| Date | Value |
|---|---|
| Jun 30, 2026 | 82.43 |
| May 31, 2026 | 81.70 |
| Apr 30, 2026 | 81.76 |
| Mar 31, 2026 | 82.00 |
| Feb 28, 2026 | 82.57 |
| Jan 31, 2026 | 82.67 |
| Dec 31, 2025 | 82.06 |
| Nov 30, 2025 | 81.89 |
| Oct 31, 2025 | 81.65 |
| Sep 30, 2025 | 81.41 |
| Aug 31, 2025 | 81.23 |
| Jul 31, 2025 | 81.07 |
| Jun 30, 2025 | 80.80 |
| May 31, 2025 | 80.65 |
| Apr 30, 2025 | 80.40 |
| Mar 31, 2025 | 80.23 |
| Feb 28, 2025 | 79.94 |
| Jan 31, 2025 | 79.84 |
| Dec 31, 2024 | 79.89 |
| Nov 30, 2024 | 79.41 |
| Oct 31, 2024 | 78.86 |
| Sep 30, 2024 | 78.44 |
| Aug 31, 2024 | 78.06 |
| Jul 31, 2024 | 77.61 |
| Jun 30, 2024 | 77.19 |
| May 31, 2024 | 76.81 |
| Apr 30, 2024 | 76.52 |
| Mar 31, 2024 | 76.40 |
| Feb 29, 2024 | 76.71 |
| Jan 31, 2024 | 77.00 |
| Dec 31, 2023 | 77.22 |
| Nov 30, 2023 | 76.78 |
| Oct 31, 2023 | 76.27 |
| Sep 30, 2023 | 75.88 |
| Aug 31, 2023 | 75.85 |
| Jul 31, 2023 | 75.96 |
| Jun 30, 2023 | 75.88 |
| May 31, 2023 | 75.94 |
| Apr 30, 2023 | 75.95 |
| Mar 31, 2023 | 76.14 |
| Feb 28, 2023 | 75.92 |
| Jan 31, 2023 | 75.86 |
| Dec 31, 2022 | 75.97 |
| Nov 30, 2022 | 75.14 |
| Oct 31, 2022 | 74.46 |
| Sep 30, 2022 | 74.15 |
| Aug 31, 2022 | 73.82 |
| Jul 31, 2022 | 73.30 |
| Jun 30, 2022 | 72.80 |
| May 31, 2022 | 73.01 |
| Apr 30, 2022 | 73.02 |
| Mar 31, 2022 | 72.63 |
| Feb 28, 2022 | 72.97 |
| Jan 31, 2022 | 73.01 |
| Dec 31, 2021 | 72.99 |
| Nov 30, 2021 | 72.75 |
| Oct 31, 2021 | 72.65 |
| Sep 30, 2021 | 72.78 |
| Aug 31, 2021 | 72.41 |
| Jul 31, 2021 | 71.99 |
| Jun 30, 2021 | 71.76 |
| May 31, 2021 | 72.33 |
| Apr 30, 2021 | 72.81 |
| Mar 31, 2021 | 73.31 |
| Feb 28, 2021 | 74.11 |
| Jan 31, 2021 | 74.79 |
| Dec 31, 2020 | 75.39 |
| Nov 30, 2020 | 75.71 |
| Oct 31, 2020 | 75.91 |
| Sep 30, 2020 | 76.18 |
| Aug 31, 2020 | 76.65 |
| Jul 31, 2020 | 77.25 |
| Jun 30, 2020 | 78.01 |
| May 31, 2020 | 78.39 |
| Apr 30, 2020 | 78.34 |
| Mar 31, 2020 | 77.78 |
| Feb 29, 2020 | 77.02 |
| Jan 31, 2020 | 76.65 |
| Dec 31, 2019 | 76.36 |
| Nov 30, 2019 | 75.85 |
| Oct 31, 2019 | 75.36 |
| Sep 30, 2019 | 75.09 |
| Aug 31, 2019 | 74.65 |
| Jul 31, 2019 | 74.14 |
| Jun 30, 2019 | 73.77 |
| May 31, 2019 | 73.28 |
| Apr 30, 2019 | 72.94 |
| Mar 31, 2019 | 72.82 |
| Feb 28, 2019 | 72.70 |
| Jan 31, 2019 | 72.48 |
| Dec 31, 2018 | 72.08 |
| Nov 30, 2018 | 71.23 |
| Oct 31, 2018 | 70.36 |
| Sep 30, 2018 | 69.86 |
| Aug 31, 2018 | 69.34 |
| Jul 31, 2018 | 68.78 |
| Jun 30, 2018 | 68.18 |
| May 31, 2018 | 67.85 |
| Apr 30, 2018 | 67.69 |
| Mar 31, 2018 | 67.51 |
| Feb 28, 2018 | 67.18 |
| Jan 31, 2018 | 67.00 |
| Dec 31, 2017 | 66.88 |
| Nov 30, 2017 | 66.49 |
| Oct 31, 2017 | 66.15 |
| Sep 30, 2017 | 65.76 |
| Aug 31, 2017 | 65.67 |
| Jul 31, 2017 | 65.43 |
| Jun 30, 2017 | 64.95 |
| May 31, 2017 | 64.63 |
| Apr 30, 2017 | 64.30 |
| Mar 31, 2017 | 64.10 |
| Feb 28, 2017 | 63.84 |
| Jan 31, 2017 | 63.73 |
| Dec 31, 2016 | 63.78 |
| Nov 30, 2016 | 63.49 |
| Oct 31, 2016 | 63.07 |
| Sep 30, 2016 | 62.84 |
| Aug 31, 2016 | 62.73 |
| Jul 31, 2016 | 62.52 |
| Jun 30, 2016 | 62.15 |
| May 31, 2016 | 62.09 |
| Apr 30, 2016 | 62.06 |
| Mar 31, 2016 | 62.08 |
| Feb 29, 2016 | 62.12 |
| Jan 31, 2016 | 61.94 |
| Dec 31, 2015 | 61.81 |
| Nov 30, 2015 | 61.18 |
| Oct 31, 2015 | 60.64 |
| Sep 30, 2015 | 60.20 |
| Aug 31, 2015 | 59.74 |
| Jul 31, 2015 | 59.29 |
| Jun 30, 2015 | 58.94 |
| May 31, 2015 | 58.70 |
| Apr 30, 2015 | 58.56 |
| Mar 31, 2015 | 58.23 |
| Feb 28, 2015 | 57.92 |
| Jan 31, 2015 | 57.52 |
| Dec 31, 2014 | 56.60 |
| Nov 30, 2014 | 55.83 |
| Oct 31, 2014 | 55.08 |
| Sep 30, 2014 | 54.49 |
| Aug 31, 2014 | 54.01 |
| Jul 31, 2014 | 53.39 |
| Jun 30, 2014 | 52.84 |
| May 31, 2014 | 52.40 |
| Apr 30, 2014 | 52.04 |
| Mar 31, 2014 | 51.66 |
| Feb 28, 2014 | 51.40 |
| Jan 31, 2014 | 51.00 |
| Dec 31, 2013 | 50.59 |
| Nov 30, 2013 | 50.30 |
| Oct 31, 2013 | 49.92 |
| Sep 30, 2013 | 49.51 |
| Aug 31, 2013 | 49.02 |
| Jul 31, 2013 | 48.53 |
| Jun 30, 2013 | 48.00 |
| May 31, 2013 | 47.56 |
| Apr 30, 2013 | 47.09 |
| Mar 31, 2013 | 46.48 |
| Feb 28, 2013 | 46.19 |
| Jan 31, 2013 | 46.14 |
| Dec 31, 2012 | 45.85 |
| Nov 30, 2012 | 44.92 |
| Oct 31, 2012 | 43.91 |
| Sep 30, 2012 | 43.08 |
| Aug 31, 2012 | 42.66 |
| Jul 31, 2012 | 42.27 |
| Jun 30, 2012 | 41.58 |
| May 31, 2012 | 41.05 |
| Apr 30, 2012 | 40.53 |
| Mar 31, 2012 | 40.18 |
| Feb 29, 2012 | 40.02 |
| Jan 31, 2012 | 39.74 |
| Dec 31, 2011 | 39.45 |
| Nov 30, 2011 | 38.74 |
| Oct 31, 2011 | 38.09 |
| Sep 30, 2011 | 37.39 |
| Aug 31, 2011 | 37.04 |
| Jul 31, 2011 | 36.72 |
| Jun 30, 2011 | 36.33 |
| May 31, 2011 | 35.84 |
| Apr 30, 2011 | 35.56 |
| Mar 31, 2011 | 35.33 |
| Feb 28, 2011 | 35.32 |
| Jan 31, 2011 | 35.13 |
| Dec 31, 2010 | 34.94 |
| Nov 30, 2010 | 34.81 |
| Oct 31, 2010 | 34.63 |
| Sep 30, 2010 | 34.48 |
| Aug 31, 2010 | 34.34 |
| Jul 31, 2010 | 34.22 |
| Jun 30, 2010 | 34.07 |
| May 31, 2010 | 33.96 |
| Apr 30, 2010 | 33.92 |
| Mar 31, 2010 | 33.91 |
| Feb 28, 2010 | 34.31 |
| Jan 31, 2010 | 34.58 |
| Dec 31, 2009 | 34.96 |
| Nov 30, 2009 | 35.67 |
| Oct 31, 2009 | 36.48 |
| Sep 30, 2009 | 37.29 |
| Aug 31, 2009 | 38.19 |
| Jul 31, 2009 | 39.16 |
| Jun 30, 2009 | 39.98 |
| May 31, 2009 | 41.20 |
| Apr 30, 2009 | 42.19 |
| Mar 31, 2009 | 43.17 |
| Feb 28, 2009 | 43.88 |
| Jan 31, 2009 | 44.70 |
| Dec 31, 2008 | 45.50 |
| Nov 30, 2008 | 45.27 |
| Oct 31, 2008 | 44.65 |
| Sep 30, 2008 | 44.44 |
| Aug 31, 2008 | 44.30 |
| Jul 31, 2008 | 44.05 |
| Jun 30, 2008 | 44.21 |
| May 31, 2008 | 44.44 |
| Apr 30, 2008 | 44.60 |
| Mar 31, 2008 | 44.66 |
| Feb 29, 2008 | 44.74 |
| Jan 31, 2008 | 44.57 |
| Dec 31, 2007 | 44.49 |
| Nov 30, 2007 | 44.05 |
| Oct 31, 2007 | 43.91 |
| Sep 30, 2007 | 43.60 |
| Aug 31, 2007 | 43.28 |
| Jul 31, 2007 | 42.77 |
| Jun 30, 2007 | 42.32 |
| May 31, 2007 | 42.04 |
| Apr 30, 2007 | 41.93 |
| Mar 31, 2007 | 41.83 |
| Feb 28, 2007 | 41.87 |
| Jan 31, 2007 | 41.76 |
| Dec 31, 2006 | 41.55 |
| Nov 30, 2006 | 41.17 |
| Oct 31, 2006 | 40.67 |
| Sep 30, 2006 | 40.01 |
| Aug 31, 2006 | 39.46 |
| Jul 31, 2006 | 39.17 |
| Jun 30, 2006 | 38.92 |
| May 31, 2006 | 38.63 |
| Apr 30, 2006 | 38.46 |
| Mar 31, 2006 | 38.42 |
| Feb 28, 2006 | 38.31 |
| Jan 31, 2006 | 38.07 |
| Dec 31, 2005 | 38.04 |
| Nov 30, 2005 | 37.46 |
| Oct 31, 2005 | 36.74 |
| Sep 30, 2005 | 36.39 |
| Aug 31, 2005 | 36.52 |
| Jul 31, 2005 | 36.40 |
| Jun 30, 2005 | 36.25 |
| May 31, 2005 | 35.86 |
| Apr 30, 2005 | 35.42 |
| Mar 31, 2005 | 35.25 |
| Feb 28, 2005 | 35.07 |
| Jan 31, 2005 | 34.81 |
| Dec 31, 2004 | 34.42 |
| Nov 30, 2004 | 34.13 |
| Oct 31, 2004 | 33.99 |
| Sep 30, 2004 | 34.00 |
| Aug 31, 2004 | 33.74 |
| Jul 31, 2004 | 33.43 |
| Jun 30, 2004 | 33.04 |
| May 31, 2004 | 32.80 |
| Apr 30, 2004 | 32.65 |
| Mar 31, 2004 | 32.41 |
| Feb 29, 2004 | 32.23 |
| Jan 31, 2004 | 32.02 |
| Dec 31, 2003 | 31.78 |
| Nov 30, 2003 | 31.26 |
| Oct 31, 2003 | 30.69 |
| Sep 30, 2003 | 30.18 |
| Aug 31, 2003 | 30.02 |
| Jul 31, 2003 | 29.87 |
| Jun 30, 2003 | 29.65 |
| May 31, 2003 | 29.72 |
| Apr 30, 2003 | 29.71 |
| Mar 31, 2003 | 29.68 |
| Feb 28, 2003 | 29.76 |
| Jan 31, 2003 | 29.90 |
| Dec 31, 2002 | 29.94 |
| Nov 30, 2002 | 29.70 |
| Oct 31, 2002 | 29.53 |
| Sep 30, 2002 | 29.41 |
| Aug 31, 2002 | 29.61 |
| Jul 31, 2002 | 29.86 |
| Jun 30, 2002 | 30.04 |
| May 31, 2002 | 29.86 |
| Apr 30, 2002 | 29.67 |
| Mar 31, 2002 | 29.64 |
| Feb 28, 2002 | 29.82 |
| Jan 31, 2002 | 29.94 |
| Dec 31, 2001 | 30.01 |
| Nov 30, 2001 | 29.89 |
| Oct 31, 2001 | 29.84 |
| Sep 30, 2001 | 29.74 |
| Aug 31, 2001 | 29.84 |
| Jul 31, 2001 | 29.81 |
| Jun 30, 2001 | 29.69 |
| May 31, 2001 | 29.92 |
| Apr 30, 2001 | 30.24 |
| Mar 31, 2001 | 30.54 |
| Feb 28, 2001 | 30.80 |
| Jan 31, 2001 | 31.12 |
| Dec 31, 2000 | 31.51 |
| Nov 30, 2000 | 31.54 |
| Oct 31, 2000 | 31.61 |
| Sep 30, 2000 | 31.71 |
| Aug 31, 2000 | 32.11 |
| Jul 31, 2000 | 32.34 |
| Jun 30, 2000 | 32.65 |
| May 31, 2000 | 32.86 |
| Apr 30, 2000 | 32.93 |
| Mar 31, 2000 | 32.99 |
| Feb 29, 2000 | 33.22 |
| Jan 31, 2000 | 33.37 |
| Dec 31, 1999 | 33.42 |
| Nov 30, 1999 | 33.38 |
| Oct 31, 1999 | 33.37 |
| Sep 30, 1999 | 33.39 |
| Aug 31, 1999 | 33.43 |
| Jul 31, 1999 | 33.38 |
| Jun 30, 1999 | 33.35 |
| May 31, 1999 | 33.35 |
| Apr 30, 1999 | 33.35 |
| Mar 31, 1999 | 33.59 |
| Feb 28, 1999 | 33.52 |
| Jan 31, 1999 | 33.39 |
| Dec 31, 1998 | 33.29 |
| Nov 30, 1998 | 33.24 |
| Oct 31, 1998 | 33.20 |
| Sep 30, 1998 | 33.25 |
| Aug 31, 1998 | 33.16 |
| Jul 31, 1998 | 33.06 |
| Jun 30, 1998 | 32.97 |
| May 31, 1998 | 32.80 |
| Apr 30, 1998 | 32.64 |
| Mar 31, 1998 | 32.49 |
| Feb 28, 1998 | 32.45 |
| Jan 31, 1998 | 32.41 |
| Dec 31, 1997 | 32.37 |
| Nov 30, 1997 | 32.22 |
| Oct 31, 1997 | 32.08 |
| Sep 30, 1997 | 32.05 |
| Aug 31, 1997 | 32.01 |
| Jul 31, 1997 | 31.95 |
| Jun 30, 1997 | 31.87 |
| May 31, 1997 | 31.84 |
| Apr 30, 1997 | 31.74 |
| Mar 31, 1997 | 31.71 |
| Feb 28, 1997 | 31.68 |
| Jan 31, 1997 | 31.67 |
| Dec 31, 1996 | 31.65 |
| Nov 30, 1996 | 31.49 |
| Oct 31, 1996 | 31.38 |
| Sep 30, 1996 | 31.31 |
| Aug 31, 1996 | 31.13 |
| Jul 31, 1996 | 30.91 |
| Jun 30, 1996 | 30.69 |
| May 31, 1996 | 30.59 |
| Apr 30, 1996 | 30.53 |
| Mar 31, 1996 | 30.52 |
| Feb 29, 1996 | 30.45 |
| Jan 31, 1996 | 30.32 |
| Dec 31, 1995 | 30.27 |
| Nov 30, 1995 | 30.09 |
| Oct 31, 1995 | 29.91 |
| Sep 30, 1995 | 29.86 |
| Aug 31, 1995 | 29.76 |
| Jul 31, 1995 | 29.68 |
| Jun 30, 1995 | 29.52 |
| May 31, 1995 | 29.44 |
| Apr 30, 1995 | 29.35 |
| Mar 31, 1995 | 29.31 |
| Feb 28, 1995 | 29.41 |
| Jan 31, 1995 | 29.52 |
| Dec 31, 1994 | 29.64 |
| Nov 30, 1994 | 29.46 |
| Oct 31, 1994 | 29.31 |
| Sep 30, 1994 | 29.15 |
| Aug 31, 1994 | 29.16 |
| Jul 31, 1994 | 29.21 |
| Jun 30, 1994 | 29.22 |
| May 31, 1994 | 29.22 |
| Apr 30, 1994 | 29.14 |
| Mar 31, 1994 | 29.09 |
| Feb 28, 1994 | 29.09 |
| Jan 31, 1994 | 29.09 |
| Dec 31, 1993 | 29.07 |
| Nov 30, 1993 | 29.02 |
| Oct 31, 1993 | 29.00 |
| Sep 30, 1993 | 29.07 |
| Aug 31, 1993 | 29.13 |
| Jul 31, 1993 | 29.22 |
| Jun 30, 1993 | 29.22 |
| May 31, 1993 | 29.23 |
| Apr 30, 1993 | 29.23 |
| Mar 31, 1993 | 29.28 |
| Feb 28, 1993 | 29.31 |
| Jan 31, 1993 | 29.34 |
| Dec 31, 1992 | 29.41 |
| Nov 30, 1992 | 29.40 |
| Oct 31, 1992 | 29.44 |
| Sep 30, 1992 | 29.56 |
| Aug 31, 1992 | 29.58 |
| Jul 31, 1992 | 29.61 |
| Jun 30, 1992 | 29.61 |
| May 31, 1992 | 29.72 |
| Apr 30, 1992 | 29.76 |
| Mar 31, 1992 | 29.81 |
| Feb 29, 1992 | 29.86 |
| Jan 31, 1992 | 29.87 |
| Dec 31, 1991 | 29.82 |
| Nov 30, 1991 | 29.90 |
| Oct 31, 1991 | 30.04 |
| Sep 30, 1991 | 30.15 |
| Aug 31, 1991 | 30.17 |
| Jul 31, 1991 | 30.16 |
| Jun 30, 1991 | 30.09 |
| May 31, 1991 | 30.15 |
| Apr 30, 1991 | 30.21 |
| Mar 31, 1991 | 30.22 |
| Feb 28, 1991 | 30.25 |
| Jan 31, 1991 | 30.27 |
| Dec 31, 1990 | 30.44 |
| Nov 30, 1990 | 30.22 |
| Oct 31, 1990 | 30.08 |
| Sep 30, 1990 | 30.05 |
| Aug 31, 1990 | 30.15 |
| Jul 31, 1990 | 30.28 |
| Jun 30, 1990 | 30.25 |
| May 31, 1990 | 30.12 |
| Apr 30, 1990 | 29.89 |
| Mar 31, 1990 | 29.63 |
| Feb 28, 1990 | 29.56 |
| Jan 31, 1990 | 29.47 |
| Dec 31, 1989 | 29.54 |
| Nov 30, 1989 | 29.30 |
| Oct 31, 1989 | 29.08 |
| Sep 30, 1989 | 28.93 |
| Aug 31, 1989 | 28.70 |
| Jul 31, 1989 | 28.41 |
| Jun 30, 1989 | 28.15 |
| May 31, 1989 | 27.89 |
| Apr 30, 1989 | 27.73 |
| Mar 31, 1989 | 27.58 |
| Feb 28, 1989 | 27.50 |
| Jan 31, 1989 | 27.37 |
| Dec 31, 1988 | 27.26 |
| Nov 30, 1988 | 27.00 |
| Oct 31, 1988 | 26.77 |
| Sep 30, 1988 | 26.61 |
| Aug 31, 1988 | 26.57 |
| Jul 31, 1988 | 26.46 |
| Jun 30, 1988 | 26.36 |
| May 31, 1988 | 26.20 |
| Apr 30, 1988 | 26.02 |
| Mar 31, 1988 | 25.89 |
| Feb 29, 1988 | 25.86 |
| Jan 31, 1988 | 25.79 |
| Dec 31, 1987 | 25.72 |
| Nov 30, 1987 | 25.58 |
| Oct 31, 1987 | 25.45 |
| Sep 30, 1987 | 25.37 |
| Aug 31, 1987 | 25.37 |
| Jul 31, 1987 | 25.36 |
| Jun 30, 1987 | 25.29 |
| May 31, 1987 | 25.20 |
| Apr 30, 1987 | 25.11 |
| Mar 31, 1987 | 25.07 |
| Feb 28, 1987 | 25.12 |
| Jan 31, 1987 | 25.15 |
| Dec 31, 1986 | 25.25 |
| Nov 30, 1986 | 25.22 |
| Oct 31, 1986 | 25.19 |
| Sep 30, 1986 | 25.16 |
| Aug 31, 1986 | 25.15 |
| Jul 31, 1986 | 25.06 |
| Jun 30, 1986 | 24.92 |
| May 31, 1986 | 24.98 |
| Apr 30, 1986 | 24.97 |
| Mar 31, 1986 | 24.84 |
| Feb 28, 1986 | 24.60 |
| Jan 31, 1986 | 24.41 |
| Dec 31, 1985 | 24.35 |
| Nov 30, 1985 | 24.36 |
| Oct 31, 1985 | 24.36 |
| Sep 30, 1985 | 24.39 |
| Aug 31, 1985 | 24.36 |
| Jul 31, 1985 | 24.30 |
| Jun 30, 1985 | 24.24 |
| May 31, 1985 | 24.22 |
| Apr 30, 1985 | 24.23 |
| Mar 31, 1985 | 24.26 |
| Feb 28, 1985 | 24.21 |
| Jan 31, 1985 | 24.19 |
| Dec 31, 1984 | 24.09 |
| Nov 30, 1984 | 23.93 |
| Oct 31, 1984 | 23.77 |
| Sep 30, 1984 | 23.68 |
| Aug 31, 1984 | 23.72 |
| Jul 31, 1984 | 23.74 |
| Jun 30, 1984 | 23.75 |
| May 31, 1984 | 23.68 |
| Apr 30, 1984 | 23.61 |
| Mar 31, 1984 | 23.58 |
| Feb 29, 1984 | 23.53 |
| Jan 31, 1984 | 23.54 |
| Dec 31, 1983 | 23.58 |
| Nov 30, 1983 | 23.51 |
| Oct 31, 1983 | 23.45 |
| Sep 30, 1983 | 23.42 |
| Aug 31, 1983 | 23.47 |
| Jul 31, 1983 | 23.47 |
| Jun 30, 1983 | 23.50 |
| May 31, 1983 | 23.54 |
| Apr 30, 1983 | 23.65 |
| Mar 31, 1983 | 23.78 |
| Feb 28, 1983 | 23.74 |
| Jan 31, 1983 | 23.71 |
| Dec 31, 1982 | 23.72 |
| Nov 30, 1982 | 23.60 |
| Oct 31, 1982 | 23.53 |
| Sep 30, 1982 | 23.58 |
| Aug 31, 1982 | 23.58 |
| Jul 31, 1982 | 23.58 |
| Jun 30, 1982 | 23.66 |
| May 31, 1982 | 23.85 |
| Apr 30, 1982 | 23.97 |
| Mar 31, 1982 | 23.96 |
| Feb 28, 1982 | 23.83 |
| Jan 31, 1982 | 23.80 |
| Dec 31, 1981 | 23.77 |
| Nov 30, 1981 | 23.71 |
| Oct 31, 1981 | 23.65 |
| Sep 30, 1981 | 23.57 |
| Aug 31, 1981 | 23.64 |
| Jul 31, 1981 | 23.66 |
| Jun 30, 1981 | 23.76 |
| May 31, 1981 | 23.84 |
| Apr 30, 1981 | 23.89 |
| Mar 31, 1981 | 23.91 |
| Feb 28, 1981 | 23.92 |
| Jan 31, 1981 | 24.01 |
| Dec 31, 1980 | 24.05 |
| Nov 30, 1980 | 24.16 |
| Oct 31, 1980 | 24.24 |
| Sep 30, 1980 | 24.35 |
| Aug 31, 1980 | 24.38 |
| Jul 31, 1980 | 24.38 |
| Jun 30, 1980 | 24.20 |
| May 31, 1980 | 24.28 |
| Apr 30, 1980 | 24.32 |
| Mar 31, 1980 | 24.40 |
| Feb 29, 1980 | 24.56 |
| Jan 31, 1980 | 24.69 |
| Dec 31, 1979 | 24.82 |
| Nov 30, 1979 | 24.87 |
| Oct 31, 1979 | 24.90 |
| Sep 30, 1979 | 24.89 |
| Aug 31, 1979 | 24.90 |
| Jul 31, 1979 | 24.87 |
| Jun 30, 1979 | 24.89 |
| May 31, 1979 | 24.94 |
| Apr 30, 1979 | 25.04 |
| Mar 31, 1979 | 25.10 |
| Feb 28, 1979 | 25.14 |
| Jan 31, 1979 | 25.23 |
| Dec 31, 1978 | 25.23 |
| Nov 30, 1978 | 25.26 |
| Oct 31, 1978 | 25.29 |
| Sep 30, 1978 | 25.44 |
| Aug 31, 1978 | 25.44 |
| Jul 31, 1978 | 25.37 |
| Jun 30, 1978 | 25.37 |
| May 31, 1978 | 25.46 |
| Apr 30, 1978 | 25.50 |
| Mar 31, 1978 | 25.51 |
| Feb 28, 1978 | 25.48 |
| Jan 31, 1978 | 25.41 |
| Dec 31, 1977 | 25.34 |
| Nov 30, 1977 | 25.11 |
| Oct 31, 1977 | 24.92 |
| Sep 30, 1977 | 24.69 |
| Aug 31, 1977 | 24.52 |
| Jul 31, 1977 | 24.34 |
| Jun 30, 1977 | 24.20 |
| May 31, 1977 | 24.05 |
| Apr 30, 1977 | 23.85 |
| Mar 31, 1977 | 23.73 |
| Feb 28, 1977 | 23.62 |
| Jan 31, 1977 | 23.60 |
| Dec 31, 1976 | 23.45 |
| Nov 30, 1976 | 23.14 |
| Oct 31, 1976 | 22.79 |
| Sep 30, 1976 | 22.52 |
| Aug 31, 1976 | 22.42 |
| Jul 31, 1976 | 22.36 |
| Jun 30, 1976 | 22.30 |
| May 31, 1976 | 22.28 |
| Apr 30, 1976 | 22.30 |
| Mar 31, 1976 | 22.24 |
| Feb 29, 1976 | 22.26 |
| Jan 31, 1976 | 22.32 |
| Dec 31, 1975 | 22.34 |
| Nov 30, 1975 | 22.48 |
| Oct 31, 1975 | 22.71 |
| Sep 30, 1975 | 22.89 |
| Aug 31, 1975 | 23.02 |
| Jul 31, 1975 | 23.06 |
| Jun 30, 1975 | 23.32 |
| May 31, 1975 | 23.41 |
| Apr 30, 1975 | 23.46 |
| Mar 31, 1975 | 23.46 |
| Feb 28, 1975 | 23.40 |
| Jan 31, 1975 | 23.43 |
| Dec 31, 1974 | 23.37 |
| Nov 30, 1974 | 23.53 |
| Oct 31, 1974 | 23.69 |
| Sep 30, 1974 | 23.91 |
| Aug 31, 1974 | 23.99 |
| Jul 31, 1974 | 24.08 |
| Jun 30, 1974 | 24.07 |
| May 31, 1974 | 24.13 |
| Apr 30, 1974 | 24.29 |
| Mar 31, 1974 | 24.25 |
| Feb 28, 1974 | 24.41 |
| Jan 31, 1974 | 24.58 |
| Dec 31, 1973 | 24.65 |
| Nov 30, 1973 | 24.54 |
| Oct 31, 1973 | 24.43 |
| Sep 30, 1973 | 24.38 |
| Aug 31, 1973 | 24.31 |
| Jul 31, 1973 | 24.62 |
| Jun 30, 1973 | 24.55 |
| May 31, 1973 | 24.59 |
| Apr 30, 1973 | 24.63 |
| Mar 31, 1973 | 24.67 |
| Feb 28, 1973 | 24.85 |
| Jan 31, 1973 | 24.97 |
| Dec 31, 1972 | 24.97 |
| Nov 30, 1972 | 24.85 |
| Oct 31, 1972 | 24.72 |
| Sep 30, 1972 | 24.65 |
| Aug 31, 1972 | 24.68 |
| Jul 31, 1972 | 24.71 |
| Jun 30, 1972 | 24.81 |
| May 31, 1972 | 24.87 |
| Apr 30, 1972 | 24.93 |
| Mar 31, 1972 | 24.99 |
| Feb 29, 1972 | 25.05 |
| Jan 31, 1972 | 25.17 |
| Dec 31, 1971 | 25.17 |
| Nov 30, 1971 | 25.35 |
| Oct 31, 1971 | 25.40 |
| Sep 30, 1971 | 25.52 |
| Aug 31, 1971 | 25.55 |
| Jul 31, 1971 | 25.64 |
| Jun 30, 1971 | 25.73 |
| May 31, 1971 | 25.95 |
| Apr 30, 1971 | 26.10 |
| Mar 31, 1971 | 26.20 |
| Feb 28, 1971 | 26.35 |
| Jan 31, 1971 | 26.50 |
| Dec 31, 1970 | 26.58 |
| Nov 30, 1970 | 26.86 |
| Oct 31, 1970 | 27.14 |
| Sep 30, 1970 | 27.42 |
| Aug 31, 1970 | 27.53 |
| Jul 31, 1970 | 27.50 |
| Jun 30, 1970 | 27.62 |
| May 31, 1970 | 27.73 |
| Apr 30, 1970 | 27.77 |
| Mar 31, 1970 | 27.96 |
| Feb 28, 1970 | 28.08 |
| Jan 31, 1970 | 28.20 |
| Dec 31, 1969 | 28.24 |
| Nov 30, 1969 | 28.36 |
| Oct 31, 1969 | 28.48 |
| Sep 30, 1969 | 28.61 |
| Aug 31, 1969 | 28.62 |
| Jul 31, 1969 | 28.72 |
| Jun 30, 1969 | 28.81 |
| May 31, 1969 | 28.88 |
| Apr 30, 1969 | 28.87 |
| Mar 31, 1969 | 28.93 |
| Feb 28, 1969 | 29.08 |
| Jan 31, 1969 | 29.15 |
| Dec 31, 1968 | 29.14 |
| Nov 30, 1968 | 29.09 |
| Oct 31, 1968 | 29.05 |
| Sep 30, 1968 | 29.09 |
| Aug 31, 1968 | 29.04 |
| Jul 31, 1968 | 29.00 |
| Jun 30, 1968 | 29.03 |
| May 31, 1968 | 29.07 |
| Apr 30, 1968 | 29.03 |
| Mar 31, 1968 | 28.98 |
| Feb 29, 1968 | 28.97 |
| Jan 31, 1968 | 28.95 |
| Dec 31, 1967 | 29.02 |
| Nov 30, 1967 | 29.11 |
| Oct 31, 1967 | 29.19 |
| Sep 30, 1967 | 29.28 |
| Aug 31, 1967 | 29.30 |
| Jul 31, 1967 | 29.32 |
| Jun 30, 1967 | 29.34 |
| May 31, 1967 | 29.43 |
| Apr 30, 1967 | 29.52 |
| Mar 31, 1967 | 29.61 |
| Feb 28, 1967 | 29.60 |
| Jan 31, 1967 | 29.50 |
| Dec 31, 1966 | 29.39 |
| Nov 30, 1966 | 29.46 |
| Oct 31, 1966 | 29.53 |
| Sep 30, 1966 | 29.78 |
| Aug 31, 1966 | 29.57 |
| Jul 31, 1966 | 29.55 |
| Jun 30, 1966 | 29.43 |
| May 31, 1966 | 29.35 |
| Apr 30, 1966 | 29.17 |
| Mar 31, 1966 | 29.18 |
| Feb 28, 1966 | 29.06 |
| Jan 31, 1966 | 29.03 |
| Dec 31, 1965 | 28.82 |
| Nov 30, 1965 | 28.70 |
| Oct 31, 1965 | 28.49 |
| Sep 30, 1965 | 28.36 |
| Aug 31, 1965 | 28.18 |
| Jul 31, 1965 | 28.01 |
| Jun 30, 1965 | 27.83 |
| May 31, 1965 | 27.79 |
| Apr 30, 1965 | 27.58 |
| Mar 31, 1965 | 27.45 |
| Feb 28, 1965 | 27.36 |
| Jan 31, 1965 | 27.18 |
| Dec 31, 1964 | 27.00 |
| Nov 30, 1964 | 26.78 |
| Oct 31, 1964 | 26.65 |
| Sep 30, 1964 | 26.44 |
| Aug 31, 1964 | 26.30 |
| Jul 31, 1964 | 26.00 |
| Jun 30, 1964 | 25.87 |
| May 31, 1964 | 25.77 |
| Apr 30, 1964 | 25.59 |
| Mar 31, 1964 | 25.41 |
| Feb 29, 1964 | 25.23 |
| Jan 31, 1964 | 25.04 |
| Dec 31, 1963 | 24.86 |
| Nov 30, 1963 | 24.69 |
| Oct 31, 1963 | 24.43 |
| Sep 30, 1963 | 24.26 |
| Aug 31, 1963 | 24.22 |
| Jul 31, 1963 | 24.18 |
| Jun 30, 1963 | 24.22 |
| May 31, 1963 | 24.12 |
| Apr 30, 1963 | 23.94 |
| Mar 31, 1963 | 23.75 |
| Feb 28, 1963 | 23.76 |
| Jan 31, 1963 | 23.68 |
| Dec 31, 1962 | 23.61 |
| Nov 30, 1962 | 23.42 |
| Oct 31, 1962 | 23.24 |
| Sep 30, 1962 | 23.05 |
| Aug 31, 1962 | 23.06 |
| Jul 31, 1962 | 22.98 |
| Jun 30, 1962 | 22.98 |
| May 31, 1962 | 22.91 |
| Apr 30, 1962 | 22.83 |
| Mar 31, 1962 | 22.84 |
| Feb 28, 1962 | 22.76 |
| Jan 31, 1962 | 22.76 |
| Dec 31, 1961 | 22.69 |
| Nov 30, 1961 | 22.46 |
| Oct 31, 1961 | 22.24 |
| Sep 30, 1961 | 22.01 |
| Aug 31, 1961 | 22.01 |
| Jul 31, 1961 | 21.86 |
| Jun 30, 1961 | 21.94 |
| May 31, 1961 | 21.94 |
| Apr 30, 1961 | 21.94 |
| Mar 31, 1961 | 21.94 |
| Feb 28, 1961 | 21.97 |
| Jan 31, 1961 | 22.01 |
| Dec 31, 1960 | 22.05 |
| Nov 30, 1960 | 22.05 |
| Oct 31, 1960 | 22.05 |
| Sep 30, 1960 | 22.20 |
| Aug 31, 1960 | 22.20 |
| Jul 31, 1960 | 22.20 |
| Jun 30, 1960 | 22.20 |
| May 31, 1960 | 22.23 |
| Apr 30, 1960 | 22.20 |
| Mar 31, 1960 | 22.23 |
| Feb 29, 1960 | 21.81 |
| Jan 31, 1960 | 21.47 |
| Dec 31, 1959 | 20.97 |
| Nov 30, 1959 | 20.90 |
| Oct 31, 1959 | 20.82 |
| Sep 30, 1959 | 20.81 |
| Aug 31, 1959 | 20.81 |
| Jul 31, 1959 | 20.73 |
| Jun 30, 1959 | 20.73 |
| May 31, 1959 | 20.72 |
| Apr 30, 1959 | 20.64 |
| Mar 31, 1959 | 20.64 |
| Feb 28, 1959 | 20.56 |
| Jan 31, 1959 | 20.41 |
| Dec 31, 1958 | 20.40 |
| Nov 30, 1958 | 20.26 |
| Oct 31, 1958 | 20.25 |
| Sep 30, 1958 | 20.17 |
| Aug 31, 1958 | 20.17 |
| Jul 31, 1958 | 20.10 |
| Jun 30, 1958 | 20.17 |
| May 31, 1958 | 20.33 |
| Apr 30, 1958 | 20.48 |
| Mar 31, 1958 | 20.71 |
| Feb 28, 1958 | 20.93 |
| Jan 31, 1958 | 21.01 |
| Dec 31, 1957 | 21.24 |
| Nov 30, 1957 | 21.12 |
| Oct 31, 1957 | 21.07 |
| Sep 30, 1957 | 20.95 |
| Aug 31, 1957 | 20.84 |
| Jul 31, 1957 | 20.72 |
| Jun 30, 1957 | 20.74 |
| May 31, 1957 | 20.82 |
| Apr 30, 1957 | 20.89 |
| Mar 31, 1957 | 20.97 |
| Feb 28, 1957 | 21.08 |
| Jan 31, 1957 | 21.20 |
| Dec 31, 1956 | 21.24 |
| Nov 30, 1956 | 21.73 |
| Oct 31, 1956 | 22.14 |
| Sep 30, 1956 | 22.63 |
| Aug 31, 1956 | 22.54 |
| Jul 31, 1956 | 22.30 |
| Jun 30, 1956 | 22.30 |
| May 31, 1956 | 22.17 |
| Apr 30, 1956 | 21.96 |
| Mar 31, 1956 | 21.75 |
| Feb 29, 1956 | 21.37 |
| Jan 31, 1956 | 21.00 |
| Dec 31, 1955 | 20.62 |
| Nov 30, 1955 | 20.46 |
| Oct 31, 1955 | 20.38 |
| Sep 30, 1955 | 20.29 |
| Aug 31, 1955 | 20.16 |
| Jul 31, 1955 | 19.95 |
| Jun 30, 1955 | 19.81 |
| May 31, 1955 | 19.77 |
| Apr 30, 1955 | 19.73 |
| Mar 31, 1955 | 19.69 |
| Feb 28, 1955 | 19.60 |
| Jan 31, 1955 | 19.52 |
| Dec 31, 1954 | 19.43 |
| Nov 30, 1954 | 19.07 |
| Oct 31, 1954 | 18.77 |
| Sep 30, 1954 | 18.48 |
| Aug 31, 1954 | 18.33 |
| Jul 31, 1954 | 18.25 |
| Jun 30, 1954 | 18.16 |
| May 31, 1954 | 18.25 |
| Apr 30, 1954 | 18.40 |
| Mar 31, 1954 | 18.41 |
| Feb 28, 1954 | 18.33 |
| Jan 31, 1954 | 18.25 |
| Dec 31, 1953 | 18.16 |
| Nov 30, 1953 | 18.04 |
| Oct 31, 1953 | 17.85 |
| Sep 30, 1953 | 17.79 |
| Aug 31, 1953 | 17.79 |
| Jul 31, 1953 | 17.85 |
| Jun 30, 1953 | 17.85 |
| May 31, 1953 | 17.88 |
| Apr 30, 1953 | 17.90 |
| Mar 31, 1953 | 17.86 |
| Feb 28, 1953 | 17.93 |
| Jan 31, 1953 | 17.86 |
| Dec 31, 1952 | 17.79 |
| Nov 30, 1952 | 17.96 |
| Oct 31, 1952 | 18.13 |
| Sep 30, 1952 | 18.30 |
| Aug 31, 1952 | 18.30 |
| Jul 31, 1952 | 18.30 |
| Jun 30, 1952 | 18.44 |
| May 31, 1952 | 18.38 |
| Apr 30, 1952 | 18.25 |
| Mar 31, 1952 | 18.19 |
| Feb 29, 1952 | 18.15 |
| Jan 31, 1952 | 17.97 |
| Dec 31, 1951 | 17.93 |
| Nov 30, 1951 | 18.46 |
| Oct 31, 1951 | 19.08 |
| Sep 30, 1951 | 19.62 |
| Aug 31, 1951 | 19.95 |
| Jul 31, 1951 | 20.12 |
| Jun 30, 1951 | 20.29 |
| May 31, 1951 | 20.12 |
| Apr 30, 1951 | 20.02 |
| Mar 31, 1951 | 19.85 |
| Feb 28, 1951 | 19.71 |
| Jan 31, 1951 | 19.72 |
| Dec 31, 1950 | 19.81 |
| Nov 30, 1950 | 19.42 |
| Oct 31, 1950 | 18.86 |
| Sep 30, 1950 | 18.37 |
| Aug 31, 1950 | 17.84 |
| Jul 31, 1950 | 17.38 |
| Jun 30, 1950 | 16.99 |
| May 31, 1950 | 16.92 |
| Apr 30, 1950 | 16.85 |
| Mar 31, 1950 | 16.70 |
| Feb 28, 1950 | 16.63 |
| Jan 31, 1950 | 16.49 |
| Dec 31, 1949 | 16.28 |
| Nov 30, 1949 | 15.67 |
| Oct 31, 1949 | 15.26 |
| Sep 30, 1949 | 14.66 |
| Aug 31, 1949 | 14.63 |
| Jul 31, 1949 | 14.60 |
| Jun 30, 1949 | 14.38 |
| May 31, 1949 | 14.25 |
| Apr 30, 1949 | 14.00 |
| Mar 31, 1949 | 13.87 |
| Feb 28, 1949 | 13.64 |
| Jan 31, 1949 | 13.29 |
| Dec 31, 1948 | 13.00 |
| Nov 30, 1948 | 12.67 |
| Oct 31, 1948 | 12.29 |
| Sep 30, 1948 | 11.96 |
| Aug 31, 1948 | 11.87 |
| Jul 31, 1948 | 11.83 |
| Jun 30, 1948 | 11.88 |
| May 31, 1948 | 11.98 |
| Apr 30, 1948 | 12.03 |
| Mar 31, 1948 | 12.24 |
| Feb 29, 1948 | 12.14 |
| Jan 31, 1948 | 11.99 |
| Dec 31, 1947 | 12.10 |
| Nov 30, 1947 | 12.01 |
| Oct 31, 1947 | 11.82 |
| Sep 30, 1947 | 11.57 |
| Aug 31, 1947 | 11.68 |
| Jul 31, 1947 | 11.69 |
| Jun 30, 1947 | 11.64 |
| May 31, 1947 | 11.49 |
| Apr 30, 1947 | 11.28 |
| Mar 31, 1947 | 11.08 |
| Feb 28, 1947 | 11.23 |
| Jan 31, 1947 | 11.18 |
| Dec 31, 1946 | 11.13 |
| Nov 30, 1946 | 11.13 |
| Oct 31, 1946 | 11.29 |
| Sep 30, 1946 | 11.40 |
| Aug 31, 1946 | 11.45 |
| Jul 31, 1946 | 11.63 |
| Jun 30, 1946 | 12.25 |
| May 31, 1946 | 12.38 |
| Apr 30, 1946 | 12.45 |
| Mar 31, 1946 | 12.52 |
| Feb 28, 1946 | 12.53 |
| Jan 31, 1946 | 12.34 |
| Dec 31, 1945 | 12.22 |
| Nov 30, 1945 | 12.29 |
| Oct 31, 1945 | 12.29 |
| Sep 30, 1945 | 12.29 |
| Aug 31, 1945 | 12.22 |
| Jul 31, 1945 | 12.16 |
| Jun 30, 1945 | 12.10 |
| May 31, 1945 | 12.24 |
| Apr 30, 1945 | 12.30 |
| Mar 31, 1945 | 12.30 |
| Feb 28, 1945 | 12.24 |
| Jan 31, 1945 | 12.18 |
| Dec 31, 1944 | 12.11 |
| Nov 30, 1944 | 12.18 |
| Oct 31, 1944 | 12.18 |
| Sep 30, 1944 | 12.18 |
| Aug 31, 1944 | 12.12 |
| Jul 31, 1944 | 12.06 |
| Jun 30, 1944 | 12.06 |
| May 31, 1944 | 12.07 |
| Apr 30, 1944 | 12.00 |
| Mar 31, 1944 | 12.01 |
| Feb 29, 1944 | 11.94 |
| Jan 31, 1944 | 11.88 |
| Dec 31, 1943 | 11.81 |
| Nov 30, 1943 | 11.75 |
| Oct 31, 1943 | 11.68 |
| Sep 30, 1943 | 11.62 |
| Aug 31, 1943 | 11.62 |
| Jul 31, 1943 | 11.49 |
| Jun 30, 1943 | 11.36 |
| May 31, 1943 | 11.36 |
| Apr 30, 1943 | 11.42 |
| Mar 31, 1943 | 11.56 |
| Feb 28, 1943 | 11.76 |
| Jan 31, 1943 | 11.76 |
| Dec 31, 1942 | 11.76 |
| Nov 30, 1942 | 12.03 |
| Oct 31, 1942 | 12.31 |
| Sep 30, 1942 | 12.66 |
| Aug 31, 1942 | 12.93 |
| Jul 31, 1942 | 13.29 |
| Jun 30, 1942 | 13.64 |
| May 31, 1942 | 13.85 |
| Apr 30, 1942 | 14.23 |
| Mar 31, 1942 | 14.53 |
| Feb 28, 1942 | 14.86 |
| Jan 31, 1942 | 15.09 |
| Dec 31, 1941 | 15.43 |
| Nov 30, 1941 | 15.46 |
| Oct 31, 1941 | 15.49 |
| Sep 30, 1941 | 15.62 |
| Aug 31, 1941 | 15.75 |
| Jul 31, 1941 | 15.89 |
| Jun 30, 1941 | 15.82 |
| May 31, 1941 | 16.07 |
| Apr 30, 1941 | 16.10 |
| Mar 31, 1941 | 16.14 |
| Feb 28, 1941 | 16.17 |
| Jan 31, 1941 | 16.09 |
| Dec 31, 1940 | 16.01 |
| Nov 30, 1940 | 16.12 |
| Oct 31, 1940 | 16.12 |
| Sep 30, 1940 | 16.12 |
| Aug 31, 1940 | 15.96 |
| Jul 31, 1940 | 15.80 |
| Jun 30, 1940 | 15.53 |
| May 31, 1940 | 15.48 |
| Apr 30, 1940 | 15.32 |
| Mar 31, 1940 | 15.16 |
| Feb 29, 1940 | 15.08 |
| Jan 31, 1940 | 15.11 |
| Dec 31, 1939 | 14.92 |
| Nov 30, 1939 | 14.44 |
| Oct 31, 1939 | 13.96 |
| Sep 30, 1939 | 13.38 |
| Aug 31, 1939 | 13.43 |
| Jul 31, 1939 | 13.18 |
| Jun 30, 1939 | 12.94 |
| May 31, 1939 | 12.86 |
| Apr 30, 1939 | 12.78 |
| Mar 31, 1939 | 12.60 |
| Feb 28, 1939 | 12.52 |
| Jan 31, 1939 | 12.35 |
| Dec 31, 1938 | 12.27 |
| Nov 30, 1938 | 13.48 |
| Oct 31, 1938 | 14.68 |
| Sep 30, 1938 | 15.77 |
| Aug 31, 1938 | 16.41 |
| Jul 31, 1938 | 17.05 |
| Jun 30, 1938 | 17.68 |
| May 31, 1938 | 18.00 |
| Apr 30, 1938 | 18.19 |
| Mar 31, 1938 | 18.64 |
| Feb 28, 1938 | 18.80 |
| Jan 31, 1938 | 18.82 |
| Dec 31, 1937 | 18.72 |
| Nov 30, 1937 | 18.36 |
| Oct 31, 1937 | 18.00 |
| Sep 30, 1937 | 17.77 |
| Aug 31, 1937 | 18.43 |
| Jul 31, 1937 | 18.98 |
| Jun 30, 1937 | 19.65 |
| May 31, 1937 | 18.95 |
| Apr 30, 1937 | 18.38 |
| Mar 31, 1937 | 17.80 |
| Feb 28, 1937 | 17.68 |
| Jan 31, 1937 | 17.44 |
| Dec 31, 1936 | 17.33 |
| Nov 30, 1936 | 16.45 |
| Oct 31, 1936 | 15.56 |
| Sep 30, 1936 | 14.68 |
| Aug 31, 1936 | 14.20 |
| Jul 31, 1936 | 13.82 |
| Jun 30, 1936 | 13.43 |
| May 31, 1936 | 13.12 |
| Apr 30, 1936 | 12.71 |
| Mar 31, 1936 | 12.30 |
| Feb 29, 1936 | 11.96 |
| Jan 31, 1936 | 11.72 |
| Dec 31, 1935 | 11.48 |
| Nov 30, 1935 | 11.23 |
| Oct 31, 1935 | 11.07 |
| Sep 30, 1935 | 10.82 |
| Aug 31, 1935 | 10.82 |
| Jul 31, 1935 | 10.82 |
| Jun 30, 1935 | 10.82 |
| May 31, 1935 | 10.82 |
| Apr 30, 1935 | 10.91 |
| Mar 31, 1935 | 11.07 |
| Feb 28, 1935 | 11.07 |
| Jan 31, 1935 | 11.15 |
| Dec 31, 1934 | 11.32 |
| Nov 30, 1934 | 11.21 |
| Oct 31, 1934 | 11.19 |
| Sep 30, 1934 | 11.09 |
| Aug 31, 1934 | 11.23 |
| Jul 31, 1934 | 11.21 |
| Jun 30, 1934 | 11.19 |
| May 31, 1934 | 11.25 |
| Apr 30, 1934 | 11.23 |
| Mar 31, 1934 | 11.21 |
| Feb 28, 1934 | 11.19 |
| Jan 31, 1934 | 11.25 |
| Dec 31, 1933 | 11.23 |
| Nov 30, 1933 | 11.36 |
| Oct 31, 1933 | 11.49 |
| Sep 30, 1933 | 11.61 |
| Aug 31, 1933 | 11.74 |
| Jul 31, 1933 | 11.96 |
| Jun 30, 1933 | 12.47 |
| May 31, 1933 | 12.70 |
| Apr 30, 1933 | 12.84 |
| Mar 31, 1933 | 12.97 |
| Feb 28, 1933 | 13.00 |
| Jan 31, 1933 | 12.93 |
| Dec 31, 1932 | 12.86 |
| Nov 30, 1932 | 13.44 |
| Oct 31, 1932 | 14.02 |
| Sep 30, 1932 | 14.58 |
| Aug 31, 1932 | 15.14 |
| Jul 31, 1932 | 15.69 |
| Jun 30, 1932 | 16.35 |
| May 31, 1932 | 16.89 |
| Apr 30, 1932 | 17.29 |
| Mar 31, 1932 | 17.81 |
| Feb 29, 1932 | 18.32 |
| Jan 31, 1932 | 18.69 |
| Dec 31, 1931 | 18.92 |
| Nov 30, 1931 | 19.10 |
| Oct 31, 1931 | 19.15 |
| Sep 30, 1931 | 19.32 |
| Aug 31, 1931 | 19.49 |
| Jul 31, 1931 | 19.79 |
| Jun 30, 1931 | 20.08 |
| May 31, 1931 | 20.11 |
| Apr 30, 1931 | 20.14 |
| Mar 31, 1931 | 20.30 |
| Feb 28, 1931 | 20.46 |
| Jan 31, 1931 | 20.49 |
| Dec 31, 1930 | 20.51 |
| Nov 30, 1930 | 20.12 |
| Oct 31, 1930 | 19.98 |
| Sep 30, 1930 | 19.84 |
| Aug 31, 1930 | 19.94 |
| Jul 31, 1930 | 19.81 |
| Jun 30, 1930 | 19.55 |
| May 31, 1930 | 19.42 |
| Apr 30, 1930 | 19.29 |
| Mar 31, 1930 | 19.39 |
| Feb 28, 1930 | 19.26 |
| Jan 31, 1930 | 19.13 |
| Dec 31, 1929 | 19.00 |
| Nov 30, 1929 | 18.70 |
| Oct 31, 1929 | 18.50 |
| Sep 30, 1929 | 18.31 |
| Aug 31, 1929 | 18.11 |
| Jul 31, 1929 | 17.92 |
| Jun 30, 1929 | 17.93 |
| May 31, 1929 | 17.84 |
| Apr 30, 1929 | 17.74 |
| Mar 31, 1929 | 17.44 |
| Feb 28, 1929 | 17.14 |
| Jan 31, 1929 | 16.95 |
| Dec 31, 1928 | 16.75 |
| Nov 30, 1928 | 16.52 |
| Oct 31, 1928 | 16.39 |
| Sep 30, 1928 | 16.17 |
| Aug 31, 1928 | 16.22 |
| Jul 31, 1928 | 16.09 |
| Jun 30, 1928 | 15.96 |
| May 31, 1928 | 15.74 |
| Apr 30, 1928 | 15.70 |
| Mar 31, 1928 | 15.57 |
| Feb 29, 1928 | 15.43 |
| Jan 31, 1928 | 15.13 |
| Dec 31, 1927 | 15.00 |
| Nov 30, 1927 | 14.87 |
| Oct 31, 1927 | 14.65 |
| Sep 30, 1927 | 14.61 |
| Aug 31, 1927 | 14.56 |
| Jul 31, 1927 | 14.35 |
| Jun 30, 1927 | 13.98 |
| May 31, 1927 | 14.01 |
| Apr 30, 1927 | 13.96 |
| Mar 31, 1927 | 13.83 |
| Feb 28, 1927 | 13.62 |
| Jan 31, 1927 | 13.41 |
| Dec 31, 1926 | 13.13 |
| Nov 30, 1926 | 12.99 |
| Oct 31, 1926 | 12.92 |
| Sep 30, 1926 | 12.85 |
| Aug 31, 1926 | 12.78 |
| Jul 31, 1926 | 12.56 |
| Jun 30, 1926 | 12.28 |
| May 31, 1926 | 12.07 |
| Apr 30, 1926 | 11.86 |
| Mar 31, 1926 | 11.78 |
| Feb 28, 1926 | 11.58 |
| Jan 31, 1926 | 11.44 |
| Dec 31, 1925 | 11.29 |
| Nov 30, 1925 | 11.15 |
| Oct 31, 1925 | 11.26 |
| Sep 30, 1925 | 11.18 |
| Aug 31, 1925 | 11.10 |
| Jul 31, 1925 | 11.03 |
| Jun 30, 1925 | 11.07 |
| May 31, 1925 | 11.12 |
| Apr 30, 1925 | 11.10 |
| Mar 31, 1925 | 10.96 |
| Feb 28, 1925 | 10.94 |
| Jan 31, 1925 | 10.79 |
| Dec 31, 1924 | 10.71 |
| Nov 30, 1924 | 10.74 |
| Oct 31, 1924 | 10.71 |
| Sep 30, 1924 | 10.74 |
| Aug 31, 1924 | 10.77 |
| Jul 31, 1924 | 10.67 |
| Jun 30, 1924 | 10.70 |
| May 31, 1924 | 10.67 |
| Apr 30, 1924 | 10.64 |
| Mar 31, 1924 | 10.54 |
| Feb 29, 1924 | 10.45 |
| Jan 31, 1924 | 10.36 |
| Dec 31, 1923 | 10.32 |
| Nov 30, 1923 | 10.29 |
| Oct 31, 1923 | 10.26 |
| Sep 30, 1923 | 10.28 |
| Aug 31, 1923 | 10.31 |
| Jul 31, 1923 | 10.22 |
| Jun 30, 1923 | 10.31 |
| May 31, 1923 | 10.33 |
| Apr 30, 1923 | 10.30 |
| Mar 31, 1923 | 10.33 |
| Feb 28, 1923 | 10.29 |
| Jan 31, 1923 | 10.26 |
| Dec 31, 1922 | 10.17 |
| Nov 30, 1922 | 10.14 |
| Oct 31, 1922 | 10.12 |
| Sep 30, 1922 | 10.10 |
| Aug 31, 1922 | 10.01 |
| Jul 31, 1922 | 9.81 |
| Jun 30, 1922 | 9.79 |
| May 31, 1922 | 9.70 |
| Apr 30, 1922 | 9.62 |
| Mar 31, 1922 | 9.53 |
| Feb 28, 1922 | 9.34 |
| Jan 31, 1922 | 9.25 |
| Dec 31, 1921 | 8.96 |
| Nov 30, 1921 | 8.99 |
| Oct 31, 1921 | 9.02 |
| Sep 30, 1921 | 9.10 |
| Aug 31, 1921 | 9.07 |
| Jul 31, 1921 | 9.15 |
| Jun 30, 1921 | 9.28 |
| May 31, 1921 | 9.31 |
| Apr 30, 1921 | 9.18 |
| Mar 31, 1921 | 9.16 |
| Feb 28, 1921 | 9.19 |
| Jan 31, 1921 | 8.97 |
| Dec 31, 1920 | 8.86 |
| Nov 30, 1920 | 8.71 |
| Oct 31, 1920 | 8.69 |
| Sep 30, 1920 | 8.68 |
| Aug 31, 1920 | 8.58 |
| Jul 31, 1920 | 8.40 |
| Jun 30, 1920 | 8.38 |
| May 31, 1920 | 8.53 |
| Apr 30, 1920 | 8.69 |
| Mar 31, 1920 | 8.98 |
| Feb 29, 1920 | 9.10 |
| Jan 31, 1920 | 9.22 |
| Dec 31, 1919 | 9.45 |
| Nov 30, 1919 | 9.71 |
| Oct 31, 1919 | 9.99 |
| Sep 30, 1919 | 10.22 |
| Aug 31, 1919 | 10.34 |
| Jul 31, 1919 | 10.59 |
| Jun 30, 1919 | 10.97 |
| May 31, 1919 | 11.03 |
| Apr 30, 1919 | 11.23 |
| Mar 31, 1919 | 11.51 |
| Feb 28, 1919 | 11.72 |
| Jan 31, 1919 | 11.57 |
| Dec 31, 1918 | 11.64 |
| Nov 30, 1918 | 11.99 |
| Oct 31, 1918 | 12.42 |
| Sep 30, 1918 | 12.88 |
| Aug 31, 1918 | 13.35 |
| Jul 31, 1918 | 13.83 |
| Jun 30, 1918 | 14.44 |
| May 31, 1918 | 14.87 |
| Apr 30, 1918 | 15.42 |
| Mar 31, 1918 | 15.88 |
| Feb 28, 1918 | 16.01 |
| Jan 31, 1918 | 16.37 |
| Dec 31, 1917 | 16.97 |
| Nov 30, 1917 | 16.95 |
| Oct 31, 1917 | 16.68 |
| Sep 30, 1917 | 16.66 |
| Aug 31, 1917 | 16.76 |
| Jul 31, 1917 | 16.74 |
| Jun 30, 1917 | 16.20 |
| May 31, 1917 | 16.17 |
| Apr 30, 1917 | 16.13 |
| Mar 31, 1917 | 16.64 |
| Feb 28, 1917 | 16.33 |
| Jan 31, 1917 | 16.44 |
| Dec 31, 1916 | 16.27 |
| Nov 30, 1916 | 16.09 |
| Oct 31, 1916 | 16.05 |
| Sep 30, 1916 | 16.01 |
| Aug 31, 1916 | 15.97 |
| Jul 31, 1916 | 15.78 |
| Jun 30, 1916 | 15.44 |
| May 31, 1916 | 15.25 |
| Apr 30, 1916 | 15.04 |
| Mar 31, 1916 | 14.84 |
| Feb 29, 1916 | 14.63 |
| Jan 31, 1916 | 14.28 |
| Dec 31, 1915 | 14.07 |
| Nov 30, 1915 | 14.04 |
| Oct 31, 1915 | 14.15 |
| Sep 30, 1915 | 14.26 |
| Aug 31, 1915 | 14.23 |
| Jul 31, 1915 | 14.20 |
| Jun 30, 1915 | 14.18 |
| May 31, 1915 | 14.15 |
| Apr 30, 1915 | 14.26 |
| Mar 31, 1915 | 14.38 |
| Feb 28, 1915 | 14.21 |
| Jan 31, 1915 | 14.04 |
| Dec 31, 1914 | 14.01 |
| Nov 30, 1914 | 14.04 |
| Oct 31, 1914 | 14.34 |
| Sep 30, 1914 | 14.37 |
| Aug 31, 1914 | 14.53 |
| Jul 31, 1914 | 14.99 |
| Jun 30, 1914 | 15.32 |
| May 31, 1914 | 15.49 |
| Apr 30, 1914 | 15.82 |
| Mar 31, 1914 | 15.83 |
| Feb 28, 1914 | 16.00 |
| Jan 31, 1914 | 16.00 |
| Dec 31, 1913 | 16.17 |
| Nov 30, 1913 | 16.01 |
| Oct 31, 1913 | 16.17 |
| Sep 30, 1913 | 16.17 |
| Aug 31, 1913 | 16.34 |
| Jul 31, 1913 | 16.34 |
| Jun 30, 1913 | 16.50 |
| May 31, 1913 | 16.67 |
| Apr 30, 1913 | 16.50 |
| Mar 31, 1913 | 16.50 |
| Feb 28, 1913 | 16.50 |
| Jan 31, 1913 | 16.50 |
| Dec 31, 1912 | 16.67 |
| Nov 30, 1912 | 16.48 |
| Oct 31, 1912 | 16.44 |
| Sep 30, 1912 | 16.42 |
| Aug 31, 1912 | 16.56 |
| Jul 31, 1912 | 16.68 |
| Jun 30, 1912 | 16.65 |
| May 31, 1912 | 16.47 |
| Apr 30, 1912 | 16.44 |
| Mar 31, 1912 | 16.90 |
| Feb 29, 1912 | 17.22 |
| Jan 31, 1912 | 17.37 |
| Dec 31, 1911 | 17.52 |
| Nov 30, 1911 | 17.35 |
| Oct 31, 1911 | 17.16 |
| Sep 30, 1911 | 17.16 |
| Aug 31, 1911 | 17.35 |
| Jul 31, 1911 | 17.89 |
| Jun 30, 1911 | 18.10 |
| May 31, 1911 | 18.10 |
| Apr 30, 1911 | 18.10 |
| Mar 31, 1911 | 17.52 |
| Feb 28, 1911 | 17.71 |
| Jan 31, 1911 | 17.16 |
| Dec 31, 1910 | 17.16 |
| Nov 30, 1910 | 17.07 |
| Oct 31, 1910 | 16.63 |
| Sep 30, 1910 | 16.07 |
| Aug 31, 1910 | 15.82 |
| Jul 31, 1910 | 15.57 |
| Jun 30, 1910 | 15.49 |
| May 31, 1910 | 15.26 |
| Apr 30, 1910 | 14.89 |
| Mar 31, 1910 | 14.94 |
| Feb 28, 1910 | 15.15 |
| Jan 31, 1910 | 15.06 |
| Dec 31, 1909 | 14.84 |
| Nov 30, 1909 | 14.86 |
| Oct 31, 1909 | 14.90 |
| Sep 30, 1909 | 15.08 |
| Aug 31, 1909 | 15.12 |
| Jul 31, 1909 | 15.14 |
| Jun 30, 1909 | 15.02 |
| May 31, 1909 | 15.06 |
| Apr 30, 1909 | 15.09 |
| Mar 31, 1909 | 15.28 |
| Feb 28, 1909 | 15.16 |
| Jan 31, 1909 | 15.20 |
| Dec 31, 1908 | 14.91 |
| Nov 30, 1908 | 15.20 |
| Oct 31, 1908 | 15.48 |
| Sep 30, 1908 | 15.79 |
| Aug 31, 1908 | 15.92 |
| Jul 31, 1908 | 16.05 |
| Jun 30, 1908 | 16.34 |
| May 31, 1908 | 16.47 |
| Apr 30, 1908 | 16.60 |
| Mar 31, 1908 | 16.93 |
| Feb 29, 1908 | 17.06 |
| Jan 31, 1908 | 16.99 |
| Dec 31, 1907 | 16.94 |
| Nov 30, 1907 | 16.46 |
| Oct 31, 1907 | 15.66 |
| Sep 30, 1907 | 15.70 |
| Aug 31, 1907 | 15.58 |
| Jul 31, 1907 | 15.45 |
| Jun 30, 1907 | 15.33 |
| May 31, 1907 | 15.38 |
| Apr 30, 1907 | 15.58 |
| Mar 31, 1907 | 15.45 |
| Feb 28, 1907 | 15.16 |
| Jan 31, 1907 | 15.35 |
| Dec 31, 1906 | 15.08 |
| Nov 30, 1906 | 15.01 |
| Oct 31, 1906 | 14.95 |
| Sep 30, 1906 | 15.06 |
| Aug 31, 1906 | 14.99 |
| Jul 31, 1906 | 15.09 |
| Jun 30, 1906 | 14.37 |
| May 31, 1906 | 14.14 |
| Apr 30, 1906 | 14.05 |
| Mar 31, 1906 | 13.82 |
| Feb 28, 1906 | 13.59 |
| Jan 31, 1906 | 13.36 |
| Dec 31, 1905 | 13.13 |
| Nov 30, 1905 | 13.22 |
| Oct 31, 1905 | 13.29 |
| Sep 30, 1905 | 13.23 |
| Aug 31, 1905 | 13.01 |
| Jul 31, 1905 | 13.09 |
| Jun 30, 1905 | 13.02 |
| May 31, 1905 | 12.95 |
| Apr 30, 1905 | 12.75 |
| Mar 31, 1905 | 12.68 |
| Feb 28, 1905 | 12.46 |
| Jan 31, 1905 | 12.40 |
| Dec 31, 1904 | 12.33 |
| Nov 30, 1904 | 12.46 |
| Oct 31, 1904 | 12.89 |
| Sep 30, 1904 | 13.02 |
| Aug 31, 1904 | 13.32 |
| Jul 31, 1904 | 13.61 |
| Jun 30, 1904 | 13.74 |
| May 31, 1904 | 13.88 |
| Apr 30, 1904 | 13.70 |
| Mar 31, 1904 | 13.69 |
| Feb 29, 1904 | 13.66 |
| Jan 31, 1904 | 14.11 |
| Dec 31, 1903 | 14.58 |
| Nov 30, 1903 | 14.51 |
| Oct 31, 1903 | 14.28 |
| Sep 30, 1903 | 14.04 |
| Aug 31, 1903 | 14.14 |
| Jul 31, 1903 | 14.07 |
| Jun 30, 1903 | 14.00 |
| May 31, 1903 | 13.93 |
| Apr 30, 1903 | 13.55 |
| Mar 31, 1903 | 13.49 |
| Feb 28, 1903 | 12.97 |
| Jan 31, 1903 | 12.91 |
| Dec 31, 1902 | 12.99 |
| Nov 30, 1902 | 13.10 |
| Oct 31, 1902 | 12.64 |
| Sep 30, 1902 | 13.49 |
| Aug 31, 1902 | 13.61 |
| Jul 31, 1902 | 13.42 |
| Jun 30, 1902 | 13.39 |
| May 31, 1902 | 13.50 |
| Apr 30, 1902 | 13.63 |
| Mar 31, 1902 | 13.75 |
| Feb 28, 1902 | 13.72 |
| Jan 31, 1902 | 13.68 |
| Dec 31, 1901 | 13.49 |
| Nov 30, 1901 | 13.58 |
| Oct 31, 1901 | 13.68 |
| Sep 30, 1901 | 13.61 |
| Aug 31, 1901 | 13.69 |
| Jul 31, 1901 | 13.80 |
| Jun 30, 1901 | 13.89 |
| May 31, 1901 | 13.81 |
| Apr 30, 1901 | 13.74 |
| Mar 31, 1901 | 13.50 |
| Feb 28, 1901 | 13.43 |
| Jan 31, 1901 | 13.18 |
| Dec 31, 1900 | 13.28 |
| Nov 30, 1900 | 12.78 |
| Oct 31, 1900 | 12.45 |
| Sep 30, 1900 | 11.99 |
| Aug 31, 1900 | 11.80 |
| Jul 31, 1900 | 11.34 |
| Jun 30, 1900 | 11.14 |
| May 31, 1900 | 10.69 |
| Apr 30, 1900 | 10.12 |
| Mar 31, 1900 | 9.80 |
| Feb 28, 1900 | 9.49 |
| Jan 31, 1900 | 9.28 |
| Dec 31, 1899 | 8.96 |
| Nov 30, 1899 | 9.04 |
| Oct 31, 1899 | 9.10 |
| Sep 30, 1899 | 9.19 |
| Aug 31, 1899 | 9.50 |
| Jul 31, 1899 | 9.59 |
| Jun 30, 1899 | 9.67 |
| May 31, 1899 | 9.77 |
| Apr 30, 1899 | 9.73 |
| Mar 31, 1899 | 9.82 |
| Feb 28, 1899 | 9.78 |
| Jan 31, 1899 | 10.01 |
| Dec 31, 1898 | 9.97 |
| Nov 30, 1898 | 10.03 |
| Oct 31, 1898 | 9.95 |
| Sep 30, 1898 | 9.87 |
| Aug 31, 1898 | 9.78 |
| Jul 31, 1898 | 9.70 |
| Jun 30, 1898 | 9.47 |
| May 31, 1898 | 8.78 |
| Apr 30, 1898 | 9.31 |
| Mar 31, 1898 | 9.22 |
| Feb 28, 1898 | 9.14 |
| Jan 31, 1898 | 9.19 |
| Dec 31, 1897 | 9.11 |
| Nov 30, 1897 | 9.11 |
| Oct 31, 1897 | 9.11 |
| Sep 30, 1897 | 8.97 |
| Aug 31, 1897 | 9.23 |
| Jul 31, 1897 | 9.66 |
| Jun 30, 1897 | 9.66 |
| May 31, 1897 | 9.66 |
| Apr 30, 1897 | 9.52 |
| Mar 31, 1897 | 9.37 |
| Feb 28, 1897 | 9.37 |
| Jan 31, 1897 | 9.37 |
| Dec 31, 1896 | 9.11 |
| Nov 30, 1896 | 9.15 |
| Oct 31, 1896 | 9.46 |
| Sep 30, 1896 | 9.79 |
| Aug 31, 1896 | 9.83 |
| Jul 31, 1896 | 9.88 |
| Jun 30, 1896 | 9.93 |
| May 31, 1896 | 9.83 |
| Apr 30, 1896 | 9.72 |
| Mar 31, 1896 | 9.62 |
| Feb 29, 1896 | 9.66 |
| Jan 31, 1896 | 9.57 |
| Dec 31, 1895 | 9.47 |
| Nov 30, 1895 | 9.43 |
| Oct 31, 1895 | 9.51 |
| Sep 30, 1895 | 9.59 |
| Aug 31, 1895 | 9.68 |
| Jul 31, 1895 | 9.61 |
| Jun 30, 1895 | 9.57 |
| May 31, 1895 | 9.78 |
| Apr 30, 1895 | 10.00 |
| Mar 31, 1895 | 10.51 |
| Feb 28, 1895 | 10.60 |
| Jan 31, 1895 | 10.68 |
| Dec 31, 1894 | 10.77 |
| Nov 30, 1894 | 10.79 |
| Oct 31, 1894 | 10.96 |
| Sep 30, 1894 | 10.82 |
| Aug 31, 1894 | 11.13 |
| Jul 31, 1894 | 11.63 |
| Jun 30, 1894 | 11.80 |
| May 31, 1894 | 11.96 |
| Apr 30, 1894 | 12.14 |
| Mar 31, 1894 | 12.31 |
| Feb 28, 1894 | 12.13 |
| Jan 31, 1894 | 12.13 |
| Dec 31, 1893 | 11.97 |
| Nov 30, 1893 | 11.76 |
| Oct 31, 1893 | 11.41 |
| Sep 30, 1893 | 11.53 |
| Aug 31, 1893 | 11.96 |
| Jul 31, 1893 | 11.46 |
| Jun 30, 1893 | 11.13 |
| May 31, 1893 | 10.81 |
| Apr 30, 1893 | 10.63 |
| Mar 31, 1893 | 10.48 |
| Feb 28, 1893 | 10.19 |
| Jan 31, 1893 | 10.27 |
| Dec 31, 1892 | 10.63 |
| Nov 30, 1892 | 10.68 |
| Oct 31, 1892 | 10.88 |
| Sep 30, 1892 | 10.80 |
| Aug 31, 1892 | 10.72 |
| Jul 31, 1892 | 10.80 |
| Jun 30, 1892 | 11.01 |
| May 31, 1892 | 10.93 |
| Apr 30, 1892 | 10.85 |
| Mar 31, 1892 | 10.62 |
| Feb 29, 1892 | 10.26 |
| Jan 31, 1892 | 10.19 |
| Dec 31, 1891 | 9.86 |
| Nov 30, 1891 | 9.86 |
| Oct 31, 1891 | 9.74 |
| Sep 30, 1891 | 9.74 |
| Aug 31, 1891 | 9.61 |
| Jul 31, 1891 | 9.61 |
| Jun 30, 1891 | 9.50 |
| May 31, 1891 | 9.28 |
| Apr 30, 1891 | 9.16 |
| Mar 31, 1891 | 9.28 |
| Feb 28, 1891 | 9.38 |
| Jan 31, 1891 | 9.50 |
| Dec 31, 1890 | 9.38 |
| Nov 30, 1890 | 9.38 |
| Oct 31, 1890 | 9.16 |
| Sep 30, 1890 | 9.16 |
| Aug 31, 1890 | 9.28 |
| Jul 31, 1890 | 9.61 |
| Jun 30, 1890 | 9.61 |
| May 31, 1890 | 9.61 |
| Apr 30, 1890 | 9.74 |
| Mar 31, 1890 | 9.74 |
| Feb 28, 1890 | 9.74 |
| Jan 31, 1890 | 9.74 |
| Dec 31, 1889 | 9.50 |
| Nov 30, 1889 | 9.65 |
| Oct 31, 1889 | 9.69 |
| Sep 30, 1889 | 9.72 |
| Aug 31, 1889 | 9.89 |
| Jul 31, 1889 | 9.93 |
| Jun 30, 1889 | 9.96 |
| May 31, 1889 | 10.00 |
| Apr 30, 1889 | 9.79 |
| Mar 31, 1889 | 9.83 |
| Feb 28, 1889 | 9.74 |
| Jan 31, 1889 | 9.67 |
| Dec 31, 1888 | 9.36 |
| Nov 30, 1888 | 9.43 |
| Oct 31, 1888 | 9.61 |
| Sep 30, 1888 | 9.79 |
| Aug 31, 1888 | 9.86 |
| Jul 31, 1888 | 9.92 |
| Jun 30, 1888 | 10.12 |
| May 31, 1888 | 10.07 |
| Apr 30, 1888 | 10.02 |
| Mar 31, 1888 | 9.97 |
| Feb 29, 1888 | 10.04 |
| Jan 31, 1888 | 10.00 |
| Dec 31, 1887 | 10.17 |
| Nov 30, 1887 | 10.31 |
| Oct 31, 1887 | 10.33 |
| Sep 30, 1887 | 10.34 |
| Aug 31, 1887 | 10.12 |
| Jul 31, 1887 | 10.13 |
| Jun 30, 1887 | 9.91 |
| May 31, 1887 | 9.68 |
| Apr 30, 1887 | 9.58 |
| Mar 31, 1887 | 9.48 |
| Feb 28, 1887 | 9.37 |
| Jan 31, 1887 | 9.38 |
| Dec 31, 1886 | 9.50 |
| Nov 30, 1886 | 9.69 |
| Oct 31, 1886 | 9.76 |
| Sep 30, 1886 | 9.83 |
| Aug 31, 1886 | 9.91 |
| Jul 31, 1886 | 10.11 |
| Jun 30, 1886 | 10.31 |
| May 31, 1886 | 10.26 |
| Apr 30, 1886 | 10.08 |
| Mar 31, 1886 | 10.02 |
| Feb 28, 1886 | 9.98 |
| Jan 31, 1886 | 10.05 |
| Dec 31, 1885 | 9.89 |
| Nov 30, 1885 | 10.37 |
| Oct 31, 1885 | 10.74 |
| Sep 30, 1885 | 10.98 |
| Aug 31, 1885 | 11.10 |
| Jul 31, 1885 | 11.35 |
| Jun 30, 1885 | 11.73 |
| May 31, 1885 | 11.70 |
| Apr 30, 1885 | 11.67 |
| Mar 31, 1885 | 12.05 |
| Feb 28, 1885 | 12.01 |
| Jan 31, 1885 | 12.38 |
| Dec 31, 1884 | 12.61 |
| Nov 30, 1884 | 12.55 |
| Oct 31, 1884 | 12.33 |
| Sep 30, 1884 | 12.26 |
| Aug 31, 1884 | 12.20 |
| Jul 31, 1884 | 12.26 |
| Jun 30, 1884 | 12.18 |
| May 31, 1884 | 12.25 |
| Apr 30, 1884 | 12.05 |
| Mar 31, 1884 | 11.86 |
| Feb 29, 1884 | 11.93 |
| Jan 31, 1884 | 11.98 |
| Dec 31, 1883 | 12.05 |
| Nov 30, 1883 | 12.15 |
| Oct 31, 1883 | 11.98 |
| Sep 30, 1883 | 11.96 |
| Aug 31, 1883 | 11.81 |
| Jul 31, 1883 | 11.78 |
| Jun 30, 1883 | 11.51 |
| May 31, 1883 | 11.15 |
| Apr 30, 1883 | 11.00 |
| Mar 31, 1883 | 10.88 |
| Feb 28, 1883 | 10.74 |
| Jan 31, 1883 | 10.82 |
| Dec 31, 1882 | 10.79 |
| Nov 30, 1882 | 10.69 |
| Oct 31, 1882 | 10.59 |
| Sep 30, 1882 | 10.49 |
| Aug 31, 1882 | 10.21 |
| Jul 31, 1882 | 10.30 |
| Jun 30, 1882 | 10.21 |
| May 31, 1882 | 10.30 |
| Apr 30, 1882 | 10.40 |
| Mar 31, 1882 | 10.49 |
| Feb 28, 1882 | 10.49 |
| Jan 31, 1882 | 10.59 |
| Dec 31, 1881 | 10.59 |
| Nov 30, 1881 | 10.43 |
| Oct 31, 1881 | 10.16 |
| Sep 30, 1881 | 10.09 |
| Aug 31, 1881 | 10.31 |
| Jul 31, 1881 | 10.34 |
| Jun 30, 1881 | 10.27 |
| May 31, 1881 | 10.10 |
| Apr 30, 1881 | 9.82 |
| Mar 31, 1881 | 9.74 |
| Feb 28, 1881 | 9.57 |
| Jan 31, 1881 | 9.48 |
| Dec 31, 1880 | 9.21 |
| Nov 30, 1880 | 9.12 |
| Oct 31, 1880 | 9.04 |
| Sep 30, 1880 | 8.86 |
| Aug 31, 1880 | 8.76 |
| Jul 31, 1880 | 8.58 |
| Jun 30, 1880 | 8.40 |
| May 31, 1880 | 8.05 |
| Apr 30, 1880 | 7.64 |
| Mar 31, 1880 | 7.18 |
| Feb 29, 1880 | 7.08 |
| Jan 31, 1880 | 6.91 |
| Dec 31, 1879 | 6.95 |
| Nov 30, 1879 | 7.09 |
| Oct 31, 1879 | 7.41 |
| Sep 30, 1879 | 7.76 |
| Aug 31, 1879 | 7.96 |
| Jul 31, 1879 | 7.90 |
| Jun 30, 1879 | 7.91 |
| May 31, 1879 | 7.76 |
| Apr 30, 1879 | 7.69 |
| Mar 31, 1879 | 7.53 |
| Feb 28, 1879 | 7.38 |
| Jan 31, 1879 | 7.39 |
| Dec 31, 1878 | 7.41 |
| Nov 30, 1878 | 7.28 |
| Oct 31, 1878 | 7.23 |
| Sep 30, 1878 | 7.18 |
| Aug 31, 1878 | 7.22 |
| Jul 31, 1878 | 7.33 |
| Jun 30, 1878 | 7.45 |
| May 31, 1878 | 7.31 |
| Apr 30, 1878 | 7.11 |
| Mar 31, 1878 | 7.07 |
| Feb 28, 1878 | 6.95 |
| Jan 31, 1878 | 6.91 |
| Dec 31, 1877 | 6.73 |
| Nov 30, 1877 | 7.06 |
| Oct 31, 1877 | 7.24 |
| Sep 30, 1877 | 7.56 |
| Aug 31, 1877 | 7.79 |
| Jul 31, 1877 | 7.80 |
| Jun 30, 1877 | 8.18 |
| May 31, 1877 | 8.03 |
| Apr 30, 1877 | 8.47 |
| Mar 31, 1877 | 9.02 |
| Feb 28, 1877 | 8.90 |
| Jan 31, 1877 | 8.96 |
| Dec 31, 1876 | 9.40 |
| Nov 30, 1876 | 9.57 |
| Oct 31, 1876 | 9.65 |
| Sep 30, 1876 | 9.83 |
| Aug 31, 1876 | 9.93 |
| Jul 31, 1876 | 10.02 |
| Jun 30, 1876 | 10.02 |
| May 31, 1876 | 9.75 |
| Apr 30, 1876 | 9.40 |
| Mar 31, 1876 | 9.32 |
| Feb 29, 1876 | 9.32 |
| Jan 31, 1876 | 9.32 |
| Dec 31, 1875 | 9.24 |
| Nov 30, 1875 | 9.23 |
| Oct 31, 1875 | 9.23 |
| Sep 30, 1875 | 9.31 |
| Aug 31, 1875 | 9.30 |
| Jul 31, 1875 | 9.46 |
| Jun 30, 1875 | 9.54 |
| May 31, 1875 | 9.45 |
| Apr 30, 1875 | 9.29 |
| Mar 31, 1875 | 9.44 |
| Feb 28, 1875 | 9.51 |
| Jan 31, 1875 | 9.59 |
| Dec 31, 1874 | 9.66 |
| Nov 30, 1874 | 9.66 |
| Oct 31, 1874 | 9.58 |
| Sep 30, 1874 | 9.42 |
| Aug 31, 1874 | 9.42 |
| Jul 31, 1874 | 9.35 |
| Jun 30, 1874 | 9.42 |
| May 31, 1874 | 9.20 |
| Apr 30, 1874 | 9.13 |
| Mar 31, 1874 | 8.99 |
| Feb 28, 1874 | 8.99 |
| Jan 31, 1874 | 8.99 |
| Dec 31, 1873 | 9.13 |
| Nov 30, 1873 | 9.28 |
| Oct 31, 1873 | 8.92 |
| Sep 30, 1873 | 8.65 |
| Aug 31, 1873 | 8.58 |
| Jul 31, 1873 | 8.52 |
| Jun 30, 1873 | 8.45 |
| May 31, 1873 | 8.14 |
| Apr 30, 1873 | 7.90 |
| Mar 31, 1873 | 7.83 |
| Feb 28, 1873 | 7.77 |
| Jan 31, 1873 | 7.88 |
| Dec 31, 1872 | 7.81 |
| Nov 30, 1872 | 7.61 |
| Oct 31, 1872 | 7.75 |
| Sep 30, 1872 | 7.50 |
| Aug 31, 1872 | 7.47 |
| Jul 31, 1872 | 7.43 |
| Jun 30, 1872 | 7.24 |
| May 31, 1872 | 7.10 |
| Apr 30, 1872 | 7.01 |
| Mar 31, 1872 | 7.09 |
| Feb 29, 1872 | 7.10 |
| Jan 31, 1872 | 7.01 |
| Dec 31, 1871 | 6.93 |
| Nov 30, 1871 | 7.08 |
| Oct 31, 1871 | 7.08 |
| Sep 30, 1871 | 7.19 |
| Aug 31, 1871 | 7.37 |
| Jul 31, 1871 | 7.25 |
| Jun 30, 1871 | 7.25 |
| May 31, 1871 | 7.14 |
| Apr 30, 1871 | 6.97 |
| Mar 31, 1871 | 6.72 |
| Feb 28, 1871 | 6.82 |
| Jan 31, 1871 | 7.03 |
12-month real dividend per share — inflation adjusted September, 2026 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.