| Date | Value |
|---|---|
| Jun 30, 2026 | 81.03 |
| May 31, 2026 | 80.53 |
| Apr 30, 2026 | 80.81 |
| Mar 31, 2026 | 81.28 |
| Feb 28, 2026 | 81.84 |
| Jan 31, 2026 | 81.94 |
| Dec 31, 2025 | 81.33 |
| Nov 30, 2025 | 81.16 |
| Oct 31, 2025 | 80.92 |
| Sep 30, 2025 | 80.69 |
| Aug 31, 2025 | 80.51 |
| Jul 31, 2025 | 80.35 |
| Jun 30, 2025 | 80.08 |
| May 31, 2025 | 79.94 |
| Apr 30, 2025 | 79.69 |
| Mar 31, 2025 | 79.52 |
| Feb 28, 2025 | 79.24 |
| Jan 31, 2025 | 79.13 |
| Dec 31, 2024 | 79.18 |
| Nov 30, 2024 | 78.71 |
| Oct 31, 2024 | 78.16 |
| Sep 30, 2024 | 77.74 |
| Aug 31, 2024 | 77.36 |
| Jul 31, 2024 | 76.92 |
| Jun 30, 2024 | 76.51 |
| May 31, 2024 | 76.12 |
| Apr 30, 2024 | 75.84 |
| Mar 31, 2024 | 75.73 |
| Feb 29, 2024 | 76.03 |
| Jan 31, 2024 | 76.31 |
| Dec 31, 2023 | 76.54 |
| Nov 30, 2023 | 76.10 |
| Oct 31, 2023 | 75.59 |
| Sep 30, 2023 | 75.20 |
| Aug 31, 2023 | 75.17 |
| Jul 31, 2023 | 75.29 |
| Jun 30, 2023 | 75.21 |
| May 31, 2023 | 75.27 |
| Apr 30, 2023 | 75.27 |
| Mar 31, 2023 | 75.47 |
| Feb 28, 2023 | 75.24 |
| Jan 31, 2023 | 75.18 |
| Dec 31, 2022 | 75.30 |
| Nov 30, 2022 | 74.47 |
| Oct 31, 2022 | 73.79 |
| Sep 30, 2022 | 73.49 |
| Aug 31, 2022 | 73.16 |
| Jul 31, 2022 | 72.65 |
| Jun 30, 2022 | 72.15 |
| May 31, 2022 | 72.36 |
| Apr 30, 2022 | 72.37 |
| Mar 31, 2022 | 71.98 |
| Feb 28, 2022 | 72.33 |
| Jan 31, 2022 | 72.36 |
| Dec 31, 2021 | 72.34 |
| Nov 30, 2021 | 72.11 |
| Oct 31, 2021 | 72.00 |
| Sep 30, 2021 | 72.14 |
| Aug 31, 2021 | 71.77 |
| Jul 31, 2021 | 71.35 |
| Jun 30, 2021 | 71.12 |
| May 31, 2021 | 71.69 |
| Apr 30, 2021 | 72.17 |
| Mar 31, 2021 | 72.66 |
| Feb 28, 2021 | 73.45 |
| Jan 31, 2021 | 74.13 |
| Dec 31, 2020 | 74.72 |
| Nov 30, 2020 | 75.03 |
| Oct 31, 2020 | 75.23 |
| Sep 30, 2020 | 75.51 |
| Aug 31, 2020 | 75.97 |
| Jul 31, 2020 | 76.57 |
| Jun 30, 2020 | 77.31 |
| May 31, 2020 | 77.69 |
| Apr 30, 2020 | 77.65 |
| Mar 31, 2020 | 77.09 |
| Feb 29, 2020 | 76.34 |
| Jan 31, 2020 | 75.97 |
| Dec 31, 2019 | 75.69 |
| Nov 30, 2019 | 75.18 |
| Oct 31, 2019 | 74.69 |
| Sep 30, 2019 | 74.42 |
| Aug 31, 2019 | 73.98 |
| Jul 31, 2019 | 73.49 |
| Jun 30, 2019 | 73.11 |
| May 31, 2019 | 72.63 |
| Apr 30, 2019 | 72.29 |
| Mar 31, 2019 | 72.17 |
| Feb 28, 2019 | 72.06 |
| Jan 31, 2019 | 71.83 |
| Dec 31, 2018 | 71.44 |
| Nov 30, 2018 | 70.59 |
| Oct 31, 2018 | 69.74 |
| Sep 30, 2018 | 69.24 |
| Aug 31, 2018 | 68.72 |
| Jul 31, 2018 | 68.17 |
| Jun 30, 2018 | 67.58 |
| May 31, 2018 | 67.25 |
| Apr 30, 2018 | 67.09 |
| Mar 31, 2018 | 66.91 |
| Feb 28, 2018 | 66.59 |
| Jan 31, 2018 | 66.41 |
| Dec 31, 2017 | 66.29 |
| Nov 30, 2017 | 65.90 |
| Oct 31, 2017 | 65.56 |
| Sep 30, 2017 | 65.18 |
| Aug 31, 2017 | 65.09 |
| Jul 31, 2017 | 64.85 |
| Jun 30, 2017 | 64.37 |
| May 31, 2017 | 64.05 |
| Apr 30, 2017 | 63.73 |
| Mar 31, 2017 | 63.53 |
| Feb 28, 2017 | 63.27 |
| Jan 31, 2017 | 63.16 |
| Dec 31, 2016 | 63.21 |
| Nov 30, 2016 | 62.92 |
| Oct 31, 2016 | 62.51 |
| Sep 30, 2016 | 62.28 |
| Aug 31, 2016 | 62.17 |
| Jul 31, 2016 | 61.96 |
| Jun 30, 2016 | 61.60 |
| May 31, 2016 | 61.53 |
| Apr 30, 2016 | 61.51 |
| Mar 31, 2016 | 61.53 |
| Feb 29, 2016 | 61.57 |
| Jan 31, 2016 | 61.39 |
| Dec 31, 2015 | 61.26 |
| Nov 30, 2015 | 60.64 |
| Oct 31, 2015 | 60.10 |
| Sep 30, 2015 | 59.66 |
| Aug 31, 2015 | 59.21 |
| Jul 31, 2015 | 58.77 |
| Jun 30, 2015 | 58.41 |
| May 31, 2015 | 58.18 |
| Apr 30, 2015 | 58.04 |
| Mar 31, 2015 | 57.71 |
| Feb 28, 2015 | 57.41 |
| Jan 31, 2015 | 57.01 |
| Dec 31, 2014 | 56.10 |
| Nov 30, 2014 | 55.33 |
| Oct 31, 2014 | 54.59 |
| Sep 30, 2014 | 54.01 |
| Aug 31, 2014 | 53.53 |
| Jul 31, 2014 | 52.92 |
| Jun 30, 2014 | 52.38 |
| May 31, 2014 | 51.93 |
| Apr 30, 2014 | 51.57 |
| Mar 31, 2014 | 51.20 |
| Feb 28, 2014 | 50.94 |
| Jan 31, 2014 | 50.54 |
| Dec 31, 2013 | 50.14 |
| Nov 30, 2013 | 49.86 |
| Oct 31, 2013 | 49.48 |
| Sep 30, 2013 | 49.07 |
| Aug 31, 2013 | 48.58 |
| Jul 31, 2013 | 48.10 |
| Jun 30, 2013 | 47.58 |
| May 31, 2013 | 47.14 |
| Apr 30, 2013 | 46.67 |
| Mar 31, 2013 | 46.07 |
| Feb 28, 2013 | 45.78 |
| Jan 31, 2013 | 45.73 |
| Dec 31, 2012 | 45.45 |
| Nov 30, 2012 | 44.52 |
| Oct 31, 2012 | 43.52 |
| Sep 30, 2012 | 42.70 |
| Aug 31, 2012 | 42.28 |
| Jul 31, 2012 | 41.90 |
| Jun 30, 2012 | 41.21 |
| May 31, 2012 | 40.68 |
| Apr 30, 2012 | 40.17 |
| Mar 31, 2012 | 39.82 |
| Feb 29, 2012 | 39.67 |
| Jan 31, 2012 | 39.39 |
| Dec 31, 2011 | 39.10 |
| Nov 30, 2011 | 38.40 |
| Oct 31, 2011 | 37.75 |
| Sep 30, 2011 | 37.06 |
| Aug 31, 2011 | 36.71 |
| Jul 31, 2011 | 36.39 |
| Jun 30, 2011 | 36.01 |
| May 31, 2011 | 35.53 |
| Apr 30, 2011 | 35.24 |
| Mar 31, 2011 | 35.02 |
| Feb 28, 2011 | 35.00 |
| Jan 31, 2011 | 34.82 |
| Dec 31, 2010 | 34.63 |
| Nov 30, 2010 | 34.50 |
| Oct 31, 2010 | 34.32 |
| Sep 30, 2010 | 34.17 |
| Aug 31, 2010 | 34.03 |
| Jul 31, 2010 | 33.92 |
| Jun 30, 2010 | 33.76 |
| May 31, 2010 | 33.66 |
| Apr 30, 2010 | 33.62 |
| Mar 31, 2010 | 33.61 |
| Feb 28, 2010 | 34.01 |
| Jan 31, 2010 | 34.27 |
| Dec 31, 2009 | 34.65 |
| Nov 30, 2009 | 35.36 |
| Oct 31, 2009 | 36.15 |
| Sep 30, 2009 | 36.96 |
| Aug 31, 2009 | 37.85 |
| Jul 31, 2009 | 38.81 |
| Jun 30, 2009 | 39.63 |
| May 31, 2009 | 40.83 |
| Apr 30, 2009 | 41.82 |
| Mar 31, 2009 | 42.79 |
| Feb 28, 2009 | 43.49 |
| Jan 31, 2009 | 44.30 |
| Dec 31, 2008 | 45.09 |
| Nov 30, 2008 | 44.87 |
| Oct 31, 2008 | 44.25 |
| Sep 30, 2008 | 44.04 |
| Aug 31, 2008 | 43.91 |
| Jul 31, 2008 | 43.66 |
| Jun 30, 2008 | 43.82 |
| May 31, 2008 | 44.05 |
| Apr 30, 2008 | 44.21 |
| Mar 31, 2008 | 44.26 |
| Feb 29, 2008 | 44.35 |
| Jan 31, 2008 | 44.18 |
| Dec 31, 2007 | 44.09 |
| Nov 30, 2007 | 43.66 |
| Oct 31, 2007 | 43.52 |
| Sep 30, 2007 | 43.21 |
| Aug 31, 2007 | 42.90 |
| Jul 31, 2007 | 42.39 |
| Jun 30, 2007 | 41.95 |
| May 31, 2007 | 41.67 |
| Apr 30, 2007 | 41.56 |
| Mar 31, 2007 | 41.46 |
| Feb 28, 2007 | 41.50 |
| Jan 31, 2007 | 41.39 |
| Dec 31, 2006 | 41.18 |
| Nov 30, 2006 | 40.81 |
| Oct 31, 2006 | 40.31 |
| Sep 30, 2006 | 39.66 |
| Aug 31, 2006 | 39.11 |
| Jul 31, 2006 | 38.82 |
| Jun 30, 2006 | 38.57 |
| May 31, 2006 | 38.29 |
| Apr 30, 2006 | 38.12 |
| Mar 31, 2006 | 38.08 |
| Feb 28, 2006 | 37.97 |
| Jan 31, 2006 | 37.73 |
| Dec 31, 2005 | 37.70 |
| Nov 30, 2005 | 37.13 |
| Oct 31, 2005 | 36.41 |
| Sep 30, 2005 | 36.07 |
| Aug 31, 2005 | 36.20 |
| Jul 31, 2005 | 36.07 |
| Jun 30, 2005 | 35.93 |
| May 31, 2005 | 35.55 |
| Apr 30, 2005 | 35.11 |
| Mar 31, 2005 | 34.94 |
| Feb 28, 2005 | 34.76 |
| Jan 31, 2005 | 34.50 |
| Dec 31, 2004 | 34.12 |
| Nov 30, 2004 | 33.83 |
| Oct 31, 2004 | 33.69 |
| Sep 30, 2004 | 33.70 |
| Aug 31, 2004 | 33.44 |
| Jul 31, 2004 | 33.13 |
| Jun 30, 2004 | 32.75 |
| May 31, 2004 | 32.51 |
| Apr 30, 2004 | 32.36 |
| Mar 31, 2004 | 32.12 |
| Feb 29, 2004 | 31.94 |
| Jan 31, 2004 | 31.73 |
| Dec 31, 2003 | 31.50 |
| Nov 30, 2003 | 30.99 |
| Oct 31, 2003 | 30.42 |
| Sep 30, 2003 | 29.91 |
| Aug 31, 2003 | 29.75 |
| Jul 31, 2003 | 29.61 |
| Jun 30, 2003 | 29.39 |
| May 31, 2003 | 29.45 |
| Apr 30, 2003 | 29.44 |
| Mar 31, 2003 | 29.41 |
| Feb 28, 2003 | 29.50 |
| Jan 31, 2003 | 29.63 |
| Dec 31, 2002 | 29.67 |
| Nov 30, 2002 | 29.44 |
| Oct 31, 2002 | 29.27 |
| Sep 30, 2002 | 29.15 |
| Aug 31, 2002 | 29.35 |
| Jul 31, 2002 | 29.59 |
| Jun 30, 2002 | 29.77 |
| May 31, 2002 | 29.60 |
| Apr 30, 2002 | 29.41 |
| Mar 31, 2002 | 29.38 |
| Feb 28, 2002 | 29.55 |
| Jan 31, 2002 | 29.67 |
| Dec 31, 2001 | 29.75 |
| Nov 30, 2001 | 29.63 |
| Oct 31, 2001 | 29.58 |
| Sep 30, 2001 | 29.47 |
| Aug 31, 2001 | 29.57 |
| Jul 31, 2001 | 29.54 |
| Jun 30, 2001 | 29.43 |
| May 31, 2001 | 29.66 |
| Apr 30, 2001 | 29.97 |
| Mar 31, 2001 | 30.27 |
| Feb 28, 2001 | 30.53 |
| Jan 31, 2001 | 30.84 |
| Dec 31, 2000 | 31.23 |
| Nov 30, 2000 | 31.26 |
| Oct 31, 2000 | 31.33 |
| Sep 30, 2000 | 31.43 |
| Aug 31, 2000 | 31.82 |
| Jul 31, 2000 | 32.05 |
| Jun 30, 2000 | 32.36 |
| May 31, 2000 | 32.56 |
| Apr 30, 2000 | 32.64 |
| Mar 31, 2000 | 32.70 |
| Feb 29, 2000 | 32.92 |
| Jan 31, 2000 | 33.07 |
| Dec 31, 1999 | 33.12 |
| Nov 30, 1999 | 33.09 |
| Oct 31, 1999 | 33.07 |
| Sep 30, 1999 | 33.10 |
| Aug 31, 1999 | 33.13 |
| Jul 31, 1999 | 33.08 |
| Jun 30, 1999 | 33.05 |
| May 31, 1999 | 33.05 |
| Apr 30, 1999 | 33.05 |
| Mar 31, 1999 | 33.29 |
| Feb 28, 1999 | 33.22 |
| Jan 31, 1999 | 33.09 |
| Dec 31, 1998 | 33.00 |
| Nov 30, 1998 | 32.94 |
| Oct 31, 1998 | 32.91 |
| Sep 30, 1998 | 32.95 |
| Aug 31, 1998 | 32.86 |
| Jul 31, 1998 | 32.77 |
| Jun 30, 1998 | 32.68 |
| May 31, 1998 | 32.51 |
| Apr 30, 1998 | 32.36 |
| Mar 31, 1998 | 32.20 |
| Feb 28, 1998 | 32.16 |
| Jan 31, 1998 | 32.12 |
| Dec 31, 1997 | 32.08 |
| Nov 30, 1997 | 31.93 |
| Oct 31, 1997 | 31.80 |
| Sep 30, 1997 | 31.76 |
| Aug 31, 1997 | 31.72 |
| Jul 31, 1997 | 31.66 |
| Jun 30, 1997 | 31.58 |
| May 31, 1997 | 31.55 |
| Apr 30, 1997 | 31.46 |
| Mar 31, 1997 | 31.43 |
| Feb 28, 1997 | 31.40 |
| Jan 31, 1997 | 31.39 |
| Dec 31, 1996 | 31.37 |
| Nov 30, 1996 | 31.21 |
| Oct 31, 1996 | 31.10 |
| Sep 30, 1996 | 31.03 |
| Aug 31, 1996 | 30.86 |
| Jul 31, 1996 | 30.64 |
| Jun 30, 1996 | 30.42 |
| May 31, 1996 | 30.32 |
| Apr 30, 1996 | 30.26 |
| Mar 31, 1996 | 30.25 |
| Feb 29, 1996 | 30.18 |
| Jan 31, 1996 | 30.05 |
| Dec 31, 1995 | 30.00 |
| Nov 30, 1995 | 29.82 |
| Oct 31, 1995 | 29.65 |
| Sep 30, 1995 | 29.59 |
| Aug 31, 1995 | 29.49 |
| Jul 31, 1995 | 29.41 |
| Jun 30, 1995 | 29.26 |
| May 31, 1995 | 29.18 |
| Apr 30, 1995 | 29.09 |
| Mar 31, 1995 | 29.05 |
| Feb 28, 1995 | 29.15 |
| Jan 31, 1995 | 29.26 |
| Dec 31, 1994 | 29.38 |
| Nov 30, 1994 | 29.20 |
| Oct 31, 1994 | 29.05 |
| Sep 30, 1994 | 28.89 |
| Aug 31, 1994 | 28.90 |
| Jul 31, 1994 | 28.95 |
| Jun 30, 1994 | 28.96 |
| May 31, 1994 | 28.96 |
| Apr 30, 1994 | 28.89 |
| Mar 31, 1994 | 28.83 |
| Feb 28, 1994 | 28.83 |
| Jan 31, 1994 | 28.83 |
| Dec 31, 1993 | 28.81 |
| Nov 30, 1993 | 28.76 |
| Oct 31, 1993 | 28.74 |
| Sep 30, 1993 | 28.81 |
| Aug 31, 1993 | 28.88 |
| Jul 31, 1993 | 28.96 |
| Jun 30, 1993 | 28.96 |
| May 31, 1993 | 28.97 |
| Apr 30, 1993 | 28.97 |
| Mar 31, 1993 | 29.02 |
| Feb 28, 1993 | 29.05 |
| Jan 31, 1993 | 29.08 |
| Dec 31, 1992 | 29.15 |
| Nov 30, 1992 | 29.13 |
| Oct 31, 1992 | 29.18 |
| Sep 30, 1992 | 29.29 |
| Aug 31, 1992 | 29.32 |
| Jul 31, 1992 | 29.34 |
| Jun 30, 1992 | 29.35 |
| May 31, 1992 | 29.45 |
| Apr 30, 1992 | 29.50 |
| Mar 31, 1992 | 29.55 |
| Feb 29, 1992 | 29.60 |
| Jan 31, 1992 | 29.61 |
| Dec 31, 1991 | 29.55 |
| Nov 30, 1991 | 29.63 |
| Oct 31, 1991 | 29.78 |
| Sep 30, 1991 | 29.88 |
| Aug 31, 1991 | 29.90 |
| Jul 31, 1991 | 29.89 |
| Jun 30, 1991 | 29.83 |
| May 31, 1991 | 29.88 |
| Apr 30, 1991 | 29.94 |
| Mar 31, 1991 | 29.96 |
| Feb 28, 1991 | 29.98 |
| Jan 31, 1991 | 30.01 |
| Dec 31, 1990 | 30.17 |
| Nov 30, 1990 | 29.96 |
| Oct 31, 1990 | 29.81 |
| Sep 30, 1990 | 29.78 |
| Aug 31, 1990 | 29.89 |
| Jul 31, 1990 | 30.01 |
| Jun 30, 1990 | 29.98 |
| May 31, 1990 | 29.85 |
| Apr 30, 1990 | 29.62 |
| Mar 31, 1990 | 29.37 |
| Feb 28, 1990 | 29.30 |
| Jan 31, 1990 | 29.21 |
| Dec 31, 1989 | 29.28 |
| Nov 30, 1989 | 29.04 |
| Oct 31, 1989 | 28.82 |
| Sep 30, 1989 | 28.68 |
| Aug 31, 1989 | 28.44 |
| Jul 31, 1989 | 28.16 |
| Jun 30, 1989 | 27.90 |
| May 31, 1989 | 27.65 |
| Apr 30, 1989 | 27.48 |
| Mar 31, 1989 | 27.34 |
| Feb 28, 1989 | 27.25 |
| Jan 31, 1989 | 27.13 |
| Dec 31, 1988 | 27.02 |
| Nov 30, 1988 | 26.76 |
| Oct 31, 1988 | 26.53 |
| Sep 30, 1988 | 26.37 |
| Aug 31, 1988 | 26.33 |
| Jul 31, 1988 | 26.23 |
| Jun 30, 1988 | 26.12 |
| May 31, 1988 | 25.97 |
| Apr 30, 1988 | 25.79 |
| Mar 31, 1988 | 25.66 |
| Feb 29, 1988 | 25.63 |
| Jan 31, 1988 | 25.56 |
| Dec 31, 1987 | 25.49 |
| Nov 30, 1987 | 25.35 |
| Oct 31, 1987 | 25.23 |
| Sep 30, 1987 | 25.15 |
| Aug 31, 1987 | 25.14 |
| Jul 31, 1987 | 25.14 |
| Jun 30, 1987 | 25.07 |
| May 31, 1987 | 24.98 |
| Apr 30, 1987 | 24.89 |
| Mar 31, 1987 | 24.85 |
| Feb 28, 1987 | 24.90 |
| Jan 31, 1987 | 24.93 |
| Dec 31, 1986 | 25.02 |
| Nov 30, 1986 | 25.00 |
| Oct 31, 1986 | 24.97 |
| Sep 30, 1986 | 24.94 |
| Aug 31, 1986 | 24.92 |
| Jul 31, 1986 | 24.84 |
| Jun 30, 1986 | 24.70 |
| May 31, 1986 | 24.76 |
| Apr 30, 1986 | 24.74 |
| Mar 31, 1986 | 24.62 |
| Feb 28, 1986 | 24.38 |
| Jan 31, 1986 | 24.19 |
| Dec 31, 1985 | 24.14 |
| Nov 30, 1985 | 24.14 |
| Oct 31, 1985 | 24.15 |
| Sep 30, 1985 | 24.18 |
| Aug 31, 1985 | 24.14 |
| Jul 31, 1985 | 24.08 |
| Jun 30, 1985 | 24.02 |
| May 31, 1985 | 24.01 |
| Apr 30, 1985 | 24.01 |
| Mar 31, 1985 | 24.04 |
| Feb 28, 1985 | 24.00 |
| Jan 31, 1985 | 23.97 |
| Dec 31, 1984 | 23.88 |
| Nov 30, 1984 | 23.72 |
| Oct 31, 1984 | 23.56 |
| Sep 30, 1984 | 23.47 |
| Aug 31, 1984 | 23.51 |
| Jul 31, 1984 | 23.53 |
| Jun 30, 1984 | 23.54 |
| May 31, 1984 | 23.47 |
| Apr 30, 1984 | 23.40 |
| Mar 31, 1984 | 23.37 |
| Feb 29, 1984 | 23.32 |
| Jan 31, 1984 | 23.33 |
| Dec 31, 1983 | 23.37 |
| Nov 30, 1983 | 23.30 |
| Oct 31, 1983 | 23.24 |
| Sep 30, 1983 | 23.21 |
| Aug 31, 1983 | 23.26 |
| Jul 31, 1983 | 23.27 |
| Jun 30, 1983 | 23.29 |
| May 31, 1983 | 23.33 |
| Apr 30, 1983 | 23.44 |
| Mar 31, 1983 | 23.57 |
| Feb 28, 1983 | 23.53 |
| Jan 31, 1983 | 23.50 |
| Dec 31, 1982 | 23.51 |
| Nov 30, 1982 | 23.39 |
| Oct 31, 1982 | 23.32 |
| Sep 30, 1982 | 23.37 |
| Aug 31, 1982 | 23.37 |
| Jul 31, 1982 | 23.37 |
| Jun 30, 1982 | 23.45 |
| May 31, 1982 | 23.63 |
| Apr 30, 1982 | 23.75 |
| Mar 31, 1982 | 23.75 |
| Feb 28, 1982 | 23.62 |
| Jan 31, 1982 | 23.59 |
| Dec 31, 1981 | 23.55 |
| Nov 30, 1981 | 23.50 |
| Oct 31, 1981 | 23.44 |
| Sep 30, 1981 | 23.36 |
| Aug 31, 1981 | 23.43 |
| Jul 31, 1981 | 23.45 |
| Jun 30, 1981 | 23.55 |
| May 31, 1981 | 23.63 |
| Apr 30, 1981 | 23.68 |
| Mar 31, 1981 | 23.70 |
| Feb 28, 1981 | 23.71 |
| Jan 31, 1981 | 23.80 |
| Dec 31, 1980 | 23.84 |
| Nov 30, 1980 | 23.94 |
| Oct 31, 1980 | 24.02 |
| Sep 30, 1980 | 24.13 |
| Aug 31, 1980 | 24.16 |
| Jul 31, 1980 | 24.16 |
| Jun 30, 1980 | 23.99 |
| May 31, 1980 | 24.06 |
| Apr 30, 1980 | 24.11 |
| Mar 31, 1980 | 24.18 |
| Feb 29, 1980 | 24.34 |
| Jan 31, 1980 | 24.47 |
| Dec 31, 1979 | 24.60 |
| Nov 30, 1979 | 24.65 |
| Oct 31, 1979 | 24.68 |
| Sep 30, 1979 | 24.67 |
| Aug 31, 1979 | 24.68 |
| Jul 31, 1979 | 24.65 |
| Jun 30, 1979 | 24.67 |
| May 31, 1979 | 24.72 |
| Apr 30, 1979 | 24.82 |
| Mar 31, 1979 | 24.88 |
| Feb 28, 1979 | 24.92 |
| Jan 31, 1979 | 25.00 |
| Dec 31, 1978 | 25.01 |
| Nov 30, 1978 | 25.04 |
| Oct 31, 1978 | 25.07 |
| Sep 30, 1978 | 25.21 |
| Aug 31, 1978 | 25.22 |
| Jul 31, 1978 | 25.14 |
| Jun 30, 1978 | 25.15 |
| May 31, 1978 | 25.23 |
| Apr 30, 1978 | 25.28 |
| Mar 31, 1978 | 25.28 |
| Feb 28, 1978 | 25.25 |
| Jan 31, 1978 | 25.18 |
| Dec 31, 1977 | 25.11 |
| Nov 30, 1977 | 24.89 |
| Oct 31, 1977 | 24.70 |
| Sep 30, 1977 | 24.48 |
| Aug 31, 1977 | 24.30 |
| Jul 31, 1977 | 24.12 |
| Jun 30, 1977 | 23.99 |
| May 31, 1977 | 23.83 |
| Apr 30, 1977 | 23.64 |
| Mar 31, 1977 | 23.52 |
| Feb 28, 1977 | 23.41 |
| Jan 31, 1977 | 23.39 |
| Dec 31, 1976 | 23.24 |
| Nov 30, 1976 | 22.94 |
| Oct 31, 1976 | 22.59 |
| Sep 30, 1976 | 22.32 |
| Aug 31, 1976 | 22.22 |
| Jul 31, 1976 | 22.17 |
| Jun 30, 1976 | 22.11 |
| May 31, 1976 | 22.09 |
| Apr 30, 1976 | 22.10 |
| Mar 31, 1976 | 22.04 |
| Feb 29, 1976 | 22.06 |
| Jan 31, 1976 | 22.12 |
| Dec 31, 1975 | 22.14 |
| Nov 30, 1975 | 22.28 |
| Oct 31, 1975 | 22.51 |
| Sep 30, 1975 | 22.69 |
| Aug 31, 1975 | 22.82 |
| Jul 31, 1975 | 22.86 |
| Jun 30, 1975 | 23.11 |
| May 31, 1975 | 23.21 |
| Apr 30, 1975 | 23.25 |
| Mar 31, 1975 | 23.26 |
| Feb 28, 1975 | 23.20 |
| Jan 31, 1975 | 23.22 |
| Dec 31, 1974 | 23.16 |
| Nov 30, 1974 | 23.32 |
| Oct 31, 1974 | 23.48 |
| Sep 30, 1974 | 23.69 |
| Aug 31, 1974 | 23.78 |
| Jul 31, 1974 | 23.86 |
| Jun 30, 1974 | 23.85 |
| May 31, 1974 | 23.91 |
| Apr 30, 1974 | 24.07 |
| Mar 31, 1974 | 24.03 |
| Feb 28, 1974 | 24.20 |
| Jan 31, 1974 | 24.37 |
| Dec 31, 1973 | 24.43 |
| Nov 30, 1973 | 24.32 |
| Oct 31, 1973 | 24.22 |
| Sep 30, 1973 | 24.16 |
| Aug 31, 1973 | 24.09 |
| Jul 31, 1973 | 24.40 |
| Jun 30, 1973 | 24.33 |
| May 31, 1973 | 24.37 |
| Apr 30, 1973 | 24.41 |
| Mar 31, 1973 | 24.45 |
| Feb 28, 1973 | 24.62 |
| Jan 31, 1973 | 24.75 |
| Dec 31, 1972 | 24.75 |
| Nov 30, 1972 | 24.63 |
| Oct 31, 1972 | 24.50 |
| Sep 30, 1972 | 24.43 |
| Aug 31, 1972 | 24.46 |
| Jul 31, 1972 | 24.50 |
| Jun 30, 1972 | 24.59 |
| May 31, 1972 | 24.65 |
| Apr 30, 1972 | 24.70 |
| Mar 31, 1972 | 24.76 |
| Feb 29, 1972 | 24.82 |
| Jan 31, 1972 | 24.94 |
| Dec 31, 1971 | 24.94 |
| Nov 30, 1971 | 25.12 |
| Oct 31, 1971 | 25.18 |
| Sep 30, 1971 | 25.29 |
| Aug 31, 1971 | 25.32 |
| Jul 31, 1971 | 25.41 |
| Jun 30, 1971 | 25.50 |
| May 31, 1971 | 25.72 |
| Apr 30, 1971 | 25.87 |
| Mar 31, 1971 | 25.96 |
| Feb 28, 1971 | 26.11 |
| Jan 31, 1971 | 26.26 |
| Dec 31, 1970 | 26.35 |
| Nov 30, 1970 | 26.62 |
| Oct 31, 1970 | 26.90 |
| Sep 30, 1970 | 27.18 |
| Aug 31, 1970 | 27.29 |
| Jul 31, 1970 | 27.26 |
| Jun 30, 1970 | 27.37 |
| May 31, 1970 | 27.48 |
| Apr 30, 1970 | 27.53 |
| Mar 31, 1970 | 27.71 |
| Feb 28, 1970 | 27.83 |
| Jan 31, 1970 | 27.95 |
| Dec 31, 1969 | 27.99 |
| Nov 30, 1969 | 28.11 |
| Oct 31, 1969 | 28.23 |
| Sep 30, 1969 | 28.35 |
| Aug 31, 1969 | 28.37 |
| Jul 31, 1969 | 28.46 |
| Jun 30, 1969 | 28.56 |
| May 31, 1969 | 28.62 |
| Apr 30, 1969 | 28.61 |
| Mar 31, 1969 | 28.68 |
| Feb 28, 1969 | 28.82 |
| Jan 31, 1969 | 28.89 |
| Dec 31, 1968 | 28.88 |
| Nov 30, 1968 | 28.84 |
| Oct 31, 1968 | 28.79 |
| Sep 30, 1968 | 28.83 |
| Aug 31, 1968 | 28.78 |
| Jul 31, 1968 | 28.74 |
| Jun 30, 1968 | 28.78 |
| May 31, 1968 | 28.81 |
| Apr 30, 1968 | 28.77 |
| Mar 31, 1968 | 28.72 |
| Feb 29, 1968 | 28.71 |
| Jan 31, 1968 | 28.69 |
| Dec 31, 1967 | 28.77 |
| Nov 30, 1967 | 28.85 |
| Oct 31, 1967 | 28.94 |
| Sep 30, 1967 | 29.02 |
| Aug 31, 1967 | 29.04 |
| Jul 31, 1967 | 29.06 |
| Jun 30, 1967 | 29.08 |
| May 31, 1967 | 29.17 |
| Apr 30, 1967 | 29.26 |
| Mar 31, 1967 | 29.35 |
| Feb 28, 1967 | 29.33 |
| Jan 31, 1967 | 29.23 |
| Dec 31, 1966 | 29.13 |
| Nov 30, 1966 | 29.20 |
| Oct 31, 1966 | 29.27 |
| Sep 30, 1966 | 29.51 |
| Aug 31, 1966 | 29.31 |
| Jul 31, 1966 | 29.29 |
| Jun 30, 1966 | 29.17 |
| May 31, 1966 | 29.09 |
| Apr 30, 1966 | 28.91 |
| Mar 31, 1966 | 28.92 |
| Feb 28, 1966 | 28.80 |
| Jan 31, 1966 | 28.77 |
| Dec 31, 1965 | 28.56 |
| Nov 30, 1965 | 28.44 |
| Oct 31, 1965 | 28.23 |
| Sep 30, 1965 | 28.11 |
| Aug 31, 1965 | 27.93 |
| Jul 31, 1965 | 27.76 |
| Jun 30, 1965 | 27.58 |
| May 31, 1965 | 27.55 |
| Apr 30, 1965 | 27.33 |
| Mar 31, 1965 | 27.21 |
| Feb 28, 1965 | 27.12 |
| Jan 31, 1965 | 26.94 |
| Dec 31, 1964 | 26.76 |
| Nov 30, 1964 | 26.54 |
| Oct 31, 1964 | 26.42 |
| Sep 30, 1964 | 26.20 |
| Aug 31, 1964 | 26.07 |
| Jul 31, 1964 | 25.77 |
| Jun 30, 1964 | 25.64 |
| May 31, 1964 | 25.54 |
| Apr 30, 1964 | 25.36 |
| Mar 31, 1964 | 25.18 |
| Feb 29, 1964 | 25.00 |
| Jan 31, 1964 | 24.82 |
| Dec 31, 1963 | 24.64 |
| Nov 30, 1963 | 24.47 |
| Oct 31, 1963 | 24.22 |
| Sep 30, 1963 | 24.04 |
| Aug 31, 1963 | 24.00 |
| Jul 31, 1963 | 23.97 |
| Jun 30, 1963 | 24.01 |
| May 31, 1963 | 23.91 |
| Apr 30, 1963 | 23.72 |
| Mar 31, 1963 | 23.54 |
| Feb 28, 1963 | 23.55 |
| Jan 31, 1963 | 23.47 |
| Dec 31, 1962 | 23.40 |
| Nov 30, 1962 | 23.22 |
| Oct 31, 1962 | 23.03 |
| Sep 30, 1962 | 22.85 |
| Aug 31, 1962 | 22.85 |
| Jul 31, 1962 | 22.78 |
| Jun 30, 1962 | 22.78 |
| May 31, 1962 | 22.71 |
| Apr 30, 1962 | 22.63 |
| Mar 31, 1962 | 22.63 |
| Feb 28, 1962 | 22.56 |
| Jan 31, 1962 | 22.56 |
| Dec 31, 1961 | 22.49 |
| Nov 30, 1961 | 22.26 |
| Oct 31, 1961 | 22.04 |
| Sep 30, 1961 | 21.82 |
| Aug 31, 1961 | 21.82 |
| Jul 31, 1961 | 21.67 |
| Jun 30, 1961 | 21.74 |
| May 31, 1961 | 21.74 |
| Apr 30, 1961 | 21.74 |
| Mar 31, 1961 | 21.74 |
| Feb 28, 1961 | 21.78 |
| Jan 31, 1961 | 21.82 |
| Dec 31, 1960 | 21.85 |
| Nov 30, 1960 | 21.85 |
| Oct 31, 1960 | 21.85 |
| Sep 30, 1960 | 22.00 |
| Aug 31, 1960 | 22.00 |
| Jul 31, 1960 | 22.00 |
| Jun 30, 1960 | 22.00 |
| May 31, 1960 | 22.04 |
| Apr 30, 1960 | 22.00 |
| Mar 31, 1960 | 22.04 |
| Feb 29, 1960 | 21.62 |
| Jan 31, 1960 | 21.28 |
| Dec 31, 1959 | 20.79 |
| Nov 30, 1959 | 20.71 |
| Oct 31, 1959 | 20.64 |
| Sep 30, 1959 | 20.63 |
| Aug 31, 1959 | 20.62 |
| Jul 31, 1959 | 20.55 |
| Jun 30, 1959 | 20.54 |
| May 31, 1959 | 20.54 |
| Apr 30, 1959 | 20.46 |
| Mar 31, 1959 | 20.45 |
| Feb 28, 1959 | 20.38 |
| Jan 31, 1959 | 20.23 |
| Dec 31, 1958 | 20.22 |
| Nov 30, 1958 | 20.08 |
| Oct 31, 1958 | 20.07 |
| Sep 30, 1958 | 19.99 |
| Aug 31, 1958 | 19.99 |
| Jul 31, 1958 | 19.92 |
| Jun 30, 1958 | 19.99 |
| May 31, 1958 | 20.14 |
| Apr 30, 1958 | 20.30 |
| Mar 31, 1958 | 20.52 |
| Feb 28, 1958 | 20.75 |
| Jan 31, 1958 | 20.82 |
| Dec 31, 1957 | 21.05 |
| Nov 30, 1957 | 20.93 |
| Oct 31, 1957 | 20.89 |
| Sep 30, 1957 | 20.77 |
| Aug 31, 1957 | 20.65 |
| Jul 31, 1957 | 20.53 |
| Jun 30, 1957 | 20.56 |
| May 31, 1957 | 20.63 |
| Apr 30, 1957 | 20.71 |
| Mar 31, 1957 | 20.78 |
| Feb 28, 1957 | 20.90 |
| Jan 31, 1957 | 21.01 |
| Dec 31, 1956 | 21.05 |
| Nov 30, 1956 | 21.53 |
| Oct 31, 1956 | 21.94 |
| Sep 30, 1956 | 22.43 |
| Aug 31, 1956 | 22.35 |
| Jul 31, 1956 | 22.10 |
| Jun 30, 1956 | 22.10 |
| May 31, 1956 | 21.97 |
| Apr 30, 1956 | 21.77 |
| Mar 31, 1956 | 21.56 |
| Feb 29, 1956 | 21.18 |
| Jan 31, 1956 | 20.81 |
| Dec 31, 1955 | 20.44 |
| Nov 30, 1955 | 20.28 |
| Oct 31, 1955 | 20.19 |
| Sep 30, 1955 | 20.11 |
| Aug 31, 1955 | 19.98 |
| Jul 31, 1955 | 19.77 |
| Jun 30, 1955 | 19.64 |
| May 31, 1955 | 19.60 |
| Apr 30, 1955 | 19.55 |
| Mar 31, 1955 | 19.51 |
| Feb 28, 1955 | 19.43 |
| Jan 31, 1955 | 19.35 |
| Dec 31, 1954 | 19.26 |
| Nov 30, 1954 | 18.90 |
| Oct 31, 1954 | 18.61 |
| Sep 30, 1954 | 18.32 |
| Aug 31, 1954 | 18.17 |
| Jul 31, 1954 | 18.08 |
| Jun 30, 1954 | 18.00 |
| May 31, 1954 | 18.08 |
| Apr 30, 1954 | 18.23 |
| Mar 31, 1954 | 18.25 |
| Feb 28, 1954 | 18.17 |
| Jan 31, 1954 | 18.08 |
| Dec 31, 1953 | 18.00 |
| Nov 30, 1953 | 17.88 |
| Oct 31, 1953 | 17.69 |
| Sep 30, 1953 | 17.63 |
| Aug 31, 1953 | 17.63 |
| Jul 31, 1953 | 17.69 |
| Jun 30, 1953 | 17.69 |
| May 31, 1953 | 17.72 |
| Apr 30, 1953 | 17.74 |
| Mar 31, 1953 | 17.70 |
| Feb 28, 1953 | 17.77 |
| Jan 31, 1953 | 17.70 |
| Dec 31, 1952 | 17.64 |
| Nov 30, 1952 | 17.80 |
| Oct 31, 1952 | 17.97 |
| Sep 30, 1952 | 18.14 |
| Aug 31, 1952 | 18.14 |
| Jul 31, 1952 | 18.14 |
| Jun 30, 1952 | 18.27 |
| May 31, 1952 | 18.22 |
| Apr 30, 1952 | 18.09 |
| Mar 31, 1952 | 18.03 |
| Feb 29, 1952 | 17.99 |
| Jan 31, 1952 | 17.81 |
| Dec 31, 1951 | 17.77 |
| Nov 30, 1951 | 18.30 |
| Oct 31, 1951 | 18.91 |
| Sep 30, 1951 | 19.45 |
| Aug 31, 1951 | 19.77 |
| Jul 31, 1951 | 19.94 |
| Jun 30, 1951 | 20.11 |
| May 31, 1951 | 19.94 |
| Apr 30, 1951 | 19.85 |
| Mar 31, 1951 | 19.67 |
| Feb 28, 1951 | 19.53 |
| Jan 31, 1951 | 19.55 |
| Dec 31, 1950 | 19.64 |
| Nov 30, 1950 | 19.24 |
| Oct 31, 1950 | 18.69 |
| Sep 30, 1950 | 18.20 |
| Aug 31, 1950 | 17.68 |
| Jul 31, 1950 | 17.23 |
| Jun 30, 1950 | 16.84 |
| May 31, 1950 | 16.77 |
| Apr 30, 1950 | 16.70 |
| Mar 31, 1950 | 16.56 |
| Feb 28, 1950 | 16.48 |
| Jan 31, 1950 | 16.34 |
| Dec 31, 1949 | 16.13 |
| Nov 30, 1949 | 15.53 |
| Oct 31, 1949 | 15.12 |
| Sep 30, 1949 | 14.53 |
| Aug 31, 1949 | 14.50 |
| Jul 31, 1949 | 14.47 |
| Jun 30, 1949 | 14.25 |
| May 31, 1949 | 14.13 |
| Apr 30, 1949 | 13.88 |
| Mar 31, 1949 | 13.75 |
| Feb 28, 1949 | 13.52 |
| Jan 31, 1949 | 13.17 |
| Dec 31, 1948 | 12.89 |
| Nov 30, 1948 | 12.56 |
| Oct 31, 1948 | 12.18 |
| Sep 30, 1948 | 11.86 |
| Aug 31, 1948 | 11.77 |
| Jul 31, 1948 | 11.72 |
| Jun 30, 1948 | 11.78 |
| May 31, 1948 | 11.88 |
| Apr 30, 1948 | 11.93 |
| Mar 31, 1948 | 12.13 |
| Feb 29, 1948 | 12.03 |
| Jan 31, 1948 | 11.88 |
| Dec 31, 1947 | 11.99 |
| Nov 30, 1947 | 11.90 |
| Oct 31, 1947 | 11.71 |
| Sep 30, 1947 | 11.47 |
| Aug 31, 1947 | 11.58 |
| Jul 31, 1947 | 11.58 |
| Jun 30, 1947 | 11.54 |
| May 31, 1947 | 11.39 |
| Apr 30, 1947 | 11.18 |
| Mar 31, 1947 | 10.98 |
| Feb 28, 1947 | 11.13 |
| Jan 31, 1947 | 11.08 |
| Dec 31, 1946 | 11.03 |
| Nov 30, 1946 | 11.03 |
| Oct 31, 1946 | 11.19 |
| Sep 30, 1946 | 11.30 |
| Aug 31, 1946 | 11.35 |
| Jul 31, 1946 | 11.53 |
| Jun 30, 1946 | 12.14 |
| May 31, 1946 | 12.27 |
| Apr 30, 1946 | 12.34 |
| Mar 31, 1946 | 12.41 |
| Feb 28, 1946 | 12.42 |
| Jan 31, 1946 | 12.23 |
| Dec 31, 1945 | 12.11 |
| Nov 30, 1945 | 12.18 |
| Oct 31, 1945 | 12.18 |
| Sep 30, 1945 | 12.18 |
| Aug 31, 1945 | 12.12 |
| Jul 31, 1945 | 12.05 |
| Jun 30, 1945 | 11.99 |
| May 31, 1945 | 12.13 |
| Apr 30, 1945 | 12.19 |
| Mar 31, 1945 | 12.19 |
| Feb 28, 1945 | 12.13 |
| Jan 31, 1945 | 12.07 |
| Dec 31, 1944 | 12.01 |
| Nov 30, 1944 | 12.08 |
| Oct 31, 1944 | 12.08 |
| Sep 30, 1944 | 12.08 |
| Aug 31, 1944 | 12.01 |
| Jul 31, 1944 | 11.95 |
| Jun 30, 1944 | 11.95 |
| May 31, 1944 | 11.96 |
| Apr 30, 1944 | 11.90 |
| Mar 31, 1944 | 11.90 |
| Feb 29, 1944 | 11.84 |
| Jan 31, 1944 | 11.77 |
| Dec 31, 1943 | 11.71 |
| Nov 30, 1943 | 11.64 |
| Oct 31, 1943 | 11.58 |
| Sep 30, 1943 | 11.52 |
| Aug 31, 1943 | 11.52 |
| Jul 31, 1943 | 11.39 |
| Jun 30, 1943 | 11.26 |
| May 31, 1943 | 11.26 |
| Apr 30, 1943 | 11.32 |
| Mar 31, 1943 | 11.46 |
| Feb 28, 1943 | 11.66 |
| Jan 31, 1943 | 11.66 |
| Dec 31, 1942 | 11.66 |
| Nov 30, 1942 | 11.93 |
| Oct 31, 1942 | 12.20 |
| Sep 30, 1942 | 12.55 |
| Aug 31, 1942 | 12.82 |
| Jul 31, 1942 | 13.17 |
| Jun 30, 1942 | 13.52 |
| May 31, 1942 | 13.73 |
| Apr 30, 1942 | 14.10 |
| Mar 31, 1942 | 14.40 |
| Feb 28, 1942 | 14.72 |
| Jan 31, 1942 | 14.96 |
| Dec 31, 1941 | 15.30 |
| Nov 30, 1941 | 15.32 |
| Oct 31, 1941 | 15.35 |
| Sep 30, 1941 | 15.48 |
| Aug 31, 1941 | 15.61 |
| Jul 31, 1941 | 15.75 |
| Jun 30, 1941 | 15.68 |
| May 31, 1941 | 15.92 |
| Apr 30, 1941 | 15.96 |
| Mar 31, 1941 | 15.99 |
| Feb 28, 1941 | 16.03 |
| Jan 31, 1941 | 15.95 |
| Dec 31, 1940 | 15.87 |
| Nov 30, 1940 | 15.98 |
| Oct 31, 1940 | 15.98 |
| Sep 30, 1940 | 15.98 |
| Aug 31, 1940 | 15.82 |
| Jul 31, 1940 | 15.66 |
| Jun 30, 1940 | 15.39 |
| May 31, 1940 | 15.35 |
| Apr 30, 1940 | 15.19 |
| Mar 31, 1940 | 15.03 |
| Feb 29, 1940 | 14.95 |
| Jan 31, 1940 | 14.98 |
| Dec 31, 1939 | 14.79 |
| Nov 30, 1939 | 14.31 |
| Oct 31, 1939 | 13.84 |
| Sep 30, 1939 | 13.26 |
| Aug 31, 1939 | 13.31 |
| Jul 31, 1939 | 13.07 |
| Jun 30, 1939 | 12.83 |
| May 31, 1939 | 12.75 |
| Apr 30, 1939 | 12.66 |
| Mar 31, 1939 | 12.49 |
| Feb 28, 1939 | 12.41 |
| Jan 31, 1939 | 12.24 |
| Dec 31, 1938 | 12.17 |
| Nov 30, 1938 | 13.36 |
| Oct 31, 1938 | 14.55 |
| Sep 30, 1938 | 15.63 |
| Aug 31, 1938 | 16.26 |
| Jul 31, 1938 | 16.89 |
| Jun 30, 1938 | 17.53 |
| May 31, 1938 | 17.84 |
| Apr 30, 1938 | 18.03 |
| Mar 31, 1938 | 18.47 |
| Feb 28, 1938 | 18.63 |
| Jan 31, 1938 | 18.66 |
| Dec 31, 1937 | 18.55 |
| Nov 30, 1937 | 18.19 |
| Oct 31, 1937 | 17.84 |
| Sep 30, 1937 | 17.61 |
| Aug 31, 1937 | 18.27 |
| Jul 31, 1937 | 18.81 |
| Jun 30, 1937 | 19.48 |
| May 31, 1937 | 18.78 |
| Apr 30, 1937 | 18.22 |
| Mar 31, 1937 | 17.64 |
| Feb 28, 1937 | 17.53 |
| Jan 31, 1937 | 17.29 |
| Dec 31, 1936 | 17.17 |
| Nov 30, 1936 | 16.30 |
| Oct 31, 1936 | 15.43 |
| Sep 30, 1936 | 14.55 |
| Aug 31, 1936 | 14.07 |
| Jul 31, 1936 | 13.69 |
| Jun 30, 1936 | 13.31 |
| May 31, 1936 | 13.00 |
| Apr 30, 1936 | 12.59 |
| Mar 31, 1936 | 12.19 |
| Feb 29, 1936 | 11.86 |
| Jan 31, 1936 | 11.62 |
| Dec 31, 1935 | 11.37 |
| Nov 30, 1935 | 11.13 |
| Oct 31, 1935 | 10.97 |
| Sep 30, 1935 | 10.73 |
| Aug 31, 1935 | 10.73 |
| Jul 31, 1935 | 10.73 |
| Jun 30, 1935 | 10.73 |
| May 31, 1935 | 10.73 |
| Apr 30, 1935 | 10.81 |
| Mar 31, 1935 | 10.97 |
| Feb 28, 1935 | 10.97 |
| Jan 31, 1935 | 11.05 |
| Dec 31, 1934 | 11.21 |
| Nov 30, 1934 | 11.11 |
| Oct 31, 1934 | 11.09 |
| Sep 30, 1934 | 10.99 |
| Aug 31, 1934 | 11.13 |
| Jul 31, 1934 | 11.11 |
| Jun 30, 1934 | 11.09 |
| May 31, 1934 | 11.15 |
| Apr 30, 1934 | 11.13 |
| Mar 31, 1934 | 11.11 |
| Feb 28, 1934 | 11.09 |
| Jan 31, 1934 | 11.15 |
| Dec 31, 1933 | 11.13 |
| Nov 30, 1933 | 11.26 |
| Oct 31, 1933 | 11.38 |
| Sep 30, 1933 | 11.51 |
| Aug 31, 1933 | 11.64 |
| Jul 31, 1933 | 11.85 |
| Jun 30, 1933 | 12.36 |
| May 31, 1933 | 12.59 |
| Apr 30, 1933 | 12.72 |
| Mar 31, 1933 | 12.85 |
| Feb 28, 1933 | 12.88 |
| Jan 31, 1933 | 12.81 |
| Dec 31, 1932 | 12.75 |
| Nov 30, 1932 | 13.33 |
| Oct 31, 1932 | 13.89 |
| Sep 30, 1932 | 14.45 |
| Aug 31, 1932 | 15.01 |
| Jul 31, 1932 | 15.55 |
| Jun 30, 1932 | 16.21 |
| May 31, 1932 | 16.74 |
| Apr 30, 1932 | 17.14 |
| Mar 31, 1932 | 17.65 |
| Feb 29, 1932 | 18.16 |
| Jan 31, 1932 | 18.53 |
| Dec 31, 1931 | 18.76 |
| Nov 30, 1931 | 18.93 |
| Oct 31, 1931 | 18.98 |
| Sep 30, 1931 | 19.15 |
| Aug 31, 1931 | 19.31 |
| Jul 31, 1931 | 19.61 |
| Jun 30, 1931 | 19.90 |
| May 31, 1931 | 19.93 |
| Apr 30, 1931 | 19.97 |
| Mar 31, 1931 | 20.12 |
| Feb 28, 1931 | 20.28 |
| Jan 31, 1931 | 20.30 |
| Dec 31, 1930 | 20.33 |
| Nov 30, 1930 | 19.94 |
| Oct 31, 1930 | 19.80 |
| Sep 30, 1930 | 19.66 |
| Aug 31, 1930 | 19.77 |
| Jul 31, 1930 | 19.63 |
| Jun 30, 1930 | 19.38 |
| May 31, 1930 | 19.25 |
| Apr 30, 1930 | 19.12 |
| Mar 31, 1930 | 19.22 |
| Feb 28, 1930 | 19.09 |
| Jan 31, 1930 | 18.96 |
| Dec 31, 1929 | 18.83 |
| Nov 30, 1929 | 18.53 |
| Oct 31, 1929 | 18.34 |
| Sep 30, 1929 | 18.15 |
| Aug 31, 1929 | 17.95 |
| Jul 31, 1929 | 17.76 |
| Jun 30, 1929 | 17.77 |
| May 31, 1929 | 17.68 |
| Apr 30, 1929 | 17.59 |
| Mar 31, 1929 | 17.29 |
| Feb 28, 1929 | 16.99 |
| Jan 31, 1929 | 16.80 |
| Dec 31, 1928 | 16.60 |
| Nov 30, 1928 | 16.37 |
| Oct 31, 1928 | 16.25 |
| Sep 30, 1928 | 16.02 |
| Aug 31, 1928 | 16.08 |
| Jul 31, 1928 | 15.95 |
| Jun 30, 1928 | 15.82 |
| May 31, 1928 | 15.60 |
| Apr 30, 1928 | 15.56 |
| Mar 31, 1928 | 15.43 |
| Feb 29, 1928 | 15.30 |
| Jan 31, 1928 | 14.99 |
| Dec 31, 1927 | 14.86 |
| Nov 30, 1927 | 14.73 |
| Oct 31, 1927 | 14.52 |
| Sep 30, 1927 | 14.48 |
| Aug 31, 1927 | 14.43 |
| Jul 31, 1927 | 14.22 |
| Jun 30, 1927 | 13.85 |
| May 31, 1927 | 13.88 |
| Apr 30, 1927 | 13.83 |
| Mar 31, 1927 | 13.71 |
| Feb 28, 1927 | 13.50 |
| Jan 31, 1927 | 13.30 |
| Dec 31, 1926 | 13.02 |
| Nov 30, 1926 | 12.88 |
| Oct 31, 1926 | 12.81 |
| Sep 30, 1926 | 12.74 |
| Aug 31, 1926 | 12.67 |
| Jul 31, 1926 | 12.45 |
| Jun 30, 1926 | 12.17 |
| May 31, 1926 | 11.96 |
| Apr 30, 1926 | 11.75 |
| Mar 31, 1926 | 11.68 |
| Feb 28, 1926 | 11.47 |
| Jan 31, 1926 | 11.33 |
| Dec 31, 1925 | 11.19 |
| Nov 30, 1925 | 11.05 |
| Oct 31, 1925 | 11.16 |
| Sep 30, 1925 | 11.08 |
| Aug 31, 1925 | 11.01 |
| Jul 31, 1925 | 10.93 |
| Jun 30, 1925 | 10.97 |
| May 31, 1925 | 11.02 |
| Apr 30, 1925 | 11.00 |
| Mar 31, 1925 | 10.86 |
| Feb 28, 1925 | 10.84 |
| Jan 31, 1925 | 10.70 |
| Dec 31, 1924 | 10.62 |
| Nov 30, 1924 | 10.65 |
| Oct 31, 1924 | 10.61 |
| Sep 30, 1924 | 10.64 |
| Aug 31, 1924 | 10.67 |
| Jul 31, 1924 | 10.58 |
| Jun 30, 1924 | 10.61 |
| May 31, 1924 | 10.57 |
| Apr 30, 1924 | 10.54 |
| Mar 31, 1924 | 10.45 |
| Feb 29, 1924 | 10.35 |
| Jan 31, 1924 | 10.26 |
| Dec 31, 1923 | 10.23 |
| Nov 30, 1923 | 10.20 |
| Oct 31, 1923 | 10.17 |
| Sep 30, 1923 | 10.19 |
| Aug 31, 1923 | 10.22 |
| Jul 31, 1923 | 10.13 |
| Jun 30, 1923 | 10.22 |
| May 31, 1923 | 10.24 |
| Apr 30, 1923 | 10.21 |
| Mar 31, 1923 | 10.24 |
| Feb 28, 1923 | 10.20 |
| Jan 31, 1923 | 10.17 |
| Dec 31, 1922 | 10.08 |
| Nov 30, 1922 | 10.05 |
| Oct 31, 1922 | 10.03 |
| Sep 30, 1922 | 10.01 |
| Aug 31, 1922 | 9.92 |
| Jul 31, 1922 | 9.72 |
| Jun 30, 1922 | 9.70 |
| May 31, 1922 | 9.61 |
| Apr 30, 1922 | 9.53 |
| Mar 31, 1922 | 9.45 |
| Feb 28, 1922 | 9.25 |
| Jan 31, 1922 | 9.17 |
| Dec 31, 1921 | 8.88 |
| Nov 30, 1921 | 8.91 |
| Oct 31, 1921 | 8.94 |
| Sep 30, 1921 | 9.02 |
| Aug 31, 1921 | 8.99 |
| Jul 31, 1921 | 9.07 |
| Jun 30, 1921 | 9.20 |
| May 31, 1921 | 9.23 |
| Apr 30, 1921 | 9.10 |
| Mar 31, 1921 | 9.08 |
| Feb 28, 1921 | 9.11 |
| Jan 31, 1921 | 8.89 |
| Dec 31, 1920 | 8.78 |
| Nov 30, 1920 | 8.63 |
| Oct 31, 1920 | 8.61 |
| Sep 30, 1920 | 8.60 |
| Aug 31, 1920 | 8.50 |
| Jul 31, 1920 | 8.32 |
| Jun 30, 1920 | 8.31 |
| May 31, 1920 | 8.46 |
| Apr 30, 1920 | 8.61 |
| Mar 31, 1920 | 8.90 |
| Feb 29, 1920 | 9.02 |
| Jan 31, 1920 | 9.14 |
| Dec 31, 1919 | 9.36 |
| Nov 30, 1919 | 9.63 |
| Oct 31, 1919 | 9.90 |
| Sep 30, 1919 | 10.13 |
| Aug 31, 1919 | 10.25 |
| Jul 31, 1919 | 10.49 |
| Jun 30, 1919 | 10.87 |
| May 31, 1919 | 10.93 |
| Apr 30, 1919 | 11.13 |
| Mar 31, 1919 | 11.40 |
| Feb 28, 1919 | 11.61 |
| Jan 31, 1919 | 11.47 |
| Dec 31, 1918 | 11.54 |
| Nov 30, 1918 | 11.88 |
| Oct 31, 1918 | 12.31 |
| Sep 30, 1918 | 12.76 |
| Aug 31, 1918 | 13.23 |
| Jul 31, 1918 | 13.71 |
| Jun 30, 1918 | 14.31 |
| May 31, 1918 | 14.74 |
| Apr 30, 1918 | 15.29 |
| Mar 31, 1918 | 15.74 |
| Feb 28, 1918 | 15.87 |
| Jan 31, 1918 | 16.22 |
| Dec 31, 1917 | 16.82 |
| Nov 30, 1917 | 16.80 |
| Oct 31, 1917 | 16.53 |
| Sep 30, 1917 | 16.51 |
| Aug 31, 1917 | 16.61 |
| Jul 31, 1917 | 16.59 |
| Jun 30, 1917 | 16.06 |
| May 31, 1917 | 16.02 |
| Apr 30, 1917 | 15.99 |
| Mar 31, 1917 | 16.49 |
| Feb 28, 1917 | 16.19 |
| Jan 31, 1917 | 16.29 |
| Dec 31, 1916 | 16.12 |
| Nov 30, 1916 | 15.95 |
| Oct 31, 1916 | 15.91 |
| Sep 30, 1916 | 15.87 |
| Aug 31, 1916 | 15.83 |
| Jul 31, 1916 | 15.64 |
| Jun 30, 1916 | 15.31 |
| May 31, 1916 | 15.11 |
| Apr 30, 1916 | 14.91 |
| Mar 31, 1916 | 14.71 |
| Feb 29, 1916 | 14.50 |
| Jan 31, 1916 | 14.15 |
| Dec 31, 1915 | 13.94 |
| Nov 30, 1915 | 13.92 |
| Oct 31, 1915 | 14.02 |
| Sep 30, 1915 | 14.14 |
| Aug 31, 1915 | 14.11 |
| Jul 31, 1915 | 14.08 |
| Jun 30, 1915 | 14.05 |
| May 31, 1915 | 14.03 |
| Apr 30, 1915 | 14.14 |
| Mar 31, 1915 | 14.25 |
| Feb 28, 1915 | 14.08 |
| Jan 31, 1915 | 13.91 |
| Dec 31, 1914 | 13.89 |
| Nov 30, 1914 | 13.91 |
| Oct 31, 1914 | 14.22 |
| Sep 30, 1914 | 14.24 |
| Aug 31, 1914 | 14.41 |
| Jul 31, 1914 | 14.86 |
| Jun 30, 1914 | 15.18 |
| May 31, 1914 | 15.35 |
| Apr 30, 1914 | 15.68 |
| Mar 31, 1914 | 15.69 |
| Feb 28, 1914 | 15.85 |
| Jan 31, 1914 | 15.86 |
| Dec 31, 1913 | 16.03 |
| Nov 30, 1913 | 15.87 |
| Oct 31, 1913 | 16.03 |
| Sep 30, 1913 | 16.03 |
| Aug 31, 1913 | 16.19 |
| Jul 31, 1913 | 16.19 |
| Jun 30, 1913 | 16.36 |
| May 31, 1913 | 16.53 |
| Apr 30, 1913 | 16.36 |
| Mar 31, 1913 | 16.36 |
| Feb 28, 1913 | 16.36 |
| Jan 31, 1913 | 16.36 |
| Dec 31, 1912 | 16.53 |
| Nov 30, 1912 | 16.33 |
| Oct 31, 1912 | 16.30 |
| Sep 30, 1912 | 16.27 |
| Aug 31, 1912 | 16.41 |
| Jul 31, 1912 | 16.53 |
| Jun 30, 1912 | 16.51 |
| May 31, 1912 | 16.33 |
| Apr 30, 1912 | 16.29 |
| Mar 31, 1912 | 16.75 |
| Feb 29, 1912 | 17.07 |
| Jan 31, 1912 | 17.22 |
| Dec 31, 1911 | 17.36 |
| Nov 30, 1911 | 17.19 |
| Oct 31, 1911 | 17.01 |
| Sep 30, 1911 | 17.01 |
| Aug 31, 1911 | 17.19 |
| Jul 31, 1911 | 17.74 |
| Jun 30, 1911 | 17.94 |
| May 31, 1911 | 17.94 |
| Apr 30, 1911 | 17.94 |
| Mar 31, 1911 | 17.36 |
| Feb 28, 1911 | 17.56 |
| Jan 31, 1911 | 17.01 |
| Dec 31, 1910 | 17.01 |
| Nov 30, 1910 | 16.91 |
| Oct 31, 1910 | 16.48 |
| Sep 30, 1910 | 15.92 |
| Aug 31, 1910 | 15.68 |
| Jul 31, 1910 | 15.43 |
| Jun 30, 1910 | 15.35 |
| May 31, 1910 | 15.13 |
| Apr 30, 1910 | 14.76 |
| Mar 31, 1910 | 14.81 |
| Feb 28, 1910 | 15.01 |
| Jan 31, 1910 | 14.93 |
| Dec 31, 1909 | 14.71 |
| Nov 30, 1909 | 14.73 |
| Oct 31, 1909 | 14.77 |
| Sep 30, 1909 | 14.94 |
| Aug 31, 1909 | 14.98 |
| Jul 31, 1909 | 15.01 |
| Jun 30, 1909 | 14.89 |
| May 31, 1909 | 14.93 |
| Apr 30, 1909 | 14.95 |
| Mar 31, 1909 | 15.15 |
| Feb 28, 1909 | 15.02 |
| Jan 31, 1909 | 15.07 |
| Dec 31, 1908 | 14.78 |
| Nov 30, 1908 | 15.07 |
| Oct 31, 1908 | 15.35 |
| Sep 30, 1908 | 15.65 |
| Aug 31, 1908 | 15.77 |
| Jul 31, 1908 | 15.90 |
| Jun 30, 1908 | 16.20 |
| May 31, 1908 | 16.32 |
| Apr 30, 1908 | 16.45 |
| Mar 31, 1908 | 16.78 |
| Feb 29, 1908 | 16.90 |
| Jan 31, 1908 | 16.84 |
| Dec 31, 1907 | 16.79 |
| Nov 30, 1907 | 16.31 |
| Oct 31, 1907 | 15.53 |
| Sep 30, 1907 | 15.56 |
| Aug 31, 1907 | 15.44 |
| Jul 31, 1907 | 15.32 |
| Jun 30, 1907 | 15.20 |
| May 31, 1907 | 15.24 |
| Apr 30, 1907 | 15.44 |
| Mar 31, 1907 | 15.32 |
| Feb 28, 1907 | 15.02 |
| Jan 31, 1907 | 15.22 |
| Dec 31, 1906 | 14.94 |
| Nov 30, 1906 | 14.88 |
| Oct 31, 1906 | 14.82 |
| Sep 30, 1906 | 14.92 |
| Aug 31, 1906 | 14.85 |
| Jul 31, 1906 | 14.96 |
| Jun 30, 1906 | 14.24 |
| May 31, 1906 | 14.01 |
| Apr 30, 1906 | 13.93 |
| Mar 31, 1906 | 13.70 |
| Feb 28, 1906 | 13.47 |
| Jan 31, 1906 | 13.24 |
| Dec 31, 1905 | 13.01 |
| Nov 30, 1905 | 13.10 |
| Oct 31, 1905 | 13.18 |
| Sep 30, 1905 | 13.11 |
| Aug 31, 1905 | 12.90 |
| Jul 31, 1905 | 12.97 |
| Jun 30, 1905 | 12.91 |
| May 31, 1905 | 12.84 |
| Apr 30, 1905 | 12.64 |
| Mar 31, 1905 | 12.57 |
| Feb 28, 1905 | 12.35 |
| Jan 31, 1905 | 12.29 |
| Dec 31, 1904 | 12.22 |
| Nov 30, 1904 | 12.35 |
| Oct 31, 1904 | 12.77 |
| Sep 30, 1904 | 12.91 |
| Aug 31, 1904 | 13.20 |
| Jul 31, 1904 | 13.49 |
| Jun 30, 1904 | 13.62 |
| May 31, 1904 | 13.76 |
| Apr 30, 1904 | 13.58 |
| Mar 31, 1904 | 13.57 |
| Feb 29, 1904 | 13.54 |
| Jan 31, 1904 | 13.98 |
| Dec 31, 1903 | 14.45 |
| Nov 30, 1903 | 14.38 |
| Oct 31, 1903 | 14.15 |
| Sep 30, 1903 | 13.91 |
| Aug 31, 1903 | 14.02 |
| Jul 31, 1903 | 13.95 |
| Jun 30, 1903 | 13.88 |
| May 31, 1903 | 13.81 |
| Apr 30, 1903 | 13.43 |
| Mar 31, 1903 | 13.37 |
| Feb 28, 1903 | 12.85 |
| Jan 31, 1903 | 12.79 |
| Dec 31, 1902 | 12.87 |
| Nov 30, 1902 | 12.98 |
| Oct 31, 1902 | 12.53 |
| Sep 30, 1902 | 13.37 |
| Aug 31, 1902 | 13.49 |
| Jul 31, 1902 | 13.30 |
| Jun 30, 1902 | 13.27 |
| May 31, 1902 | 13.38 |
| Apr 30, 1902 | 13.51 |
| Mar 31, 1902 | 13.63 |
| Feb 28, 1902 | 13.60 |
| Jan 31, 1902 | 13.56 |
| Dec 31, 1901 | 13.37 |
| Nov 30, 1901 | 13.46 |
| Oct 31, 1901 | 13.56 |
| Sep 30, 1901 | 13.49 |
| Aug 31, 1901 | 13.57 |
| Jul 31, 1901 | 13.68 |
| Jun 30, 1901 | 13.77 |
| May 31, 1901 | 13.69 |
| Apr 30, 1901 | 13.62 |
| Mar 31, 1901 | 13.38 |
| Feb 28, 1901 | 13.31 |
| Jan 31, 1901 | 13.07 |
| Dec 31, 1900 | 13.16 |
| Nov 30, 1900 | 12.67 |
| Oct 31, 1900 | 12.34 |
| Sep 30, 1900 | 11.88 |
| Aug 31, 1900 | 11.69 |
| Jul 31, 1900 | 11.24 |
| Jun 30, 1900 | 11.05 |
| May 31, 1900 | 10.60 |
| Apr 30, 1900 | 10.03 |
| Mar 31, 1900 | 9.72 |
| Feb 28, 1900 | 9.40 |
| Jan 31, 1900 | 9.19 |
| Dec 31, 1899 | 8.88 |
| Nov 30, 1899 | 8.96 |
| Oct 31, 1899 | 9.02 |
| Sep 30, 1899 | 9.11 |
| Aug 31, 1899 | 9.42 |
| Jul 31, 1899 | 9.51 |
| Jun 30, 1899 | 9.59 |
| May 31, 1899 | 9.69 |
| Apr 30, 1899 | 9.64 |
| Mar 31, 1899 | 9.73 |
| Feb 28, 1899 | 9.69 |
| Jan 31, 1899 | 9.92 |
| Dec 31, 1898 | 9.88 |
| Nov 30, 1898 | 9.94 |
| Oct 31, 1898 | 9.86 |
| Sep 30, 1898 | 9.78 |
| Aug 31, 1898 | 9.69 |
| Jul 31, 1898 | 9.61 |
| Jun 30, 1898 | 9.39 |
| May 31, 1898 | 8.70 |
| Apr 30, 1898 | 9.22 |
| Mar 31, 1898 | 9.14 |
| Feb 28, 1898 | 9.06 |
| Jan 31, 1898 | 9.11 |
| Dec 31, 1897 | 9.03 |
| Nov 30, 1897 | 9.03 |
| Oct 31, 1897 | 9.03 |
| Sep 30, 1897 | 8.89 |
| Aug 31, 1897 | 9.15 |
| Jul 31, 1897 | 9.57 |
| Jun 30, 1897 | 9.57 |
| May 31, 1897 | 9.57 |
| Apr 30, 1897 | 9.44 |
| Mar 31, 1897 | 9.29 |
| Feb 28, 1897 | 9.29 |
| Jan 31, 1897 | 9.29 |
| Dec 31, 1896 | 9.03 |
| Nov 30, 1896 | 9.07 |
| Oct 31, 1896 | 9.38 |
| Sep 30, 1896 | 9.70 |
| Aug 31, 1896 | 9.75 |
| Jul 31, 1896 | 9.80 |
| Jun 30, 1896 | 9.84 |
| May 31, 1896 | 9.74 |
| Apr 30, 1896 | 9.64 |
| Mar 31, 1896 | 9.53 |
| Feb 29, 1896 | 9.57 |
| Jan 31, 1896 | 9.49 |
| Dec 31, 1895 | 9.39 |
| Nov 30, 1895 | 9.35 |
| Oct 31, 1895 | 9.42 |
| Sep 30, 1895 | 9.51 |
| Aug 31, 1895 | 9.59 |
| Jul 31, 1895 | 9.53 |
| Jun 30, 1895 | 9.49 |
| May 31, 1895 | 9.69 |
| Apr 30, 1895 | 9.91 |
| Mar 31, 1895 | 10.42 |
| Feb 28, 1895 | 10.51 |
| Jan 31, 1895 | 10.59 |
| Dec 31, 1894 | 10.67 |
| Nov 30, 1894 | 10.70 |
| Oct 31, 1894 | 10.87 |
| Sep 30, 1894 | 10.73 |
| Aug 31, 1894 | 11.03 |
| Jul 31, 1894 | 11.52 |
| Jun 30, 1894 | 11.69 |
| May 31, 1894 | 11.86 |
| Apr 30, 1894 | 12.03 |
| Mar 31, 1894 | 12.20 |
| Feb 28, 1894 | 12.02 |
| Jan 31, 1894 | 12.03 |
| Dec 31, 1893 | 11.86 |
| Nov 30, 1893 | 11.66 |
| Oct 31, 1893 | 11.31 |
| Sep 30, 1893 | 11.43 |
| Aug 31, 1893 | 11.85 |
| Jul 31, 1893 | 11.35 |
| Jun 30, 1893 | 11.03 |
| May 31, 1893 | 10.72 |
| Apr 30, 1893 | 10.54 |
| Mar 31, 1893 | 10.38 |
| Feb 28, 1893 | 10.10 |
| Jan 31, 1893 | 10.18 |
| Dec 31, 1892 | 10.53 |
| Nov 30, 1892 | 10.58 |
| Oct 31, 1892 | 10.78 |
| Sep 30, 1892 | 10.71 |
| Aug 31, 1892 | 10.63 |
| Jul 31, 1892 | 10.70 |
| Jun 30, 1892 | 10.91 |
| May 31, 1892 | 10.83 |
| Apr 30, 1892 | 10.75 |
| Mar 31, 1892 | 10.52 |
| Feb 29, 1892 | 10.17 |
| Jan 31, 1892 | 10.10 |
| Dec 31, 1891 | 9.77 |
| Nov 30, 1891 | 9.77 |
| Oct 31, 1891 | 9.65 |
| Sep 30, 1891 | 9.65 |
| Aug 31, 1891 | 9.53 |
| Jul 31, 1891 | 9.53 |
| Jun 30, 1891 | 9.42 |
| May 31, 1891 | 9.20 |
| Apr 30, 1891 | 9.08 |
| Mar 31, 1891 | 9.20 |
| Feb 28, 1891 | 9.30 |
| Jan 31, 1891 | 9.42 |
| Dec 31, 1890 | 9.30 |
| Nov 30, 1890 | 9.30 |
| Oct 31, 1890 | 9.08 |
| Sep 30, 1890 | 9.08 |
| Aug 31, 1890 | 9.20 |
| Jul 31, 1890 | 9.53 |
| Jun 30, 1890 | 9.53 |
| May 31, 1890 | 9.53 |
| Apr 30, 1890 | 9.65 |
| Mar 31, 1890 | 9.65 |
| Feb 28, 1890 | 9.65 |
| Jan 31, 1890 | 9.65 |
| Dec 31, 1889 | 9.42 |
| Nov 30, 1889 | 9.56 |
| Oct 31, 1889 | 9.60 |
| Sep 30, 1889 | 9.64 |
| Aug 31, 1889 | 9.80 |
| Jul 31, 1889 | 9.84 |
| Jun 30, 1889 | 9.87 |
| May 31, 1889 | 9.91 |
| Apr 30, 1889 | 9.71 |
| Mar 31, 1889 | 9.74 |
| Feb 28, 1889 | 9.65 |
| Jan 31, 1889 | 9.58 |
| Dec 31, 1888 | 9.28 |
| Nov 30, 1888 | 9.35 |
| Oct 31, 1888 | 9.52 |
| Sep 30, 1888 | 9.70 |
| Aug 31, 1888 | 9.77 |
| Jul 31, 1888 | 9.84 |
| Jun 30, 1888 | 10.03 |
| May 31, 1888 | 9.98 |
| Apr 30, 1888 | 9.93 |
| Mar 31, 1888 | 9.88 |
| Feb 29, 1888 | 9.95 |
| Jan 31, 1888 | 9.91 |
| Dec 31, 1887 | 10.08 |
| Nov 30, 1887 | 10.22 |
| Oct 31, 1887 | 10.24 |
| Sep 30, 1887 | 10.25 |
| Aug 31, 1887 | 10.03 |
| Jul 31, 1887 | 10.04 |
| Jun 30, 1887 | 9.82 |
| May 31, 1887 | 9.60 |
| Apr 30, 1887 | 9.49 |
| Mar 31, 1887 | 9.39 |
| Feb 28, 1887 | 9.29 |
| Jan 31, 1887 | 9.30 |
| Dec 31, 1886 | 9.42 |
| Nov 30, 1886 | 9.60 |
| Oct 31, 1886 | 9.67 |
| Sep 30, 1886 | 9.75 |
| Aug 31, 1886 | 9.82 |
| Jul 31, 1886 | 10.02 |
| Jun 30, 1886 | 10.21 |
| May 31, 1886 | 10.17 |
| Apr 30, 1886 | 9.99 |
| Mar 31, 1886 | 9.93 |
| Feb 28, 1886 | 9.89 |
| Jan 31, 1886 | 9.96 |
| Dec 31, 1885 | 9.80 |
| Nov 30, 1885 | 10.27 |
| Oct 31, 1885 | 10.64 |
| Sep 30, 1885 | 10.89 |
| Aug 31, 1885 | 11.00 |
| Jul 31, 1885 | 11.25 |
| Jun 30, 1885 | 11.62 |
| May 31, 1885 | 11.59 |
| Apr 30, 1885 | 11.56 |
| Mar 31, 1885 | 11.94 |
| Feb 28, 1885 | 11.90 |
| Jan 31, 1885 | 12.27 |
| Dec 31, 1884 | 12.50 |
| Nov 30, 1884 | 12.44 |
| Oct 31, 1884 | 12.22 |
| Sep 30, 1884 | 12.15 |
| Aug 31, 1884 | 12.09 |
| Jul 31, 1884 | 12.15 |
| Jun 30, 1884 | 12.08 |
| May 31, 1884 | 12.14 |
| Apr 30, 1884 | 11.94 |
| Mar 31, 1884 | 11.76 |
| Feb 29, 1884 | 11.82 |
| Jan 31, 1884 | 11.88 |
| Dec 31, 1883 | 11.94 |
| Nov 30, 1883 | 12.04 |
| Oct 31, 1883 | 11.88 |
| Sep 30, 1883 | 11.85 |
| Aug 31, 1883 | 11.71 |
| Jul 31, 1883 | 11.67 |
| Jun 30, 1883 | 11.41 |
| May 31, 1883 | 11.05 |
| Apr 30, 1883 | 10.91 |
| Mar 31, 1883 | 10.78 |
| Feb 28, 1883 | 10.65 |
| Jan 31, 1883 | 10.72 |
| Dec 31, 1882 | 10.70 |
| Nov 30, 1882 | 10.59 |
| Oct 31, 1882 | 10.50 |
| Sep 30, 1882 | 10.40 |
| Aug 31, 1882 | 10.12 |
| Jul 31, 1882 | 10.21 |
| Jun 30, 1882 | 10.12 |
| May 31, 1882 | 10.21 |
| Apr 30, 1882 | 10.31 |
| Mar 31, 1882 | 10.40 |
| Feb 28, 1882 | 10.40 |
| Jan 31, 1882 | 10.50 |
| Dec 31, 1881 | 10.50 |
| Nov 30, 1881 | 10.33 |
| Oct 31, 1881 | 10.07 |
| Sep 30, 1881 | 10.01 |
| Aug 31, 1881 | 10.22 |
| Jul 31, 1881 | 10.25 |
| Jun 30, 1881 | 10.18 |
| May 31, 1881 | 10.01 |
| Apr 30, 1881 | 9.73 |
| Mar 31, 1881 | 9.66 |
| Feb 28, 1881 | 9.48 |
| Jan 31, 1881 | 9.39 |
| Dec 31, 1880 | 9.13 |
| Nov 30, 1880 | 9.04 |
| Oct 31, 1880 | 8.96 |
| Sep 30, 1880 | 8.78 |
| Aug 31, 1880 | 8.68 |
| Jul 31, 1880 | 8.50 |
| Jun 30, 1880 | 8.32 |
| May 31, 1880 | 7.98 |
| Apr 30, 1880 | 7.57 |
| Mar 31, 1880 | 7.12 |
| Feb 29, 1880 | 7.02 |
| Jan 31, 1880 | 6.85 |
| Dec 31, 1879 | 6.89 |
| Nov 30, 1879 | 7.03 |
| Oct 31, 1879 | 7.35 |
| Sep 30, 1879 | 7.69 |
| Aug 31, 1879 | 7.89 |
| Jul 31, 1879 | 7.83 |
| Jun 30, 1879 | 7.84 |
| May 31, 1879 | 7.69 |
| Apr 30, 1879 | 7.62 |
| Mar 31, 1879 | 7.46 |
| Feb 28, 1879 | 7.31 |
| Jan 31, 1879 | 7.33 |
| Dec 31, 1878 | 7.35 |
| Nov 30, 1878 | 7.21 |
| Oct 31, 1878 | 7.16 |
| Sep 30, 1878 | 7.12 |
| Aug 31, 1878 | 7.15 |
| Jul 31, 1878 | 7.26 |
| Jun 30, 1878 | 7.38 |
| May 31, 1878 | 7.25 |
| Apr 30, 1878 | 7.05 |
| Mar 31, 1878 | 7.00 |
| Feb 28, 1878 | 6.89 |
| Jan 31, 1878 | 6.85 |
| Dec 31, 1877 | 6.67 |
| Nov 30, 1877 | 7.00 |
| Oct 31, 1877 | 7.17 |
| Sep 30, 1877 | 7.49 |
| Aug 31, 1877 | 7.73 |
| Jul 31, 1877 | 7.74 |
| Jun 30, 1877 | 8.11 |
| May 31, 1877 | 7.96 |
| Apr 30, 1877 | 8.40 |
| Mar 31, 1877 | 8.94 |
| Feb 28, 1877 | 8.82 |
| Jan 31, 1877 | 8.88 |
| Dec 31, 1876 | 9.32 |
| Nov 30, 1876 | 9.49 |
| Oct 31, 1876 | 9.57 |
| Sep 30, 1876 | 9.75 |
| Aug 31, 1876 | 9.84 |
| Jul 31, 1876 | 9.93 |
| Jun 30, 1876 | 9.93 |
| May 31, 1876 | 9.66 |
| Apr 30, 1876 | 9.32 |
| Mar 31, 1876 | 9.23 |
| Feb 29, 1876 | 9.23 |
| Jan 31, 1876 | 9.23 |
| Dec 31, 1875 | 9.16 |
| Nov 30, 1875 | 9.15 |
| Oct 31, 1875 | 9.15 |
| Sep 30, 1875 | 9.23 |
| Aug 31, 1875 | 9.22 |
| Jul 31, 1875 | 9.38 |
| Jun 30, 1875 | 9.45 |
| May 31, 1875 | 9.37 |
| Apr 30, 1875 | 9.20 |
| Mar 31, 1875 | 9.36 |
| Feb 28, 1875 | 9.43 |
| Jan 31, 1875 | 9.50 |
| Dec 31, 1874 | 9.57 |
| Nov 30, 1874 | 9.57 |
| Oct 31, 1874 | 9.49 |
| Sep 30, 1874 | 9.34 |
| Aug 31, 1874 | 9.34 |
| Jul 31, 1874 | 9.27 |
| Jun 30, 1874 | 9.34 |
| May 31, 1874 | 9.12 |
| Apr 30, 1874 | 9.05 |
| Mar 31, 1874 | 8.91 |
| Feb 28, 1874 | 8.91 |
| Jan 31, 1874 | 8.91 |
| Dec 31, 1873 | 9.05 |
| Nov 30, 1873 | 9.20 |
| Oct 31, 1873 | 8.85 |
| Sep 30, 1873 | 8.57 |
| Aug 31, 1873 | 8.51 |
| Jul 31, 1873 | 8.44 |
| Jun 30, 1873 | 8.38 |
| May 31, 1873 | 8.06 |
| Apr 30, 1873 | 7.83 |
| Mar 31, 1873 | 7.76 |
| Feb 28, 1873 | 7.70 |
| Jan 31, 1873 | 7.81 |
| Dec 31, 1872 | 7.74 |
| Nov 30, 1872 | 7.55 |
| Oct 31, 1872 | 7.68 |
| Sep 30, 1872 | 7.43 |
| Aug 31, 1872 | 7.40 |
| Jul 31, 1872 | 7.37 |
| Jun 30, 1872 | 7.18 |
| May 31, 1872 | 7.04 |
| Apr 30, 1872 | 6.95 |
| Mar 31, 1872 | 7.02 |
| Feb 29, 1872 | 7.04 |
| Jan 31, 1872 | 6.95 |
| Dec 31, 1871 | 6.86 |
| Nov 30, 1871 | 7.02 |
| Oct 31, 1871 | 7.02 |
| Sep 30, 1871 | 7.13 |
| Aug 31, 1871 | 7.30 |
| Jul 31, 1871 | 7.19 |
| Jun 30, 1871 | 7.19 |
| May 31, 1871 | 7.08 |
| Apr 30, 1871 | 6.91 |
| Mar 31, 1871 | 6.66 |
| Feb 28, 1871 | 6.76 |
| Jan 31, 1871 | 6.97 |
12-month real dividend per share — inflation adjusted June, 2026 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.