| Date | Value |
|---|---|
| Dec 31, 2025 | 80.42 |
| Nov 30, 2025 | 80.25 |
| Oct 31, 2025 | 80.02 |
| Sep 30, 2025 | 79.78 |
| Aug 31, 2025 | 79.60 |
| Jul 31, 2025 | 79.45 |
| Jun 30, 2025 | 79.18 |
| May 31, 2025 | 79.04 |
| Apr 30, 2025 | 78.79 |
| Mar 31, 2025 | 78.62 |
| Feb 28, 2025 | 78.35 |
| Jan 31, 2025 | 78.24 |
| Dec 31, 2024 | 78.30 |
| Nov 30, 2024 | 77.82 |
| Oct 31, 2024 | 77.28 |
| Sep 30, 2024 | 76.87 |
| Aug 31, 2024 | 76.50 |
| Jul 31, 2024 | 76.06 |
| Jun 30, 2024 | 75.65 |
| May 31, 2024 | 75.27 |
| Apr 30, 2024 | 74.99 |
| Mar 31, 2024 | 74.88 |
| Feb 29, 2024 | 75.18 |
| Jan 31, 2024 | 75.46 |
| Dec 31, 2023 | 75.68 |
| Nov 30, 2023 | 75.25 |
| Oct 31, 2023 | 74.75 |
| Sep 30, 2023 | 74.36 |
| Aug 31, 2023 | 74.33 |
| Jul 31, 2023 | 74.44 |
| Jun 30, 2023 | 74.37 |
| May 31, 2023 | 74.43 |
| Apr 30, 2023 | 74.43 |
| Mar 31, 2023 | 74.62 |
| Feb 28, 2023 | 74.40 |
| Jan 31, 2023 | 74.34 |
| Dec 31, 2022 | 74.46 |
| Nov 30, 2022 | 73.64 |
| Oct 31, 2022 | 72.97 |
| Sep 30, 2022 | 72.67 |
| Aug 31, 2022 | 72.34 |
| Jul 31, 2022 | 71.84 |
| Jun 30, 2022 | 71.34 |
| May 31, 2022 | 71.55 |
| Apr 30, 2022 | 71.56 |
| Mar 31, 2022 | 71.18 |
| Feb 28, 2022 | 71.52 |
| Jan 31, 2022 | 71.55 |
| Dec 31, 2021 | 71.53 |
| Nov 30, 2021 | 71.30 |
| Oct 31, 2021 | 71.20 |
| Sep 30, 2021 | 71.33 |
| Aug 31, 2021 | 70.96 |
| Jul 31, 2021 | 70.55 |
| Jun 30, 2021 | 70.33 |
| May 31, 2021 | 70.89 |
| Apr 30, 2021 | 71.36 |
| Mar 31, 2021 | 71.85 |
| Feb 28, 2021 | 72.63 |
| Jan 31, 2021 | 73.30 |
| Dec 31, 2020 | 73.88 |
| Nov 30, 2020 | 74.19 |
| Oct 31, 2020 | 74.39 |
| Sep 30, 2020 | 74.66 |
| Aug 31, 2020 | 75.12 |
| Jul 31, 2020 | 75.71 |
| Jun 30, 2020 | 76.45 |
| May 31, 2020 | 76.82 |
| Apr 30, 2020 | 76.78 |
| Mar 31, 2020 | 76.22 |
| Feb 29, 2020 | 75.49 |
| Jan 31, 2020 | 75.12 |
| Dec 31, 2019 | 74.84 |
| Nov 30, 2019 | 74.33 |
| Oct 31, 2019 | 73.86 |
| Sep 30, 2019 | 73.59 |
| Aug 31, 2019 | 73.16 |
| Jul 31, 2019 | 72.66 |
| Jun 30, 2019 | 72.29 |
| May 31, 2019 | 71.82 |
| Apr 30, 2019 | 71.48 |
| Mar 31, 2019 | 71.36 |
| Feb 28, 2019 | 71.25 |
| Jan 31, 2019 | 71.03 |
| Dec 31, 2018 | 70.64 |
| Nov 30, 2018 | 69.80 |
| Oct 31, 2018 | 68.96 |
| Sep 30, 2018 | 68.46 |
| Aug 31, 2018 | 67.95 |
| Jul 31, 2018 | 67.40 |
| Jun 30, 2018 | 66.82 |
| May 31, 2018 | 66.49 |
| Apr 30, 2018 | 66.34 |
| Mar 31, 2018 | 66.16 |
| Feb 28, 2018 | 65.84 |
| Jan 31, 2018 | 65.66 |
| Dec 31, 2017 | 65.54 |
| Nov 30, 2017 | 65.17 |
| Oct 31, 2017 | 64.83 |
| Sep 30, 2017 | 64.45 |
| Aug 31, 2017 | 64.36 |
| Jul 31, 2017 | 64.13 |
| Jun 30, 2017 | 63.65 |
| May 31, 2017 | 63.34 |
| Apr 30, 2017 | 63.01 |
| Mar 31, 2017 | 62.82 |
| Feb 28, 2017 | 62.57 |
| Jan 31, 2017 | 62.45 |
| Dec 31, 2016 | 62.51 |
| Nov 30, 2016 | 62.22 |
| Oct 31, 2016 | 61.81 |
| Sep 30, 2016 | 61.58 |
| Aug 31, 2016 | 61.47 |
| Jul 31, 2016 | 61.27 |
| Jun 30, 2016 | 60.91 |
| May 31, 2016 | 60.85 |
| Apr 30, 2016 | 60.82 |
| Mar 31, 2016 | 60.84 |
| Feb 29, 2016 | 60.88 |
| Jan 31, 2016 | 60.70 |
| Dec 31, 2015 | 60.57 |
| Nov 30, 2015 | 59.96 |
| Oct 31, 2015 | 59.43 |
| Sep 30, 2015 | 58.99 |
| Aug 31, 2015 | 58.55 |
| Jul 31, 2015 | 58.11 |
| Jun 30, 2015 | 57.76 |
| May 31, 2015 | 57.53 |
| Apr 30, 2015 | 57.39 |
| Mar 31, 2015 | 57.07 |
| Feb 28, 2015 | 56.77 |
| Jan 31, 2015 | 56.37 |
| Dec 31, 2014 | 55.47 |
| Nov 30, 2014 | 54.71 |
| Oct 31, 2014 | 53.98 |
| Sep 30, 2014 | 53.40 |
| Aug 31, 2014 | 52.93 |
| Jul 31, 2014 | 52.32 |
| Jun 30, 2014 | 51.79 |
| May 31, 2014 | 51.35 |
| Apr 30, 2014 | 51.00 |
| Mar 31, 2014 | 50.63 |
| Feb 28, 2014 | 50.37 |
| Jan 31, 2014 | 49.98 |
| Dec 31, 2013 | 49.58 |
| Nov 30, 2013 | 49.30 |
| Oct 31, 2013 | 48.92 |
| Sep 30, 2013 | 48.52 |
| Aug 31, 2013 | 48.04 |
| Jul 31, 2013 | 47.56 |
| Jun 30, 2013 | 47.04 |
| May 31, 2013 | 46.61 |
| Apr 30, 2013 | 46.15 |
| Mar 31, 2013 | 45.55 |
| Feb 28, 2013 | 45.26 |
| Jan 31, 2013 | 45.22 |
| Dec 31, 2012 | 44.94 |
| Nov 30, 2012 | 44.03 |
| Oct 31, 2012 | 43.03 |
| Sep 30, 2012 | 42.22 |
| Aug 31, 2012 | 41.81 |
| Jul 31, 2012 | 41.43 |
| Jun 30, 2012 | 40.75 |
| May 31, 2012 | 40.23 |
| Apr 30, 2012 | 39.72 |
| Mar 31, 2012 | 39.38 |
| Feb 29, 2012 | 39.23 |
| Jan 31, 2012 | 38.95 |
| Dec 31, 2011 | 38.67 |
| Nov 30, 2011 | 37.97 |
| Oct 31, 2011 | 37.33 |
| Sep 30, 2011 | 36.65 |
| Aug 31, 2011 | 36.30 |
| Jul 31, 2011 | 35.99 |
| Jun 30, 2011 | 35.61 |
| May 31, 2011 | 35.13 |
| Apr 30, 2011 | 34.85 |
| Mar 31, 2011 | 34.62 |
| Feb 28, 2011 | 34.61 |
| Jan 31, 2011 | 34.43 |
| Dec 31, 2010 | 34.24 |
| Nov 30, 2010 | 34.11 |
| Oct 31, 2010 | 33.94 |
| Sep 30, 2010 | 33.79 |
| Aug 31, 2010 | 33.65 |
| Jul 31, 2010 | 33.54 |
| Jun 30, 2010 | 33.39 |
| May 31, 2010 | 33.29 |
| Apr 30, 2010 | 33.24 |
| Mar 31, 2010 | 33.24 |
| Feb 28, 2010 | 33.63 |
| Jan 31, 2010 | 33.89 |
| Dec 31, 2009 | 34.26 |
| Nov 30, 2009 | 34.96 |
| Oct 31, 2009 | 35.75 |
| Sep 30, 2009 | 36.54 |
| Aug 31, 2009 | 37.43 |
| Jul 31, 2009 | 38.38 |
| Jun 30, 2009 | 39.18 |
| May 31, 2009 | 40.37 |
| Apr 30, 2009 | 41.35 |
| Mar 31, 2009 | 42.31 |
| Feb 28, 2009 | 43.00 |
| Jan 31, 2009 | 43.81 |
| Dec 31, 2008 | 44.59 |
| Nov 30, 2008 | 44.37 |
| Oct 31, 2008 | 43.76 |
| Sep 30, 2008 | 43.55 |
| Aug 31, 2008 | 43.42 |
| Jul 31, 2008 | 43.17 |
| Jun 30, 2008 | 43.33 |
| May 31, 2008 | 43.56 |
| Apr 30, 2008 | 43.71 |
| Mar 31, 2008 | 43.77 |
| Feb 29, 2008 | 43.85 |
| Jan 31, 2008 | 43.68 |
| Dec 31, 2007 | 43.60 |
| Nov 30, 2007 | 43.18 |
| Oct 31, 2007 | 43.03 |
| Sep 30, 2007 | 42.73 |
| Aug 31, 2007 | 42.42 |
| Jul 31, 2007 | 41.91 |
| Jun 30, 2007 | 41.48 |
| May 31, 2007 | 41.20 |
| Apr 30, 2007 | 41.09 |
| Mar 31, 2007 | 41.00 |
| Feb 28, 2007 | 41.04 |
| Jan 31, 2007 | 40.93 |
| Dec 31, 2006 | 40.72 |
| Nov 30, 2006 | 40.35 |
| Oct 31, 2006 | 39.86 |
| Sep 30, 2006 | 39.22 |
| Aug 31, 2006 | 38.67 |
| Jul 31, 2006 | 38.39 |
| Jun 30, 2006 | 38.14 |
| May 31, 2006 | 37.86 |
| Apr 30, 2006 | 37.69 |
| Mar 31, 2006 | 37.66 |
| Feb 28, 2006 | 37.55 |
| Jan 31, 2006 | 37.31 |
| Dec 31, 2005 | 37.28 |
| Nov 30, 2005 | 36.71 |
| Oct 31, 2005 | 36.00 |
| Sep 30, 2005 | 35.66 |
| Aug 31, 2005 | 35.79 |
| Jul 31, 2005 | 35.67 |
| Jun 30, 2005 | 35.53 |
| May 31, 2005 | 35.15 |
| Apr 30, 2005 | 34.72 |
| Mar 31, 2005 | 34.55 |
| Feb 28, 2005 | 34.37 |
| Jan 31, 2005 | 34.12 |
| Dec 31, 2004 | 33.74 |
| Nov 30, 2004 | 33.45 |
| Oct 31, 2004 | 33.31 |
| Sep 30, 2004 | 33.32 |
| Aug 31, 2004 | 33.07 |
| Jul 31, 2004 | 32.76 |
| Jun 30, 2004 | 32.38 |
| May 31, 2004 | 32.15 |
| Apr 30, 2004 | 32.00 |
| Mar 31, 2004 | 31.76 |
| Feb 29, 2004 | 31.59 |
| Jan 31, 2004 | 31.38 |
| Dec 31, 2003 | 31.15 |
| Nov 30, 2003 | 30.64 |
| Oct 31, 2003 | 30.08 |
| Sep 30, 2003 | 29.57 |
| Aug 31, 2003 | 29.42 |
| Jul 31, 2003 | 29.28 |
| Jun 30, 2003 | 29.06 |
| May 31, 2003 | 29.12 |
| Apr 30, 2003 | 29.11 |
| Mar 31, 2003 | 29.08 |
| Feb 28, 2003 | 29.17 |
| Jan 31, 2003 | 29.30 |
| Dec 31, 2002 | 29.34 |
| Nov 30, 2002 | 29.11 |
| Oct 31, 2002 | 28.94 |
| Sep 30, 2002 | 28.82 |
| Aug 31, 2002 | 29.02 |
| Jul 31, 2002 | 29.26 |
| Jun 30, 2002 | 29.44 |
| May 31, 2002 | 29.27 |
| Apr 30, 2002 | 29.08 |
| Mar 31, 2002 | 29.05 |
| Feb 28, 2002 | 29.22 |
| Jan 31, 2002 | 29.34 |
| Dec 31, 2001 | 29.41 |
| Nov 30, 2001 | 29.30 |
| Oct 31, 2001 | 29.24 |
| Sep 30, 2001 | 29.14 |
| Aug 31, 2001 | 29.24 |
| Jul 31, 2001 | 29.21 |
| Jun 30, 2001 | 29.10 |
| May 31, 2001 | 29.33 |
| Apr 30, 2001 | 29.64 |
| Mar 31, 2001 | 29.93 |
| Feb 28, 2001 | 30.19 |
| Jan 31, 2001 | 30.50 |
| Dec 31, 2000 | 30.88 |
| Nov 30, 2000 | 30.91 |
| Oct 31, 2000 | 30.97 |
| Sep 30, 2000 | 31.08 |
| Aug 31, 2000 | 31.47 |
| Jul 31, 2000 | 31.69 |
| Jun 30, 2000 | 31.99 |
| May 31, 2000 | 32.20 |
| Apr 30, 2000 | 32.27 |
| Mar 31, 2000 | 32.33 |
| Feb 29, 2000 | 32.55 |
| Jan 31, 2000 | 32.70 |
| Dec 31, 1999 | 32.75 |
| Nov 30, 1999 | 32.72 |
| Oct 31, 1999 | 32.70 |
| Sep 30, 1999 | 32.73 |
| Aug 31, 1999 | 32.76 |
| Jul 31, 1999 | 32.71 |
| Jun 30, 1999 | 32.68 |
| May 31, 1999 | 32.68 |
| Apr 30, 1999 | 32.68 |
| Mar 31, 1999 | 32.92 |
| Feb 28, 1999 | 32.85 |
| Jan 31, 1999 | 32.72 |
| Dec 31, 1998 | 32.63 |
| Nov 30, 1998 | 32.57 |
| Oct 31, 1998 | 32.54 |
| Sep 30, 1998 | 32.58 |
| Aug 31, 1998 | 32.49 |
| Jul 31, 1998 | 32.40 |
| Jun 30, 1998 | 32.31 |
| May 31, 1998 | 32.14 |
| Apr 30, 1998 | 31.99 |
| Mar 31, 1998 | 31.84 |
| Feb 28, 1998 | 31.80 |
| Jan 31, 1998 | 31.76 |
| Dec 31, 1997 | 31.73 |
| Nov 30, 1997 | 31.57 |
| Oct 31, 1997 | 31.44 |
| Sep 30, 1997 | 31.41 |
| Aug 31, 1997 | 31.37 |
| Jul 31, 1997 | 31.31 |
| Jun 30, 1997 | 31.23 |
| May 31, 1997 | 31.20 |
| Apr 30, 1997 | 31.11 |
| Mar 31, 1997 | 31.08 |
| Feb 28, 1997 | 31.05 |
| Jan 31, 1997 | 31.03 |
| Dec 31, 1996 | 31.02 |
| Nov 30, 1996 | 30.86 |
| Oct 31, 1996 | 30.75 |
| Sep 30, 1996 | 30.69 |
| Aug 31, 1996 | 30.51 |
| Jul 31, 1996 | 30.29 |
| Jun 30, 1996 | 30.08 |
| May 31, 1996 | 29.98 |
| Apr 30, 1996 | 29.92 |
| Mar 31, 1996 | 29.91 |
| Feb 29, 1996 | 29.84 |
| Jan 31, 1996 | 29.71 |
| Dec 31, 1995 | 29.66 |
| Nov 30, 1995 | 29.49 |
| Oct 31, 1995 | 29.32 |
| Sep 30, 1995 | 29.26 |
| Aug 31, 1995 | 29.16 |
| Jul 31, 1995 | 29.09 |
| Jun 30, 1995 | 28.93 |
| May 31, 1995 | 28.85 |
| Apr 30, 1995 | 28.77 |
| Mar 31, 1995 | 28.72 |
| Feb 28, 1995 | 28.82 |
| Jan 31, 1995 | 28.93 |
| Dec 31, 1994 | 29.05 |
| Nov 30, 1994 | 28.87 |
| Oct 31, 1994 | 28.73 |
| Sep 30, 1994 | 28.56 |
| Aug 31, 1994 | 28.57 |
| Jul 31, 1994 | 28.63 |
| Jun 30, 1994 | 28.64 |
| May 31, 1994 | 28.64 |
| Apr 30, 1994 | 28.56 |
| Mar 31, 1994 | 28.51 |
| Feb 28, 1994 | 28.51 |
| Jan 31, 1994 | 28.50 |
| Dec 31, 1993 | 28.48 |
| Nov 30, 1993 | 28.44 |
| Oct 31, 1993 | 28.42 |
| Sep 30, 1993 | 28.49 |
| Aug 31, 1993 | 28.55 |
| Jul 31, 1993 | 28.63 |
| Jun 30, 1993 | 28.64 |
| May 31, 1993 | 28.64 |
| Apr 30, 1993 | 28.65 |
| Mar 31, 1993 | 28.70 |
| Feb 28, 1993 | 28.72 |
| Jan 31, 1993 | 28.75 |
| Dec 31, 1992 | 28.82 |
| Nov 30, 1992 | 28.81 |
| Oct 31, 1992 | 28.86 |
| Sep 30, 1992 | 28.97 |
| Aug 31, 1992 | 28.99 |
| Jul 31, 1992 | 29.01 |
| Jun 30, 1992 | 29.02 |
| May 31, 1992 | 29.12 |
| Apr 30, 1992 | 29.17 |
| Mar 31, 1992 | 29.21 |
| Feb 29, 1992 | 29.27 |
| Jan 31, 1992 | 29.28 |
| Dec 31, 1991 | 29.22 |
| Nov 30, 1991 | 29.30 |
| Oct 31, 1991 | 29.44 |
| Sep 30, 1991 | 29.54 |
| Aug 31, 1991 | 29.57 |
| Jul 31, 1991 | 29.55 |
| Jun 30, 1991 | 29.49 |
| May 31, 1991 | 29.55 |
| Apr 30, 1991 | 29.61 |
| Mar 31, 1991 | 29.62 |
| Feb 28, 1991 | 29.65 |
| Jan 31, 1991 | 29.67 |
| Dec 31, 1990 | 29.83 |
| Nov 30, 1990 | 29.62 |
| Oct 31, 1990 | 29.48 |
| Sep 30, 1990 | 29.45 |
| Aug 31, 1990 | 29.55 |
| Jul 31, 1990 | 29.68 |
| Jun 30, 1990 | 29.65 |
| May 31, 1990 | 29.51 |
| Apr 30, 1990 | 29.29 |
| Mar 31, 1990 | 29.04 |
| Feb 28, 1990 | 28.97 |
| Jan 31, 1990 | 28.88 |
| Dec 31, 1989 | 28.95 |
| Nov 30, 1989 | 28.71 |
| Oct 31, 1989 | 28.50 |
| Sep 30, 1989 | 28.36 |
| Aug 31, 1989 | 28.12 |
| Jul 31, 1989 | 27.85 |
| Jun 30, 1989 | 27.59 |
| May 31, 1989 | 27.34 |
| Apr 30, 1989 | 27.17 |
| Mar 31, 1989 | 27.03 |
| Feb 28, 1989 | 26.95 |
| Jan 31, 1989 | 26.82 |
| Dec 31, 1988 | 26.72 |
| Nov 30, 1988 | 26.46 |
| Oct 31, 1988 | 26.24 |
| Sep 30, 1988 | 26.08 |
| Aug 31, 1988 | 26.04 |
| Jul 31, 1988 | 25.93 |
| Jun 30, 1988 | 25.83 |
| May 31, 1988 | 25.68 |
| Apr 30, 1988 | 25.50 |
| Mar 31, 1988 | 25.37 |
| Feb 29, 1988 | 25.34 |
| Jan 31, 1988 | 25.28 |
| Dec 31, 1987 | 25.21 |
| Nov 30, 1987 | 25.07 |
| Oct 31, 1987 | 24.94 |
| Sep 30, 1987 | 24.87 |
| Aug 31, 1987 | 24.86 |
| Jul 31, 1987 | 24.86 |
| Jun 30, 1987 | 24.79 |
| May 31, 1987 | 24.70 |
| Apr 30, 1987 | 24.61 |
| Mar 31, 1987 | 24.57 |
| Feb 28, 1987 | 24.62 |
| Jan 31, 1987 | 24.65 |
| Dec 31, 1986 | 24.74 |
| Nov 30, 1986 | 24.72 |
| Oct 31, 1986 | 24.69 |
| Sep 30, 1986 | 24.66 |
| Aug 31, 1986 | 24.64 |
| Jul 31, 1986 | 24.56 |
| Jun 30, 1986 | 24.43 |
| May 31, 1986 | 24.48 |
| Apr 30, 1986 | 24.47 |
| Mar 31, 1986 | 24.34 |
| Feb 28, 1986 | 24.11 |
| Jan 31, 1986 | 23.92 |
| Dec 31, 1985 | 23.87 |
| Nov 30, 1985 | 23.87 |
| Oct 31, 1985 | 23.88 |
| Sep 30, 1985 | 23.90 |
| Aug 31, 1985 | 23.87 |
| Jul 31, 1985 | 23.81 |
| Jun 30, 1985 | 23.75 |
| May 31, 1985 | 23.74 |
| Apr 30, 1985 | 23.74 |
| Mar 31, 1985 | 23.77 |
| Feb 28, 1985 | 23.73 |
| Jan 31, 1985 | 23.70 |
| Dec 31, 1984 | 23.61 |
| Nov 30, 1984 | 23.46 |
| Oct 31, 1984 | 23.30 |
| Sep 30, 1984 | 23.21 |
| Aug 31, 1984 | 23.25 |
| Jul 31, 1984 | 23.26 |
| Jun 30, 1984 | 23.28 |
| May 31, 1984 | 23.21 |
| Apr 30, 1984 | 23.14 |
| Mar 31, 1984 | 23.11 |
| Feb 29, 1984 | 23.06 |
| Jan 31, 1984 | 23.07 |
| Dec 31, 1983 | 23.11 |
| Nov 30, 1983 | 23.04 |
| Oct 31, 1983 | 22.98 |
| Sep 30, 1983 | 22.95 |
| Aug 31, 1983 | 23.00 |
| Jul 31, 1983 | 23.01 |
| Jun 30, 1983 | 23.03 |
| May 31, 1983 | 23.07 |
| Apr 30, 1983 | 23.18 |
| Mar 31, 1983 | 23.31 |
| Feb 28, 1983 | 23.26 |
| Jan 31, 1983 | 23.24 |
| Dec 31, 1982 | 23.24 |
| Nov 30, 1982 | 23.13 |
| Oct 31, 1982 | 23.06 |
| Sep 30, 1982 | 23.10 |
| Aug 31, 1982 | 23.11 |
| Jul 31, 1982 | 23.11 |
| Jun 30, 1982 | 23.18 |
| May 31, 1982 | 23.37 |
| Apr 30, 1982 | 23.49 |
| Mar 31, 1982 | 23.48 |
| Feb 28, 1982 | 23.35 |
| Jan 31, 1982 | 23.32 |
| Dec 31, 1981 | 23.29 |
| Nov 30, 1981 | 23.24 |
| Oct 31, 1981 | 23.18 |
| Sep 30, 1981 | 23.10 |
| Aug 31, 1981 | 23.17 |
| Jul 31, 1981 | 23.19 |
| Jun 30, 1981 | 23.29 |
| May 31, 1981 | 23.36 |
| Apr 30, 1981 | 23.41 |
| Mar 31, 1981 | 23.43 |
| Feb 28, 1981 | 23.44 |
| Jan 31, 1981 | 23.53 |
| Dec 31, 1980 | 23.57 |
| Nov 30, 1980 | 23.67 |
| Oct 31, 1980 | 23.75 |
| Sep 30, 1980 | 23.86 |
| Aug 31, 1980 | 23.89 |
| Jul 31, 1980 | 23.89 |
| Jun 30, 1980 | 23.72 |
| May 31, 1980 | 23.79 |
| Apr 30, 1980 | 23.84 |
| Mar 31, 1980 | 23.91 |
| Feb 29, 1980 | 24.06 |
| Jan 31, 1980 | 24.19 |
| Dec 31, 1979 | 24.32 |
| Nov 30, 1979 | 24.38 |
| Oct 31, 1979 | 24.40 |
| Sep 30, 1979 | 24.39 |
| Aug 31, 1979 | 24.40 |
| Jul 31, 1979 | 24.38 |
| Jun 30, 1979 | 24.39 |
| May 31, 1979 | 24.45 |
| Apr 30, 1979 | 24.54 |
| Mar 31, 1979 | 24.60 |
| Feb 28, 1979 | 24.64 |
| Jan 31, 1979 | 24.72 |
| Dec 31, 1978 | 24.73 |
| Nov 30, 1978 | 24.76 |
| Oct 31, 1978 | 24.79 |
| Sep 30, 1978 | 24.93 |
| Aug 31, 1978 | 24.93 |
| Jul 31, 1978 | 24.86 |
| Jun 30, 1978 | 24.87 |
| May 31, 1978 | 24.95 |
| Apr 30, 1978 | 24.99 |
| Mar 31, 1978 | 25.00 |
| Feb 28, 1978 | 24.97 |
| Jan 31, 1978 | 24.90 |
| Dec 31, 1977 | 24.83 |
| Nov 30, 1977 | 24.61 |
| Oct 31, 1977 | 24.43 |
| Sep 30, 1977 | 24.20 |
| Aug 31, 1977 | 24.03 |
| Jul 31, 1977 | 23.85 |
| Jun 30, 1977 | 23.72 |
| May 31, 1977 | 23.57 |
| Apr 30, 1977 | 23.37 |
| Mar 31, 1977 | 23.25 |
| Feb 28, 1977 | 23.15 |
| Jan 31, 1977 | 23.12 |
| Dec 31, 1976 | 22.98 |
| Nov 30, 1976 | 22.68 |
| Oct 31, 1976 | 22.34 |
| Sep 30, 1976 | 22.07 |
| Aug 31, 1976 | 21.98 |
| Jul 31, 1976 | 21.92 |
| Jun 30, 1976 | 21.86 |
| May 31, 1976 | 21.84 |
| Apr 30, 1976 | 21.86 |
| Mar 31, 1976 | 21.80 |
| Feb 29, 1976 | 21.82 |
| Jan 31, 1976 | 21.88 |
| Dec 31, 1975 | 21.90 |
| Nov 30, 1975 | 22.03 |
| Oct 31, 1975 | 22.25 |
| Sep 30, 1975 | 22.44 |
| Aug 31, 1975 | 22.56 |
| Jul 31, 1975 | 22.60 |
| Jun 30, 1975 | 22.86 |
| May 31, 1975 | 22.95 |
| Apr 30, 1975 | 22.99 |
| Mar 31, 1975 | 23.00 |
| Feb 28, 1975 | 22.94 |
| Jan 31, 1975 | 22.96 |
| Dec 31, 1974 | 22.90 |
| Nov 30, 1974 | 23.06 |
| Oct 31, 1974 | 23.22 |
| Sep 30, 1974 | 23.43 |
| Aug 31, 1974 | 23.51 |
| Jul 31, 1974 | 23.60 |
| Jun 30, 1974 | 23.59 |
| May 31, 1974 | 23.64 |
| Apr 30, 1974 | 23.80 |
| Mar 31, 1974 | 23.76 |
| Feb 28, 1974 | 23.93 |
| Jan 31, 1974 | 24.09 |
| Dec 31, 1973 | 24.16 |
| Nov 30, 1973 | 24.05 |
| Oct 31, 1973 | 23.95 |
| Sep 30, 1973 | 23.89 |
| Aug 31, 1973 | 23.82 |
| Jul 31, 1973 | 24.13 |
| Jun 30, 1973 | 24.06 |
| May 31, 1973 | 24.10 |
| Apr 30, 1973 | 24.13 |
| Mar 31, 1973 | 24.17 |
| Feb 28, 1973 | 24.35 |
| Jan 31, 1973 | 24.47 |
| Dec 31, 1972 | 24.47 |
| Nov 30, 1972 | 24.35 |
| Oct 31, 1972 | 24.23 |
| Sep 30, 1972 | 24.16 |
| Aug 31, 1972 | 24.19 |
| Jul 31, 1972 | 24.22 |
| Jun 30, 1972 | 24.31 |
| May 31, 1972 | 24.37 |
| Apr 30, 1972 | 24.43 |
| Mar 31, 1972 | 24.49 |
| Feb 29, 1972 | 24.55 |
| Jan 31, 1972 | 24.67 |
| Dec 31, 1971 | 24.67 |
| Nov 30, 1971 | 24.84 |
| Oct 31, 1971 | 24.89 |
| Sep 30, 1971 | 25.01 |
| Aug 31, 1971 | 25.04 |
| Jul 31, 1971 | 25.12 |
| Jun 30, 1971 | 25.21 |
| May 31, 1971 | 25.43 |
| Apr 30, 1971 | 25.58 |
| Mar 31, 1971 | 25.67 |
| Feb 28, 1971 | 25.82 |
| Jan 31, 1971 | 25.97 |
| Dec 31, 1970 | 26.05 |
| Nov 30, 1970 | 26.32 |
| Oct 31, 1970 | 26.60 |
| Sep 30, 1970 | 26.87 |
| Aug 31, 1970 | 26.98 |
| Jul 31, 1970 | 26.95 |
| Jun 30, 1970 | 27.06 |
| May 31, 1970 | 27.18 |
| Apr 30, 1970 | 27.22 |
| Mar 31, 1970 | 27.40 |
| Feb 28, 1970 | 27.52 |
| Jan 31, 1970 | 27.63 |
| Dec 31, 1969 | 27.68 |
| Nov 30, 1969 | 27.80 |
| Oct 31, 1969 | 27.92 |
| Sep 30, 1969 | 28.04 |
| Aug 31, 1969 | 28.05 |
| Jul 31, 1969 | 28.15 |
| Jun 30, 1969 | 28.24 |
| May 31, 1969 | 28.30 |
| Apr 30, 1969 | 28.29 |
| Mar 31, 1969 | 28.36 |
| Feb 28, 1969 | 28.50 |
| Jan 31, 1969 | 28.57 |
| Dec 31, 1968 | 28.56 |
| Nov 30, 1968 | 28.51 |
| Oct 31, 1968 | 28.47 |
| Sep 30, 1968 | 28.51 |
| Aug 31, 1968 | 28.46 |
| Jul 31, 1968 | 28.42 |
| Jun 30, 1968 | 28.45 |
| May 31, 1968 | 28.49 |
| Apr 30, 1968 | 28.45 |
| Mar 31, 1968 | 28.40 |
| Feb 29, 1968 | 28.39 |
| Jan 31, 1968 | 28.37 |
| Dec 31, 1967 | 28.44 |
| Nov 30, 1967 | 28.53 |
| Oct 31, 1967 | 28.61 |
| Sep 30, 1967 | 28.70 |
| Aug 31, 1967 | 28.72 |
| Jul 31, 1967 | 28.74 |
| Jun 30, 1967 | 28.76 |
| May 31, 1967 | 28.84 |
| Apr 30, 1967 | 28.93 |
| Mar 31, 1967 | 29.02 |
| Feb 28, 1967 | 29.01 |
| Jan 31, 1967 | 28.91 |
| Dec 31, 1966 | 28.81 |
| Nov 30, 1966 | 28.87 |
| Oct 31, 1966 | 28.94 |
| Sep 30, 1966 | 29.18 |
| Aug 31, 1966 | 28.98 |
| Jul 31, 1966 | 28.96 |
| Jun 30, 1966 | 28.84 |
| May 31, 1966 | 28.76 |
| Apr 30, 1966 | 28.59 |
| Mar 31, 1966 | 28.60 |
| Feb 28, 1966 | 28.48 |
| Jan 31, 1966 | 28.45 |
| Dec 31, 1965 | 28.24 |
| Nov 30, 1965 | 28.13 |
| Oct 31, 1965 | 27.92 |
| Sep 30, 1965 | 27.80 |
| Aug 31, 1965 | 27.62 |
| Jul 31, 1965 | 27.45 |
| Jun 30, 1965 | 27.27 |
| May 31, 1965 | 27.24 |
| Apr 30, 1965 | 27.03 |
| Mar 31, 1965 | 26.90 |
| Feb 28, 1965 | 26.81 |
| Jan 31, 1965 | 26.64 |
| Dec 31, 1964 | 26.46 |
| Nov 30, 1964 | 26.25 |
| Oct 31, 1964 | 26.12 |
| Sep 30, 1964 | 25.91 |
| Aug 31, 1964 | 25.78 |
| Jul 31, 1964 | 25.48 |
| Jun 30, 1964 | 25.35 |
| May 31, 1964 | 25.26 |
| Apr 30, 1964 | 25.08 |
| Mar 31, 1964 | 24.90 |
| Feb 29, 1964 | 24.72 |
| Jan 31, 1964 | 24.54 |
| Dec 31, 1963 | 24.37 |
| Nov 30, 1963 | 24.19 |
| Oct 31, 1963 | 23.94 |
| Sep 30, 1963 | 23.77 |
| Aug 31, 1963 | 23.74 |
| Jul 31, 1963 | 23.70 |
| Jun 30, 1963 | 23.74 |
| May 31, 1963 | 23.64 |
| Apr 30, 1963 | 23.46 |
| Mar 31, 1963 | 23.28 |
| Feb 28, 1963 | 23.28 |
| Jan 31, 1963 | 23.21 |
| Dec 31, 1962 | 23.14 |
| Nov 30, 1962 | 22.96 |
| Oct 31, 1962 | 22.77 |
| Sep 30, 1962 | 22.59 |
| Aug 31, 1962 | 22.60 |
| Jul 31, 1962 | 22.52 |
| Jun 30, 1962 | 22.52 |
| May 31, 1962 | 22.45 |
| Apr 30, 1962 | 22.38 |
| Mar 31, 1962 | 22.38 |
| Feb 28, 1962 | 22.31 |
| Jan 31, 1962 | 22.31 |
| Dec 31, 1961 | 22.23 |
| Nov 30, 1961 | 22.01 |
| Oct 31, 1961 | 21.79 |
| Sep 30, 1961 | 21.57 |
| Aug 31, 1961 | 21.57 |
| Jul 31, 1961 | 21.43 |
| Jun 30, 1961 | 21.50 |
| May 31, 1961 | 21.50 |
| Apr 30, 1961 | 21.50 |
| Mar 31, 1961 | 21.50 |
| Feb 28, 1961 | 21.53 |
| Jan 31, 1961 | 21.57 |
| Dec 31, 1960 | 21.61 |
| Nov 30, 1960 | 21.61 |
| Oct 31, 1960 | 21.61 |
| Sep 30, 1960 | 21.75 |
| Aug 31, 1960 | 21.75 |
| Jul 31, 1960 | 21.75 |
| Jun 30, 1960 | 21.75 |
| May 31, 1960 | 21.79 |
| Apr 30, 1960 | 21.75 |
| Mar 31, 1960 | 21.79 |
| Feb 29, 1960 | 21.38 |
| Jan 31, 1960 | 21.04 |
| Dec 31, 1959 | 20.55 |
| Nov 30, 1959 | 20.48 |
| Oct 31, 1959 | 20.40 |
| Sep 30, 1959 | 20.40 |
| Aug 31, 1959 | 20.39 |
| Jul 31, 1959 | 20.32 |
| Jun 30, 1959 | 20.31 |
| May 31, 1959 | 20.31 |
| Apr 30, 1959 | 20.23 |
| Mar 31, 1959 | 20.22 |
| Feb 28, 1959 | 20.15 |
| Jan 31, 1959 | 20.00 |
| Dec 31, 1958 | 20.00 |
| Nov 30, 1958 | 19.85 |
| Oct 31, 1958 | 19.84 |
| Sep 30, 1958 | 19.77 |
| Aug 31, 1958 | 19.77 |
| Jul 31, 1958 | 19.70 |
| Jun 30, 1958 | 19.77 |
| May 31, 1958 | 19.92 |
| Apr 30, 1958 | 20.07 |
| Mar 31, 1958 | 20.29 |
| Feb 28, 1958 | 20.51 |
| Jan 31, 1958 | 20.59 |
| Dec 31, 1957 | 20.81 |
| Nov 30, 1957 | 20.70 |
| Oct 31, 1957 | 20.65 |
| Sep 30, 1957 | 20.54 |
| Aug 31, 1957 | 20.42 |
| Jul 31, 1957 | 20.30 |
| Jun 30, 1957 | 20.33 |
| May 31, 1957 | 20.40 |
| Apr 30, 1957 | 20.48 |
| Mar 31, 1957 | 20.55 |
| Feb 28, 1957 | 20.66 |
| Jan 31, 1957 | 20.78 |
| Dec 31, 1956 | 20.82 |
| Nov 30, 1956 | 21.29 |
| Oct 31, 1956 | 21.69 |
| Sep 30, 1956 | 22.17 |
| Aug 31, 1956 | 22.09 |
| Jul 31, 1956 | 21.85 |
| Jun 30, 1956 | 21.85 |
| May 31, 1956 | 21.73 |
| Apr 30, 1956 | 21.52 |
| Mar 31, 1956 | 21.32 |
| Feb 29, 1956 | 20.95 |
| Jan 31, 1956 | 20.58 |
| Dec 31, 1955 | 20.21 |
| Nov 30, 1955 | 20.05 |
| Oct 31, 1955 | 19.97 |
| Sep 30, 1955 | 19.89 |
| Aug 31, 1955 | 19.76 |
| Jul 31, 1955 | 19.55 |
| Jun 30, 1955 | 19.42 |
| May 31, 1955 | 19.38 |
| Apr 30, 1955 | 19.33 |
| Mar 31, 1955 | 19.29 |
| Feb 28, 1955 | 19.21 |
| Jan 31, 1955 | 19.13 |
| Dec 31, 1954 | 19.05 |
| Nov 30, 1954 | 18.69 |
| Oct 31, 1954 | 18.40 |
| Sep 30, 1954 | 18.11 |
| Aug 31, 1954 | 17.96 |
| Jul 31, 1954 | 17.88 |
| Jun 30, 1954 | 17.80 |
| May 31, 1954 | 17.88 |
| Apr 30, 1954 | 18.03 |
| Mar 31, 1954 | 18.05 |
| Feb 28, 1954 | 17.96 |
| Jan 31, 1954 | 17.88 |
| Dec 31, 1953 | 17.80 |
| Nov 30, 1953 | 17.68 |
| Oct 31, 1953 | 17.49 |
| Sep 30, 1953 | 17.43 |
| Aug 31, 1953 | 17.43 |
| Jul 31, 1953 | 17.50 |
| Jun 30, 1953 | 17.50 |
| May 31, 1953 | 17.52 |
| Apr 30, 1953 | 17.55 |
| Mar 31, 1953 | 17.50 |
| Feb 28, 1953 | 17.57 |
| Jan 31, 1953 | 17.50 |
| Dec 31, 1952 | 17.44 |
| Nov 30, 1952 | 17.60 |
| Oct 31, 1952 | 17.77 |
| Sep 30, 1952 | 17.93 |
| Aug 31, 1952 | 17.93 |
| Jul 31, 1952 | 17.93 |
| Jun 30, 1952 | 18.07 |
| May 31, 1952 | 18.01 |
| Apr 30, 1952 | 17.89 |
| Mar 31, 1952 | 17.83 |
| Feb 29, 1952 | 17.79 |
| Jan 31, 1952 | 17.61 |
| Dec 31, 1951 | 17.57 |
| Nov 30, 1951 | 18.10 |
| Oct 31, 1951 | 18.70 |
| Sep 30, 1951 | 19.23 |
| Aug 31, 1951 | 19.55 |
| Jul 31, 1951 | 19.72 |
| Jun 30, 1951 | 19.89 |
| May 31, 1951 | 19.72 |
| Apr 30, 1951 | 19.63 |
| Mar 31, 1951 | 19.45 |
| Feb 28, 1951 | 19.32 |
| Jan 31, 1951 | 19.33 |
| Dec 31, 1950 | 19.42 |
| Nov 30, 1950 | 19.03 |
| Oct 31, 1950 | 18.48 |
| Sep 30, 1950 | 18.00 |
| Aug 31, 1950 | 17.48 |
| Jul 31, 1950 | 17.04 |
| Jun 30, 1950 | 16.65 |
| May 31, 1950 | 16.58 |
| Apr 30, 1950 | 16.51 |
| Mar 31, 1950 | 16.37 |
| Feb 28, 1950 | 16.30 |
| Jan 31, 1950 | 16.16 |
| Dec 31, 1949 | 15.95 |
| Nov 30, 1949 | 15.35 |
| Oct 31, 1949 | 14.95 |
| Sep 30, 1949 | 14.37 |
| Aug 31, 1949 | 14.34 |
| Jul 31, 1949 | 14.30 |
| Jun 30, 1949 | 14.09 |
| May 31, 1949 | 13.97 |
| Apr 30, 1949 | 13.72 |
| Mar 31, 1949 | 13.60 |
| Feb 28, 1949 | 13.37 |
| Jan 31, 1949 | 13.03 |
| Dec 31, 1948 | 12.74 |
| Nov 30, 1948 | 12.42 |
| Oct 31, 1948 | 12.04 |
| Sep 30, 1948 | 11.73 |
| Aug 31, 1948 | 11.64 |
| Jul 31, 1948 | 11.59 |
| Jun 30, 1948 | 11.65 |
| May 31, 1948 | 11.74 |
| Apr 30, 1948 | 11.79 |
| Mar 31, 1948 | 11.99 |
| Feb 29, 1948 | 11.90 |
| Jan 31, 1948 | 11.75 |
| Dec 31, 1947 | 11.85 |
| Nov 30, 1947 | 11.77 |
| Oct 31, 1947 | 11.58 |
| Sep 30, 1947 | 11.34 |
| Aug 31, 1947 | 11.45 |
| Jul 31, 1947 | 11.45 |
| Jun 30, 1947 | 11.41 |
| May 31, 1947 | 11.26 |
| Apr 30, 1947 | 11.06 |
| Mar 31, 1947 | 10.86 |
| Feb 28, 1947 | 11.01 |
| Jan 31, 1947 | 10.96 |
| Dec 31, 1946 | 10.90 |
| Nov 30, 1946 | 10.90 |
| Oct 31, 1946 | 11.06 |
| Sep 30, 1946 | 11.17 |
| Aug 31, 1946 | 11.23 |
| Jul 31, 1946 | 11.40 |
| Jun 30, 1946 | 12.01 |
| May 31, 1946 | 12.14 |
| Apr 30, 1946 | 12.20 |
| Mar 31, 1946 | 12.27 |
| Feb 28, 1946 | 12.28 |
| Jan 31, 1946 | 12.10 |
| Dec 31, 1945 | 11.97 |
| Nov 30, 1945 | 12.04 |
| Oct 31, 1945 | 12.04 |
| Sep 30, 1945 | 12.04 |
| Aug 31, 1945 | 11.98 |
| Jul 31, 1945 | 11.92 |
| Jun 30, 1945 | 11.86 |
| May 31, 1945 | 11.99 |
| Apr 30, 1945 | 12.06 |
| Mar 31, 1945 | 12.06 |
| Feb 28, 1945 | 12.00 |
| Jan 31, 1945 | 11.93 |
| Dec 31, 1944 | 11.87 |
| Nov 30, 1944 | 11.94 |
| Oct 31, 1944 | 11.94 |
| Sep 30, 1944 | 11.94 |
| Aug 31, 1944 | 11.88 |
| Jul 31, 1944 | 11.82 |
| Jun 30, 1944 | 11.82 |
| May 31, 1944 | 11.82 |
| Apr 30, 1944 | 11.76 |
| Mar 31, 1944 | 11.77 |
| Feb 29, 1944 | 11.70 |
| Jan 31, 1944 | 11.64 |
| Dec 31, 1943 | 11.58 |
| Nov 30, 1943 | 11.51 |
| Oct 31, 1943 | 11.45 |
| Sep 30, 1943 | 11.39 |
| Aug 31, 1943 | 11.39 |
| Jul 31, 1943 | 11.26 |
| Jun 30, 1943 | 11.13 |
| May 31, 1943 | 11.13 |
| Apr 30, 1943 | 11.20 |
| Mar 31, 1943 | 11.33 |
| Feb 28, 1943 | 11.53 |
| Jan 31, 1943 | 11.53 |
| Dec 31, 1942 | 11.53 |
| Nov 30, 1942 | 11.79 |
| Oct 31, 1942 | 12.06 |
| Sep 30, 1942 | 12.41 |
| Aug 31, 1942 | 12.67 |
| Jul 31, 1942 | 13.02 |
| Jun 30, 1942 | 13.37 |
| May 31, 1942 | 13.57 |
| Apr 30, 1942 | 13.95 |
| Mar 31, 1942 | 14.24 |
| Feb 28, 1942 | 14.56 |
| Jan 31, 1942 | 14.79 |
| Dec 31, 1941 | 15.13 |
| Nov 30, 1941 | 15.15 |
| Oct 31, 1941 | 15.18 |
| Sep 30, 1941 | 15.31 |
| Aug 31, 1941 | 15.44 |
| Jul 31, 1941 | 15.57 |
| Jun 30, 1941 | 15.50 |
| May 31, 1941 | 15.75 |
| Apr 30, 1941 | 15.78 |
| Mar 31, 1941 | 15.81 |
| Feb 28, 1941 | 15.85 |
| Jan 31, 1941 | 15.77 |
| Dec 31, 1940 | 15.69 |
| Nov 30, 1940 | 15.80 |
| Oct 31, 1940 | 15.80 |
| Sep 30, 1940 | 15.80 |
| Aug 31, 1940 | 15.65 |
| Jul 31, 1940 | 15.49 |
| Jun 30, 1940 | 15.22 |
| May 31, 1940 | 15.17 |
| Apr 30, 1940 | 15.02 |
| Mar 31, 1940 | 14.86 |
| Feb 29, 1940 | 14.78 |
| Jan 31, 1940 | 14.81 |
| Dec 31, 1939 | 14.62 |
| Nov 30, 1939 | 14.15 |
| Oct 31, 1939 | 13.68 |
| Sep 30, 1939 | 13.11 |
| Aug 31, 1939 | 13.16 |
| Jul 31, 1939 | 12.92 |
| Jun 30, 1939 | 12.68 |
| May 31, 1939 | 12.60 |
| Apr 30, 1939 | 12.52 |
| Mar 31, 1939 | 12.35 |
| Feb 28, 1939 | 12.27 |
| Jan 31, 1939 | 12.11 |
| Dec 31, 1938 | 12.03 |
| Nov 30, 1938 | 13.21 |
| Oct 31, 1938 | 14.39 |
| Sep 30, 1938 | 15.46 |
| Aug 31, 1938 | 16.08 |
| Jul 31, 1938 | 16.71 |
| Jun 30, 1938 | 17.33 |
| May 31, 1938 | 17.64 |
| Apr 30, 1938 | 17.83 |
| Mar 31, 1938 | 18.27 |
| Feb 28, 1938 | 18.42 |
| Jan 31, 1938 | 18.45 |
| Dec 31, 1937 | 18.35 |
| Nov 30, 1937 | 17.99 |
| Oct 31, 1937 | 17.64 |
| Sep 30, 1937 | 17.42 |
| Aug 31, 1937 | 18.07 |
| Jul 31, 1937 | 18.60 |
| Jun 30, 1937 | 19.26 |
| May 31, 1937 | 18.57 |
| Apr 30, 1937 | 18.01 |
| Mar 31, 1937 | 17.44 |
| Feb 28, 1937 | 17.33 |
| Jan 31, 1937 | 17.10 |
| Dec 31, 1936 | 16.98 |
| Nov 30, 1936 | 16.12 |
| Oct 31, 1936 | 15.25 |
| Sep 30, 1936 | 14.39 |
| Aug 31, 1936 | 13.92 |
| Jul 31, 1936 | 13.54 |
| Jun 30, 1936 | 13.16 |
| May 31, 1936 | 12.85 |
| Apr 30, 1936 | 12.45 |
| Mar 31, 1936 | 12.05 |
| Feb 29, 1936 | 11.72 |
| Jan 31, 1936 | 11.49 |
| Dec 31, 1935 | 11.25 |
| Nov 30, 1935 | 11.01 |
| Oct 31, 1935 | 10.85 |
| Sep 30, 1935 | 10.61 |
| Aug 31, 1935 | 10.61 |
| Jul 31, 1935 | 10.61 |
| Jun 30, 1935 | 10.61 |
| May 31, 1935 | 10.61 |
| Apr 30, 1935 | 10.69 |
| Mar 31, 1935 | 10.85 |
| Feb 28, 1935 | 10.85 |
| Jan 31, 1935 | 10.93 |
| Dec 31, 1934 | 11.09 |
| Nov 30, 1934 | 10.99 |
| Oct 31, 1934 | 10.97 |
| Sep 30, 1934 | 10.87 |
| Aug 31, 1934 | 11.01 |
| Jul 31, 1934 | 10.99 |
| Jun 30, 1934 | 10.97 |
| May 31, 1934 | 11.03 |
| Apr 30, 1934 | 11.01 |
| Mar 31, 1934 | 10.99 |
| Feb 28, 1934 | 10.97 |
| Jan 31, 1934 | 11.03 |
| Dec 31, 1933 | 11.01 |
| Nov 30, 1933 | 11.13 |
| Oct 31, 1933 | 11.26 |
| Sep 30, 1933 | 11.38 |
| Aug 31, 1933 | 11.51 |
| Jul 31, 1933 | 11.72 |
| Jun 30, 1933 | 12.22 |
| May 31, 1933 | 12.45 |
| Apr 30, 1933 | 12.58 |
| Mar 31, 1933 | 12.71 |
| Feb 28, 1933 | 12.74 |
| Jan 31, 1933 | 12.67 |
| Dec 31, 1932 | 12.60 |
| Nov 30, 1932 | 13.18 |
| Oct 31, 1932 | 13.74 |
| Sep 30, 1932 | 14.29 |
| Aug 31, 1932 | 14.84 |
| Jul 31, 1932 | 15.38 |
| Jun 30, 1932 | 16.03 |
| May 31, 1932 | 16.55 |
| Apr 30, 1932 | 16.95 |
| Mar 31, 1932 | 17.45 |
| Feb 29, 1932 | 17.96 |
| Jan 31, 1932 | 18.32 |
| Dec 31, 1931 | 18.55 |
| Nov 30, 1931 | 18.72 |
| Oct 31, 1931 | 18.76 |
| Sep 30, 1931 | 18.93 |
| Aug 31, 1931 | 19.10 |
| Jul 31, 1931 | 19.39 |
| Jun 30, 1931 | 19.68 |
| May 31, 1931 | 19.71 |
| Apr 30, 1931 | 19.74 |
| Mar 31, 1931 | 19.90 |
| Feb 28, 1931 | 20.05 |
| Jan 31, 1931 | 20.08 |
| Dec 31, 1930 | 20.10 |
| Nov 30, 1930 | 19.72 |
| Oct 31, 1930 | 19.58 |
| Sep 30, 1930 | 19.44 |
| Aug 31, 1930 | 19.55 |
| Jul 31, 1930 | 19.41 |
| Jun 30, 1930 | 19.16 |
| May 31, 1930 | 19.04 |
| Apr 30, 1930 | 18.91 |
| Mar 31, 1930 | 19.00 |
| Feb 28, 1930 | 18.87 |
| Jan 31, 1930 | 18.75 |
| Dec 31, 1929 | 18.62 |
| Nov 30, 1929 | 18.32 |
| Oct 31, 1929 | 18.13 |
| Sep 30, 1929 | 17.94 |
| Aug 31, 1929 | 17.75 |
| Jul 31, 1929 | 17.56 |
| Jun 30, 1929 | 17.57 |
| May 31, 1929 | 17.48 |
| Apr 30, 1929 | 17.39 |
| Mar 31, 1929 | 17.09 |
| Feb 28, 1929 | 16.80 |
| Jan 31, 1929 | 16.61 |
| Dec 31, 1928 | 16.41 |
| Nov 30, 1928 | 16.19 |
| Oct 31, 1928 | 16.06 |
| Sep 30, 1928 | 15.84 |
| Aug 31, 1928 | 15.90 |
| Jul 31, 1928 | 15.77 |
| Jun 30, 1928 | 15.64 |
| May 31, 1928 | 15.42 |
| Apr 30, 1928 | 15.38 |
| Mar 31, 1928 | 15.26 |
| Feb 29, 1928 | 15.13 |
| Jan 31, 1928 | 14.83 |
| Dec 31, 1927 | 14.70 |
| Nov 30, 1927 | 14.57 |
| Oct 31, 1927 | 14.36 |
| Sep 30, 1927 | 14.32 |
| Aug 31, 1927 | 14.27 |
| Jul 31, 1927 | 14.06 |
| Jun 30, 1927 | 13.70 |
| May 31, 1927 | 13.73 |
| Apr 30, 1927 | 13.68 |
| Mar 31, 1927 | 13.55 |
| Feb 28, 1927 | 13.35 |
| Jan 31, 1927 | 13.15 |
| Dec 31, 1926 | 12.87 |
| Nov 30, 1926 | 12.73 |
| Oct 31, 1926 | 12.66 |
| Sep 30, 1926 | 12.60 |
| Aug 31, 1926 | 12.53 |
| Jul 31, 1926 | 12.31 |
| Jun 30, 1926 | 12.03 |
| May 31, 1926 | 11.83 |
| Apr 30, 1926 | 11.62 |
| Mar 31, 1926 | 11.55 |
| Feb 28, 1926 | 11.35 |
| Jan 31, 1926 | 11.21 |
| Dec 31, 1925 | 11.07 |
| Nov 30, 1925 | 10.93 |
| Oct 31, 1925 | 11.04 |
| Sep 30, 1925 | 10.96 |
| Aug 31, 1925 | 10.88 |
| Jul 31, 1925 | 10.81 |
| Jun 30, 1925 | 10.85 |
| May 31, 1925 | 10.90 |
| Apr 30, 1925 | 10.88 |
| Mar 31, 1925 | 10.74 |
| Feb 28, 1925 | 10.72 |
| Jan 31, 1925 | 10.58 |
| Dec 31, 1924 | 10.50 |
| Nov 30, 1924 | 10.53 |
| Oct 31, 1924 | 10.50 |
| Sep 30, 1924 | 10.52 |
| Aug 31, 1924 | 10.55 |
| Jul 31, 1924 | 10.46 |
| Jun 30, 1924 | 10.49 |
| May 31, 1924 | 10.46 |
| Apr 30, 1924 | 10.43 |
| Mar 31, 1924 | 10.33 |
| Feb 29, 1924 | 10.24 |
| Jan 31, 1924 | 10.15 |
| Dec 31, 1923 | 10.12 |
| Nov 30, 1923 | 10.08 |
| Oct 31, 1923 | 10.05 |
| Sep 30, 1923 | 10.08 |
| Aug 31, 1923 | 10.11 |
| Jul 31, 1923 | 10.02 |
| Jun 30, 1923 | 10.10 |
| May 31, 1923 | 10.13 |
| Apr 30, 1923 | 10.10 |
| Mar 31, 1923 | 10.12 |
| Feb 28, 1923 | 10.09 |
| Jan 31, 1923 | 10.06 |
| Dec 31, 1922 | 9.97 |
| Nov 30, 1922 | 9.94 |
| Oct 31, 1922 | 9.92 |
| Sep 30, 1922 | 9.90 |
| Aug 31, 1922 | 9.81 |
| Jul 31, 1922 | 9.62 |
| Jun 30, 1922 | 9.59 |
| May 31, 1922 | 9.51 |
| Apr 30, 1922 | 9.43 |
| Mar 31, 1922 | 9.34 |
| Feb 28, 1922 | 9.15 |
| Jan 31, 1922 | 9.07 |
| Dec 31, 1921 | 8.78 |
| Nov 30, 1921 | 8.81 |
| Oct 31, 1921 | 8.84 |
| Sep 30, 1921 | 8.92 |
| Aug 31, 1921 | 8.89 |
| Jul 31, 1921 | 8.97 |
| Jun 30, 1921 | 9.10 |
| May 31, 1921 | 9.13 |
| Apr 30, 1921 | 9.00 |
| Mar 31, 1921 | 8.98 |
| Feb 28, 1921 | 9.00 |
| Jan 31, 1921 | 8.79 |
| Dec 31, 1920 | 8.68 |
| Nov 30, 1920 | 8.53 |
| Oct 31, 1920 | 8.52 |
| Sep 30, 1920 | 8.50 |
| Aug 31, 1920 | 8.40 |
| Jul 31, 1920 | 8.23 |
| Jun 30, 1920 | 8.22 |
| May 31, 1920 | 8.36 |
| Apr 30, 1920 | 8.51 |
| Mar 31, 1920 | 8.80 |
| Feb 29, 1920 | 8.92 |
| Jan 31, 1920 | 9.04 |
| Dec 31, 1919 | 9.26 |
| Nov 30, 1919 | 9.52 |
| Oct 31, 1919 | 9.79 |
| Sep 30, 1919 | 10.02 |
| Aug 31, 1919 | 10.14 |
| Jul 31, 1919 | 10.38 |
| Jun 30, 1919 | 10.75 |
| May 31, 1919 | 10.81 |
| Apr 30, 1919 | 11.01 |
| Mar 31, 1919 | 11.28 |
| Feb 28, 1919 | 11.48 |
| Jan 31, 1919 | 11.34 |
| Dec 31, 1918 | 11.41 |
| Nov 30, 1918 | 11.75 |
| Oct 31, 1918 | 12.18 |
| Sep 30, 1918 | 12.62 |
| Aug 31, 1918 | 13.08 |
| Jul 31, 1918 | 13.56 |
| Jun 30, 1918 | 14.15 |
| May 31, 1918 | 14.57 |
| Apr 30, 1918 | 15.12 |
| Mar 31, 1918 | 15.57 |
| Feb 28, 1918 | 15.69 |
| Jan 31, 1918 | 16.04 |
| Dec 31, 1917 | 16.63 |
| Nov 30, 1917 | 16.61 |
| Oct 31, 1917 | 16.35 |
| Sep 30, 1917 | 16.32 |
| Aug 31, 1917 | 16.43 |
| Jul 31, 1917 | 16.40 |
| Jun 30, 1917 | 15.88 |
| May 31, 1917 | 15.85 |
| Apr 30, 1917 | 15.81 |
| Mar 31, 1917 | 16.30 |
| Feb 28, 1917 | 16.01 |
| Jan 31, 1917 | 16.11 |
| Dec 31, 1916 | 15.94 |
| Nov 30, 1916 | 15.77 |
| Oct 31, 1916 | 15.73 |
| Sep 30, 1916 | 15.69 |
| Aug 31, 1916 | 15.65 |
| Jul 31, 1916 | 15.46 |
| Jun 30, 1916 | 15.13 |
| May 31, 1916 | 14.94 |
| Apr 30, 1916 | 14.74 |
| Mar 31, 1916 | 14.55 |
| Feb 29, 1916 | 14.34 |
| Jan 31, 1916 | 14.00 |
| Dec 31, 1915 | 13.79 |
| Nov 30, 1915 | 13.76 |
| Oct 31, 1915 | 13.87 |
| Sep 30, 1915 | 13.98 |
| Aug 31, 1915 | 13.95 |
| Jul 31, 1915 | 13.92 |
| Jun 30, 1915 | 13.90 |
| May 31, 1915 | 13.87 |
| Apr 30, 1915 | 13.98 |
| Mar 31, 1915 | 14.09 |
| Feb 28, 1915 | 13.93 |
| Jan 31, 1915 | 13.76 |
| Dec 31, 1914 | 13.73 |
| Nov 30, 1914 | 13.76 |
| Oct 31, 1914 | 14.06 |
| Sep 30, 1914 | 14.08 |
| Aug 31, 1914 | 14.24 |
| Jul 31, 1914 | 14.69 |
| Jun 30, 1914 | 15.01 |
| May 31, 1914 | 15.18 |
| Apr 30, 1914 | 15.50 |
| Mar 31, 1914 | 15.51 |
| Feb 28, 1914 | 15.68 |
| Jan 31, 1914 | 15.69 |
| Dec 31, 1913 | 15.85 |
| Nov 30, 1913 | 15.69 |
| Oct 31, 1913 | 15.85 |
| Sep 30, 1913 | 15.85 |
| Aug 31, 1913 | 16.01 |
| Jul 31, 1913 | 16.01 |
| Jun 30, 1913 | 16.17 |
| May 31, 1913 | 16.34 |
| Apr 30, 1913 | 16.17 |
| Mar 31, 1913 | 16.17 |
| Feb 28, 1913 | 16.17 |
| Jan 31, 1913 | 16.17 |
| Dec 31, 1912 | 16.34 |
| Nov 30, 1912 | 16.15 |
| Oct 31, 1912 | 16.12 |
| Sep 30, 1912 | 16.09 |
| Aug 31, 1912 | 16.23 |
| Jul 31, 1912 | 16.35 |
| Jun 30, 1912 | 16.32 |
| May 31, 1912 | 16.14 |
| Apr 30, 1912 | 16.11 |
| Mar 31, 1912 | 16.56 |
| Feb 29, 1912 | 16.88 |
| Jan 31, 1912 | 17.03 |
| Dec 31, 1911 | 17.17 |
| Nov 30, 1911 | 17.00 |
| Oct 31, 1911 | 16.81 |
| Sep 30, 1911 | 16.81 |
| Aug 31, 1911 | 17.00 |
| Jul 31, 1911 | 17.54 |
| Jun 30, 1911 | 17.74 |
| May 31, 1911 | 17.74 |
| Apr 30, 1911 | 17.74 |
| Mar 31, 1911 | 17.17 |
| Feb 28, 1911 | 17.36 |
| Jan 31, 1911 | 16.81 |
| Dec 31, 1910 | 16.81 |
| Nov 30, 1910 | 16.73 |
| Oct 31, 1910 | 16.30 |
| Sep 30, 1910 | 15.74 |
| Aug 31, 1910 | 15.50 |
| Jul 31, 1910 | 15.26 |
| Jun 30, 1910 | 15.18 |
| May 31, 1910 | 14.96 |
| Apr 30, 1910 | 14.60 |
| Mar 31, 1910 | 14.65 |
| Feb 28, 1910 | 14.84 |
| Jan 31, 1910 | 14.76 |
| Dec 31, 1909 | 14.54 |
| Nov 30, 1909 | 14.57 |
| Oct 31, 1909 | 14.60 |
| Sep 30, 1909 | 14.78 |
| Aug 31, 1909 | 14.82 |
| Jul 31, 1909 | 14.84 |
| Jun 30, 1909 | 14.72 |
| May 31, 1909 | 14.76 |
| Apr 30, 1909 | 14.79 |
| Mar 31, 1909 | 14.98 |
| Feb 28, 1909 | 14.86 |
| Jan 31, 1909 | 14.90 |
| Dec 31, 1908 | 14.61 |
| Nov 30, 1908 | 14.90 |
| Oct 31, 1908 | 15.17 |
| Sep 30, 1908 | 15.47 |
| Aug 31, 1908 | 15.60 |
| Jul 31, 1908 | 15.73 |
| Jun 30, 1908 | 16.01 |
| May 31, 1908 | 16.14 |
| Apr 30, 1908 | 16.27 |
| Mar 31, 1908 | 16.59 |
| Feb 29, 1908 | 16.72 |
| Jan 31, 1908 | 16.65 |
| Dec 31, 1907 | 16.60 |
| Nov 30, 1907 | 16.13 |
| Oct 31, 1907 | 15.35 |
| Sep 30, 1907 | 15.38 |
| Aug 31, 1907 | 15.27 |
| Jul 31, 1907 | 15.14 |
| Jun 30, 1907 | 15.03 |
| May 31, 1907 | 15.07 |
| Apr 30, 1907 | 15.27 |
| Mar 31, 1907 | 15.14 |
| Feb 28, 1907 | 14.86 |
| Jan 31, 1907 | 15.05 |
| Dec 31, 1906 | 14.77 |
| Nov 30, 1906 | 14.71 |
| Oct 31, 1906 | 14.65 |
| Sep 30, 1906 | 14.76 |
| Aug 31, 1906 | 14.69 |
| Jul 31, 1906 | 14.79 |
| Jun 30, 1906 | 14.08 |
| May 31, 1906 | 13.86 |
| Apr 30, 1906 | 13.77 |
| Mar 31, 1906 | 13.55 |
| Feb 28, 1906 | 13.32 |
| Jan 31, 1906 | 13.09 |
| Dec 31, 1905 | 12.87 |
| Nov 30, 1905 | 12.95 |
| Oct 31, 1905 | 13.03 |
| Sep 30, 1905 | 12.96 |
| Aug 31, 1905 | 12.75 |
| Jul 31, 1905 | 12.83 |
| Jun 30, 1905 | 12.76 |
| May 31, 1905 | 12.69 |
| Apr 30, 1905 | 12.49 |
| Mar 31, 1905 | 12.43 |
| Feb 28, 1905 | 12.21 |
| Jan 31, 1905 | 12.15 |
| Dec 31, 1904 | 12.09 |
| Nov 30, 1904 | 12.21 |
| Oct 31, 1904 | 12.63 |
| Sep 30, 1904 | 12.76 |
| Aug 31, 1904 | 13.05 |
| Jul 31, 1904 | 13.34 |
| Jun 30, 1904 | 13.47 |
| May 31, 1904 | 13.60 |
| Apr 30, 1904 | 13.43 |
| Mar 31, 1904 | 13.41 |
| Feb 29, 1904 | 13.38 |
| Jan 31, 1904 | 13.83 |
| Dec 31, 1903 | 14.29 |
| Nov 30, 1903 | 14.22 |
| Oct 31, 1903 | 14.00 |
| Sep 30, 1903 | 13.76 |
| Aug 31, 1903 | 13.86 |
| Jul 31, 1903 | 13.79 |
| Jun 30, 1903 | 13.73 |
| May 31, 1903 | 13.66 |
| Apr 30, 1903 | 13.28 |
| Mar 31, 1903 | 13.22 |
| Feb 28, 1903 | 12.71 |
| Jan 31, 1903 | 12.65 |
| Dec 31, 1902 | 12.73 |
| Nov 30, 1902 | 12.83 |
| Oct 31, 1902 | 12.39 |
| Sep 30, 1902 | 13.22 |
| Aug 31, 1902 | 13.34 |
| Jul 31, 1902 | 13.15 |
| Jun 30, 1902 | 13.12 |
| May 31, 1902 | 13.23 |
| Apr 30, 1902 | 13.36 |
| Mar 31, 1902 | 13.48 |
| Feb 28, 1902 | 13.45 |
| Jan 31, 1902 | 13.41 |
| Dec 31, 1901 | 13.23 |
| Nov 30, 1901 | 13.30 |
| Oct 31, 1901 | 13.41 |
| Sep 30, 1901 | 13.34 |
| Aug 31, 1901 | 13.42 |
| Jul 31, 1901 | 13.53 |
| Jun 30, 1901 | 13.61 |
| May 31, 1901 | 13.54 |
| Apr 30, 1901 | 13.47 |
| Mar 31, 1901 | 13.23 |
| Feb 28, 1901 | 13.16 |
| Jan 31, 1901 | 12.92 |
| Dec 31, 1900 | 13.02 |
| Nov 30, 1900 | 12.53 |
| Oct 31, 1900 | 12.21 |
| Sep 30, 1900 | 11.75 |
| Aug 31, 1900 | 11.56 |
| Jul 31, 1900 | 11.11 |
| Jun 30, 1900 | 10.92 |
| May 31, 1900 | 10.48 |
| Apr 30, 1900 | 9.92 |
| Mar 31, 1900 | 9.61 |
| Feb 28, 1900 | 9.30 |
| Jan 31, 1900 | 9.09 |
| Dec 31, 1899 | 8.78 |
| Nov 30, 1899 | 8.86 |
| Oct 31, 1899 | 8.92 |
| Sep 30, 1899 | 9.00 |
| Aug 31, 1899 | 9.31 |
| Jul 31, 1899 | 9.40 |
| Jun 30, 1899 | 9.48 |
| May 31, 1899 | 9.58 |
| Apr 30, 1899 | 9.54 |
| Mar 31, 1899 | 9.62 |
| Feb 28, 1899 | 9.58 |
| Jan 31, 1899 | 9.81 |
| Dec 31, 1898 | 9.77 |
| Nov 30, 1898 | 9.83 |
| Oct 31, 1898 | 9.75 |
| Sep 30, 1898 | 9.67 |
| Aug 31, 1898 | 9.58 |
| Jul 31, 1898 | 9.50 |
| Jun 30, 1898 | 9.28 |
| May 31, 1898 | 8.60 |
| Apr 30, 1898 | 9.12 |
| Mar 31, 1898 | 9.04 |
| Feb 28, 1898 | 8.95 |
| Jan 31, 1898 | 9.01 |
| Dec 31, 1897 | 8.92 |
| Nov 30, 1897 | 8.92 |
| Oct 31, 1897 | 8.92 |
| Sep 30, 1897 | 8.79 |
| Aug 31, 1897 | 9.05 |
| Jul 31, 1897 | 9.46 |
| Jun 30, 1897 | 9.46 |
| May 31, 1897 | 9.46 |
| Apr 30, 1897 | 9.33 |
| Mar 31, 1897 | 9.19 |
| Feb 28, 1897 | 9.19 |
| Jan 31, 1897 | 9.19 |
| Dec 31, 1896 | 8.92 |
| Nov 30, 1896 | 8.96 |
| Oct 31, 1896 | 9.27 |
| Sep 30, 1896 | 9.60 |
| Aug 31, 1896 | 9.64 |
| Jul 31, 1896 | 9.69 |
| Jun 30, 1896 | 9.73 |
| May 31, 1896 | 9.63 |
| Apr 30, 1896 | 9.53 |
| Mar 31, 1896 | 9.42 |
| Feb 29, 1896 | 9.46 |
| Jan 31, 1896 | 9.38 |
| Dec 31, 1895 | 9.28 |
| Nov 30, 1895 | 9.24 |
| Oct 31, 1895 | 9.32 |
| Sep 30, 1895 | 9.40 |
| Aug 31, 1895 | 9.48 |
| Jul 31, 1895 | 9.42 |
| Jun 30, 1895 | 9.38 |
| May 31, 1895 | 9.58 |
| Apr 30, 1895 | 9.80 |
| Mar 31, 1895 | 10.30 |
| Feb 28, 1895 | 10.39 |
| Jan 31, 1895 | 10.47 |
| Dec 31, 1894 | 10.55 |
| Nov 30, 1894 | 10.58 |
| Oct 31, 1894 | 10.74 |
| Sep 30, 1894 | 10.61 |
| Aug 31, 1894 | 10.91 |
| Jul 31, 1894 | 11.39 |
| Jun 30, 1894 | 11.56 |
| May 31, 1894 | 11.73 |
| Apr 30, 1894 | 11.90 |
| Mar 31, 1894 | 12.06 |
| Feb 28, 1894 | 11.88 |
| Jan 31, 1894 | 11.89 |
| Dec 31, 1893 | 11.73 |
| Nov 30, 1893 | 11.53 |
| Oct 31, 1893 | 11.19 |
| Sep 30, 1893 | 11.30 |
| Aug 31, 1893 | 11.72 |
| Jul 31, 1893 | 11.23 |
| Jun 30, 1893 | 10.90 |
| May 31, 1893 | 10.60 |
| Apr 30, 1893 | 10.42 |
| Mar 31, 1893 | 10.27 |
| Feb 28, 1893 | 9.99 |
| Jan 31, 1893 | 10.07 |
| Dec 31, 1892 | 10.41 |
| Nov 30, 1892 | 10.46 |
| Oct 31, 1892 | 10.66 |
| Sep 30, 1892 | 10.59 |
| Aug 31, 1892 | 10.51 |
| Jul 31, 1892 | 10.58 |
| Jun 30, 1892 | 10.79 |
| May 31, 1892 | 10.71 |
| Apr 30, 1892 | 10.63 |
| Mar 31, 1892 | 10.41 |
| Feb 29, 1892 | 10.06 |
| Jan 31, 1892 | 9.99 |
| Dec 31, 1891 | 9.66 |
| Nov 30, 1891 | 9.66 |
| Oct 31, 1891 | 9.55 |
| Sep 30, 1891 | 9.55 |
| Aug 31, 1891 | 9.42 |
| Jul 31, 1891 | 9.42 |
| Jun 30, 1891 | 9.31 |
| May 31, 1891 | 9.09 |
| Apr 30, 1891 | 8.98 |
| Mar 31, 1891 | 9.09 |
| Feb 28, 1891 | 9.20 |
| Jan 31, 1891 | 9.31 |
| Dec 31, 1890 | 9.20 |
| Nov 30, 1890 | 9.20 |
| Oct 31, 1890 | 8.98 |
| Sep 30, 1890 | 8.98 |
| Aug 31, 1890 | 9.09 |
| Jul 31, 1890 | 9.42 |
| Jun 30, 1890 | 9.42 |
| May 31, 1890 | 9.42 |
| Apr 30, 1890 | 9.55 |
| Mar 31, 1890 | 9.55 |
| Feb 28, 1890 | 9.55 |
| Jan 31, 1890 | 9.55 |
| Dec 31, 1889 | 9.31 |
| Nov 30, 1889 | 9.46 |
| Oct 31, 1889 | 9.50 |
| Sep 30, 1889 | 9.53 |
| Aug 31, 1889 | 9.69 |
| Jul 31, 1889 | 9.73 |
| Jun 30, 1889 | 9.76 |
| May 31, 1889 | 9.80 |
| Apr 30, 1889 | 9.60 |
| Mar 31, 1889 | 9.63 |
| Feb 28, 1889 | 9.54 |
| Jan 31, 1889 | 9.47 |
| Dec 31, 1888 | 9.17 |
| Nov 30, 1888 | 9.24 |
| Oct 31, 1888 | 9.42 |
| Sep 30, 1888 | 9.59 |
| Aug 31, 1888 | 9.66 |
| Jul 31, 1888 | 9.73 |
| Jun 30, 1888 | 9.92 |
| May 31, 1888 | 9.87 |
| Apr 30, 1888 | 9.82 |
| Mar 31, 1888 | 9.77 |
| Feb 29, 1888 | 9.84 |
| Jan 31, 1888 | 9.80 |
| Dec 31, 1887 | 9.97 |
| Nov 30, 1887 | 10.10 |
| Oct 31, 1887 | 10.13 |
| Sep 30, 1887 | 10.14 |
| Aug 31, 1887 | 9.92 |
| Jul 31, 1887 | 9.93 |
| Jun 30, 1887 | 9.71 |
| May 31, 1887 | 9.49 |
| Apr 30, 1887 | 9.39 |
| Mar 31, 1887 | 9.29 |
| Feb 28, 1887 | 9.18 |
| Jan 31, 1887 | 9.20 |
| Dec 31, 1886 | 9.31 |
| Nov 30, 1886 | 9.50 |
| Oct 31, 1886 | 9.56 |
| Sep 30, 1886 | 9.64 |
| Aug 31, 1886 | 9.71 |
| Jul 31, 1886 | 9.91 |
| Jun 30, 1886 | 10.10 |
| May 31, 1886 | 10.05 |
| Apr 30, 1886 | 9.88 |
| Mar 31, 1886 | 9.82 |
| Feb 28, 1886 | 9.78 |
| Jan 31, 1886 | 9.85 |
| Dec 31, 1885 | 9.69 |
| Nov 30, 1885 | 10.16 |
| Oct 31, 1885 | 10.52 |
| Sep 30, 1885 | 10.76 |
| Aug 31, 1885 | 10.88 |
| Jul 31, 1885 | 11.13 |
| Jun 30, 1885 | 11.49 |
| May 31, 1885 | 11.46 |
| Apr 30, 1885 | 11.43 |
| Mar 31, 1885 | 11.81 |
| Feb 28, 1885 | 11.77 |
| Jan 31, 1885 | 12.13 |
| Dec 31, 1884 | 12.36 |
| Nov 30, 1884 | 12.30 |
| Oct 31, 1884 | 12.09 |
| Sep 30, 1884 | 12.01 |
| Aug 31, 1884 | 11.95 |
| Jul 31, 1884 | 12.01 |
| Jun 30, 1884 | 11.94 |
| May 31, 1884 | 12.00 |
| Apr 30, 1884 | 11.81 |
| Mar 31, 1884 | 11.63 |
| Feb 29, 1884 | 11.69 |
| Jan 31, 1884 | 11.75 |
| Dec 31, 1883 | 11.81 |
| Nov 30, 1883 | 11.91 |
| Oct 31, 1883 | 11.75 |
| Sep 30, 1883 | 11.72 |
| Aug 31, 1883 | 11.58 |
| Jul 31, 1883 | 11.54 |
| Jun 30, 1883 | 11.28 |
| May 31, 1883 | 10.92 |
| Apr 30, 1883 | 10.78 |
| Mar 31, 1883 | 10.66 |
| Feb 28, 1883 | 10.53 |
| Jan 31, 1883 | 10.60 |
| Dec 31, 1882 | 10.58 |
| Nov 30, 1882 | 10.47 |
| Oct 31, 1882 | 10.38 |
| Sep 30, 1882 | 10.28 |
| Aug 31, 1882 | 10.01 |
| Jul 31, 1882 | 10.09 |
| Jun 30, 1882 | 10.01 |
| May 31, 1882 | 10.09 |
| Apr 30, 1882 | 10.19 |
| Mar 31, 1882 | 10.28 |
| Feb 28, 1882 | 10.28 |
| Jan 31, 1882 | 10.38 |
| Dec 31, 1881 | 10.38 |
| Nov 30, 1881 | 10.22 |
| Oct 31, 1881 | 9.96 |
| Sep 30, 1881 | 9.89 |
| Aug 31, 1881 | 10.11 |
| Jul 31, 1881 | 10.14 |
| Jun 30, 1881 | 10.07 |
| May 31, 1881 | 9.90 |
| Apr 30, 1881 | 9.62 |
| Mar 31, 1881 | 9.55 |
| Feb 28, 1881 | 9.38 |
| Jan 31, 1881 | 9.29 |
| Dec 31, 1880 | 9.03 |
| Nov 30, 1880 | 8.94 |
| Oct 31, 1880 | 8.86 |
| Sep 30, 1880 | 8.68 |
| Aug 31, 1880 | 8.59 |
| Jul 31, 1880 | 8.41 |
| Jun 30, 1880 | 8.23 |
| May 31, 1880 | 7.89 |
| Apr 30, 1880 | 7.49 |
| Mar 31, 1880 | 7.04 |
| Feb 29, 1880 | 6.94 |
| Jan 31, 1880 | 6.78 |
| Dec 31, 1879 | 6.81 |
| Nov 30, 1879 | 6.95 |
| Oct 31, 1879 | 7.27 |
| Sep 30, 1879 | 7.60 |
| Aug 31, 1879 | 7.80 |
| Jul 31, 1879 | 7.74 |
| Jun 30, 1879 | 7.76 |
| May 31, 1879 | 7.60 |
| Apr 30, 1879 | 7.54 |
| Mar 31, 1879 | 7.38 |
| Feb 28, 1879 | 7.23 |
| Jan 31, 1879 | 7.25 |
| Dec 31, 1878 | 7.27 |
| Nov 30, 1878 | 7.13 |
| Oct 31, 1878 | 7.08 |
| Sep 30, 1878 | 7.04 |
| Aug 31, 1878 | 7.07 |
| Jul 31, 1878 | 7.18 |
| Jun 30, 1878 | 7.30 |
| May 31, 1878 | 7.17 |
| Apr 30, 1878 | 6.97 |
| Mar 31, 1878 | 6.93 |
| Feb 28, 1878 | 6.81 |
| Jan 31, 1878 | 6.77 |
| Dec 31, 1877 | 6.60 |
| Nov 30, 1877 | 6.92 |
| Oct 31, 1877 | 7.09 |
| Sep 30, 1877 | 7.40 |
| Aug 31, 1877 | 7.64 |
| Jul 31, 1877 | 7.65 |
| Jun 30, 1877 | 8.02 |
| May 31, 1877 | 7.87 |
| Apr 30, 1877 | 8.30 |
| Mar 31, 1877 | 8.84 |
| Feb 28, 1877 | 8.73 |
| Jan 31, 1877 | 8.78 |
| Dec 31, 1876 | 9.22 |
| Nov 30, 1876 | 9.38 |
| Oct 31, 1876 | 9.46 |
| Sep 30, 1876 | 9.64 |
| Aug 31, 1876 | 9.73 |
| Jul 31, 1876 | 9.82 |
| Jun 30, 1876 | 9.82 |
| May 31, 1876 | 9.55 |
| Apr 30, 1876 | 9.22 |
| Mar 31, 1876 | 9.13 |
| Feb 29, 1876 | 9.13 |
| Jan 31, 1876 | 9.13 |
| Dec 31, 1875 | 9.06 |
| Nov 30, 1875 | 9.05 |
| Oct 31, 1875 | 9.05 |
| Sep 30, 1875 | 9.12 |
| Aug 31, 1875 | 9.12 |
| Jul 31, 1875 | 9.27 |
| Jun 30, 1875 | 9.35 |
| May 31, 1875 | 9.26 |
| Apr 30, 1875 | 9.10 |
| Mar 31, 1875 | 9.25 |
| Feb 28, 1875 | 9.32 |
| Jan 31, 1875 | 9.40 |
| Dec 31, 1874 | 9.47 |
| Nov 30, 1874 | 9.47 |
| Oct 31, 1874 | 9.39 |
| Sep 30, 1874 | 9.23 |
| Aug 31, 1874 | 9.23 |
| Jul 31, 1874 | 9.16 |
| Jun 30, 1874 | 9.23 |
| May 31, 1874 | 9.02 |
| Apr 30, 1874 | 8.95 |
| Mar 31, 1874 | 8.81 |
| Feb 28, 1874 | 8.81 |
| Jan 31, 1874 | 8.81 |
| Dec 31, 1873 | 8.95 |
| Nov 30, 1873 | 9.10 |
| Oct 31, 1873 | 8.75 |
| Sep 30, 1873 | 8.48 |
| Aug 31, 1873 | 8.41 |
| Jul 31, 1873 | 8.35 |
| Jun 30, 1873 | 8.28 |
| May 31, 1873 | 7.97 |
| Apr 30, 1873 | 7.74 |
| Mar 31, 1873 | 7.68 |
| Feb 28, 1873 | 7.61 |
| Jan 31, 1873 | 7.72 |
| Dec 31, 1872 | 7.66 |
| Nov 30, 1872 | 7.46 |
| Oct 31, 1872 | 7.60 |
| Sep 30, 1872 | 7.35 |
| Aug 31, 1872 | 7.32 |
| Jul 31, 1872 | 7.29 |
| Jun 30, 1872 | 7.10 |
| May 31, 1872 | 6.96 |
| Apr 30, 1872 | 6.87 |
| Mar 31, 1872 | 6.94 |
| Feb 29, 1872 | 6.96 |
| Jan 31, 1872 | 6.87 |
| Dec 31, 1871 | 6.79 |
| Nov 30, 1871 | 6.94 |
| Oct 31, 1871 | 6.94 |
| Sep 30, 1871 | 7.05 |
| Aug 31, 1871 | 7.22 |
| Jul 31, 1871 | 7.11 |
| Jun 30, 1871 | 7.11 |
| May 31, 1871 | 7.00 |
| Apr 30, 1871 | 6.84 |
| Mar 31, 1871 | 6.59 |
| Feb 28, 1871 | 6.69 |
| Jan 31, 1871 | 6.89 |
12-month real dividend per share — inflation adjusted March, 2026 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.