| Date | Value |
|---|---|
| Dec 31, 2025 | 78.92 |
| Nov 30, 2025 | 78.76 |
| Oct 31, 2025 | 78.53 |
| Sep 30, 2025 | 78.30 |
| Aug 31, 2025 | 78.12 |
| Jul 31, 2025 | 77.97 |
| Jun 30, 2025 | 77.71 |
| May 31, 2025 | 77.57 |
| Apr 30, 2025 | 77.32 |
| Mar 31, 2025 | 77.16 |
| Feb 28, 2025 | 76.89 |
| Jan 31, 2025 | 76.78 |
| Dec 31, 2024 | 76.84 |
| Nov 30, 2024 | 76.37 |
| Oct 31, 2024 | 75.84 |
| Sep 30, 2024 | 75.44 |
| Aug 31, 2024 | 75.07 |
| Jul 31, 2024 | 74.64 |
| Jun 30, 2024 | 74.24 |
| May 31, 2024 | 73.87 |
| Apr 30, 2024 | 73.59 |
| Mar 31, 2024 | 73.48 |
| Feb 29, 2024 | 73.78 |
| Jan 31, 2024 | 74.05 |
| Dec 31, 2023 | 74.27 |
| Nov 30, 2023 | 73.85 |
| Oct 31, 2023 | 73.35 |
| Sep 30, 2023 | 72.98 |
| Aug 31, 2023 | 72.95 |
| Jul 31, 2023 | 73.05 |
| Jun 30, 2023 | 72.98 |
| May 31, 2023 | 73.04 |
| Apr 30, 2023 | 73.04 |
| Mar 31, 2023 | 73.23 |
| Feb 28, 2023 | 73.01 |
| Jan 31, 2023 | 72.95 |
| Dec 31, 2022 | 73.07 |
| Nov 30, 2022 | 72.26 |
| Oct 31, 2022 | 71.61 |
| Sep 30, 2022 | 71.31 |
| Aug 31, 2022 | 70.99 |
| Jul 31, 2022 | 70.50 |
| Jun 30, 2022 | 70.01 |
| May 31, 2022 | 70.22 |
| Apr 30, 2022 | 70.23 |
| Mar 31, 2022 | 69.85 |
| Feb 28, 2022 | 70.18 |
| Jan 31, 2022 | 70.22 |
| Dec 31, 2021 | 70.20 |
| Nov 30, 2021 | 69.97 |
| Oct 31, 2021 | 69.87 |
| Sep 30, 2021 | 70.00 |
| Aug 31, 2021 | 69.64 |
| Jul 31, 2021 | 69.24 |
| Jun 30, 2021 | 69.02 |
| May 31, 2021 | 69.56 |
| Apr 30, 2021 | 70.03 |
| Mar 31, 2021 | 70.51 |
| Feb 28, 2021 | 71.27 |
| Jan 31, 2021 | 71.93 |
| Dec 31, 2020 | 72.50 |
| Nov 30, 2020 | 72.81 |
| Oct 31, 2020 | 73.00 |
| Sep 30, 2020 | 73.27 |
| Aug 31, 2020 | 73.72 |
| Jul 31, 2020 | 74.30 |
| Jun 30, 2020 | 75.02 |
| May 31, 2020 | 75.39 |
| Apr 30, 2020 | 75.35 |
| Mar 31, 2020 | 74.80 |
| Feb 29, 2020 | 74.08 |
| Jan 31, 2020 | 73.72 |
| Dec 31, 2019 | 73.44 |
| Nov 30, 2019 | 72.95 |
| Oct 31, 2019 | 72.48 |
| Sep 30, 2019 | 72.22 |
| Aug 31, 2019 | 71.79 |
| Jul 31, 2019 | 71.31 |
| Jun 30, 2019 | 70.94 |
| May 31, 2019 | 70.48 |
| Apr 30, 2019 | 70.15 |
| Mar 31, 2019 | 70.03 |
| Feb 28, 2019 | 69.92 |
| Jan 31, 2019 | 69.71 |
| Dec 31, 2018 | 69.33 |
| Nov 30, 2018 | 68.50 |
| Oct 31, 2018 | 67.67 |
| Sep 30, 2018 | 67.19 |
| Aug 31, 2018 | 66.69 |
| Jul 31, 2018 | 66.15 |
| Jun 30, 2018 | 65.57 |
| May 31, 2018 | 65.25 |
| Apr 30, 2018 | 65.10 |
| Mar 31, 2018 | 64.93 |
| Feb 28, 2018 | 64.61 |
| Jan 31, 2018 | 64.44 |
| Dec 31, 2017 | 64.32 |
| Nov 30, 2017 | 63.95 |
| Oct 31, 2017 | 63.62 |
| Sep 30, 2017 | 63.25 |
| Aug 31, 2017 | 63.16 |
| Jul 31, 2017 | 62.93 |
| Jun 30, 2017 | 62.47 |
| May 31, 2017 | 62.15 |
| Apr 30, 2017 | 61.84 |
| Mar 31, 2017 | 61.65 |
| Feb 28, 2017 | 61.40 |
| Jan 31, 2017 | 61.29 |
| Dec 31, 2016 | 61.34 |
| Nov 30, 2016 | 61.06 |
| Oct 31, 2016 | 60.66 |
| Sep 30, 2016 | 60.44 |
| Aug 31, 2016 | 60.33 |
| Jul 31, 2016 | 60.13 |
| Jun 30, 2016 | 59.78 |
| May 31, 2016 | 59.71 |
| Apr 30, 2016 | 59.69 |
| Mar 31, 2016 | 59.71 |
| Feb 29, 2016 | 59.74 |
| Jan 31, 2016 | 59.57 |
| Dec 31, 2015 | 59.44 |
| Nov 30, 2015 | 58.84 |
| Oct 31, 2015 | 58.32 |
| Sep 30, 2015 | 57.89 |
| Aug 31, 2015 | 57.46 |
| Jul 31, 2015 | 57.03 |
| Jun 30, 2015 | 56.68 |
| May 31, 2015 | 56.46 |
| Apr 30, 2015 | 56.32 |
| Mar 31, 2015 | 56.00 |
| Feb 28, 2015 | 55.71 |
| Jan 31, 2015 | 55.32 |
| Dec 31, 2014 | 54.43 |
| Nov 30, 2014 | 53.69 |
| Oct 31, 2014 | 52.97 |
| Sep 30, 2014 | 52.41 |
| Aug 31, 2014 | 51.94 |
| Jul 31, 2014 | 51.35 |
| Jun 30, 2014 | 50.82 |
| May 31, 2014 | 50.39 |
| Apr 30, 2014 | 50.05 |
| Mar 31, 2014 | 49.68 |
| Feb 28, 2014 | 49.43 |
| Jan 31, 2014 | 49.05 |
| Dec 31, 2013 | 48.66 |
| Nov 30, 2013 | 48.38 |
| Oct 31, 2013 | 48.01 |
| Sep 30, 2013 | 47.61 |
| Aug 31, 2013 | 47.14 |
| Jul 31, 2013 | 46.67 |
| Jun 30, 2013 | 46.17 |
| May 31, 2013 | 45.74 |
| Apr 30, 2013 | 45.29 |
| Mar 31, 2013 | 44.70 |
| Feb 28, 2013 | 44.42 |
| Jan 31, 2013 | 44.38 |
| Dec 31, 2012 | 44.10 |
| Nov 30, 2012 | 43.21 |
| Oct 31, 2012 | 42.23 |
| Sep 30, 2012 | 41.44 |
| Aug 31, 2012 | 41.03 |
| Jul 31, 2012 | 40.66 |
| Jun 30, 2012 | 39.99 |
| May 31, 2012 | 39.48 |
| Apr 30, 2012 | 38.98 |
| Mar 31, 2012 | 38.64 |
| Feb 29, 2012 | 38.49 |
| Jan 31, 2012 | 38.22 |
| Dec 31, 2011 | 37.95 |
| Nov 30, 2011 | 37.26 |
| Oct 31, 2011 | 36.63 |
| Sep 30, 2011 | 35.96 |
| Aug 31, 2011 | 35.62 |
| Jul 31, 2011 | 35.32 |
| Jun 30, 2011 | 34.94 |
| May 31, 2011 | 34.47 |
| Apr 30, 2011 | 34.20 |
| Mar 31, 2011 | 33.98 |
| Feb 28, 2011 | 33.97 |
| Jan 31, 2011 | 33.79 |
| Dec 31, 2010 | 33.60 |
| Nov 30, 2010 | 33.48 |
| Oct 31, 2010 | 33.31 |
| Sep 30, 2010 | 33.16 |
| Aug 31, 2010 | 33.02 |
| Jul 31, 2010 | 32.91 |
| Jun 30, 2010 | 32.76 |
| May 31, 2010 | 32.67 |
| Apr 30, 2010 | 32.62 |
| Mar 31, 2010 | 32.62 |
| Feb 28, 2010 | 33.00 |
| Jan 31, 2010 | 33.26 |
| Dec 31, 2009 | 33.62 |
| Nov 30, 2009 | 34.31 |
| Oct 31, 2009 | 35.08 |
| Sep 30, 2009 | 35.86 |
| Aug 31, 2009 | 36.73 |
| Jul 31, 2009 | 37.66 |
| Jun 30, 2009 | 38.45 |
| May 31, 2009 | 39.62 |
| Apr 30, 2009 | 40.58 |
| Mar 31, 2009 | 41.52 |
| Feb 28, 2009 | 42.20 |
| Jan 31, 2009 | 42.99 |
| Dec 31, 2008 | 43.76 |
| Nov 30, 2008 | 43.54 |
| Oct 31, 2008 | 42.94 |
| Sep 30, 2008 | 42.74 |
| Aug 31, 2008 | 42.61 |
| Jul 31, 2008 | 42.37 |
| Jun 30, 2008 | 42.52 |
| May 31, 2008 | 42.75 |
| Apr 30, 2008 | 42.90 |
| Mar 31, 2008 | 42.95 |
| Feb 29, 2008 | 43.03 |
| Jan 31, 2008 | 42.87 |
| Dec 31, 2007 | 42.79 |
| Nov 30, 2007 | 42.37 |
| Oct 31, 2007 | 42.23 |
| Sep 30, 2007 | 41.93 |
| Aug 31, 2007 | 41.63 |
| Jul 31, 2007 | 41.13 |
| Jun 30, 2007 | 40.70 |
| May 31, 2007 | 40.43 |
| Apr 30, 2007 | 40.32 |
| Mar 31, 2007 | 40.23 |
| Feb 28, 2007 | 40.27 |
| Jan 31, 2007 | 40.16 |
| Dec 31, 2006 | 39.96 |
| Nov 30, 2006 | 39.60 |
| Oct 31, 2006 | 39.12 |
| Sep 30, 2006 | 38.48 |
| Aug 31, 2006 | 37.95 |
| Jul 31, 2006 | 37.67 |
| Jun 30, 2006 | 37.43 |
| May 31, 2006 | 37.16 |
| Apr 30, 2006 | 36.99 |
| Mar 31, 2006 | 36.95 |
| Feb 28, 2006 | 36.85 |
| Jan 31, 2006 | 36.61 |
| Dec 31, 2005 | 36.58 |
| Nov 30, 2005 | 36.03 |
| Oct 31, 2005 | 35.33 |
| Sep 30, 2005 | 35.00 |
| Aug 31, 2005 | 35.13 |
| Jul 31, 2005 | 35.00 |
| Jun 30, 2005 | 34.86 |
| May 31, 2005 | 34.49 |
| Apr 30, 2005 | 34.07 |
| Mar 31, 2005 | 33.91 |
| Feb 28, 2005 | 33.73 |
| Jan 31, 2005 | 33.48 |
| Dec 31, 2004 | 33.11 |
| Nov 30, 2004 | 32.83 |
| Oct 31, 2004 | 32.69 |
| Sep 30, 2004 | 32.70 |
| Aug 31, 2004 | 32.45 |
| Jul 31, 2004 | 32.15 |
| Jun 30, 2004 | 31.78 |
| May 31, 2004 | 31.55 |
| Apr 30, 2004 | 31.40 |
| Mar 31, 2004 | 31.17 |
| Feb 29, 2004 | 31.00 |
| Jan 31, 2004 | 30.79 |
| Dec 31, 2003 | 30.57 |
| Nov 30, 2003 | 30.07 |
| Oct 31, 2003 | 29.52 |
| Sep 30, 2003 | 29.02 |
| Aug 31, 2003 | 28.87 |
| Jul 31, 2003 | 28.73 |
| Jun 30, 2003 | 28.52 |
| May 31, 2003 | 28.58 |
| Apr 30, 2003 | 28.57 |
| Mar 31, 2003 | 28.54 |
| Feb 28, 2003 | 28.63 |
| Jan 31, 2003 | 28.76 |
| Dec 31, 2002 | 28.79 |
| Nov 30, 2002 | 28.57 |
| Oct 31, 2002 | 28.40 |
| Sep 30, 2002 | 28.29 |
| Aug 31, 2002 | 28.48 |
| Jul 31, 2002 | 28.72 |
| Jun 30, 2002 | 28.89 |
| May 31, 2002 | 28.72 |
| Apr 30, 2002 | 28.54 |
| Mar 31, 2002 | 28.51 |
| Feb 28, 2002 | 28.68 |
| Jan 31, 2002 | 28.79 |
| Dec 31, 2001 | 28.87 |
| Nov 30, 2001 | 28.75 |
| Oct 31, 2001 | 28.70 |
| Sep 30, 2001 | 28.60 |
| Aug 31, 2001 | 28.70 |
| Jul 31, 2001 | 28.67 |
| Jun 30, 2001 | 28.56 |
| May 31, 2001 | 28.78 |
| Apr 30, 2001 | 29.08 |
| Mar 31, 2001 | 29.38 |
| Feb 28, 2001 | 29.63 |
| Jan 31, 2001 | 29.93 |
| Dec 31, 2000 | 30.30 |
| Nov 30, 2000 | 30.33 |
| Oct 31, 2000 | 30.40 |
| Sep 30, 2000 | 30.50 |
| Aug 31, 2000 | 30.88 |
| Jul 31, 2000 | 31.10 |
| Jun 30, 2000 | 31.40 |
| May 31, 2000 | 31.60 |
| Apr 30, 2000 | 31.67 |
| Mar 31, 2000 | 31.73 |
| Feb 29, 2000 | 31.94 |
| Jan 31, 2000 | 32.09 |
| Dec 31, 1999 | 32.14 |
| Nov 30, 1999 | 32.11 |
| Oct 31, 1999 | 32.09 |
| Sep 30, 1999 | 32.12 |
| Aug 31, 1999 | 32.15 |
| Jul 31, 1999 | 32.10 |
| Jun 30, 1999 | 32.07 |
| May 31, 1999 | 32.07 |
| Apr 30, 1999 | 32.07 |
| Mar 31, 1999 | 32.31 |
| Feb 28, 1999 | 32.24 |
| Jan 31, 1999 | 32.11 |
| Dec 31, 1998 | 32.02 |
| Nov 30, 1998 | 31.97 |
| Oct 31, 1998 | 31.93 |
| Sep 30, 1998 | 31.98 |
| Aug 31, 1998 | 31.89 |
| Jul 31, 1998 | 31.80 |
| Jun 30, 1998 | 31.71 |
| May 31, 1998 | 31.54 |
| Apr 30, 1998 | 31.40 |
| Mar 31, 1998 | 31.25 |
| Feb 28, 1998 | 31.21 |
| Jan 31, 1998 | 31.17 |
| Dec 31, 1997 | 31.13 |
| Nov 30, 1997 | 30.99 |
| Oct 31, 1997 | 30.86 |
| Sep 30, 1997 | 30.82 |
| Aug 31, 1997 | 30.78 |
| Jul 31, 1997 | 30.73 |
| Jun 30, 1997 | 30.65 |
| May 31, 1997 | 30.62 |
| Apr 30, 1997 | 30.53 |
| Mar 31, 1997 | 30.50 |
| Feb 28, 1997 | 30.47 |
| Jan 31, 1997 | 30.45 |
| Dec 31, 1996 | 30.44 |
| Nov 30, 1996 | 30.28 |
| Oct 31, 1996 | 30.18 |
| Sep 30, 1996 | 30.11 |
| Aug 31, 1996 | 29.94 |
| Jul 31, 1996 | 29.73 |
| Jun 30, 1996 | 29.52 |
| May 31, 1996 | 29.42 |
| Apr 30, 1996 | 29.36 |
| Mar 31, 1996 | 29.35 |
| Feb 29, 1996 | 29.29 |
| Jan 31, 1996 | 29.16 |
| Dec 31, 1995 | 29.11 |
| Nov 30, 1995 | 28.94 |
| Oct 31, 1995 | 28.77 |
| Sep 30, 1995 | 28.71 |
| Aug 31, 1995 | 28.62 |
| Jul 31, 1995 | 28.54 |
| Jun 30, 1995 | 28.39 |
| May 31, 1995 | 28.31 |
| Apr 30, 1995 | 28.23 |
| Mar 31, 1995 | 28.19 |
| Feb 28, 1995 | 28.28 |
| Jan 31, 1995 | 28.40 |
| Dec 31, 1994 | 28.51 |
| Nov 30, 1994 | 28.33 |
| Oct 31, 1994 | 28.19 |
| Sep 30, 1994 | 28.03 |
| Aug 31, 1994 | 28.04 |
| Jul 31, 1994 | 28.09 |
| Jun 30, 1994 | 28.10 |
| May 31, 1994 | 28.10 |
| Apr 30, 1994 | 28.03 |
| Mar 31, 1994 | 27.97 |
| Feb 28, 1994 | 27.97 |
| Jan 31, 1994 | 27.97 |
| Dec 31, 1993 | 27.95 |
| Nov 30, 1993 | 27.91 |
| Oct 31, 1993 | 27.89 |
| Sep 30, 1993 | 27.96 |
| Aug 31, 1993 | 28.02 |
| Jul 31, 1993 | 28.10 |
| Jun 30, 1993 | 28.10 |
| May 31, 1993 | 28.11 |
| Apr 30, 1993 | 28.12 |
| Mar 31, 1993 | 28.16 |
| Feb 28, 1993 | 28.19 |
| Jan 31, 1993 | 28.22 |
| Dec 31, 1992 | 28.28 |
| Nov 30, 1992 | 28.27 |
| Oct 31, 1992 | 28.32 |
| Sep 30, 1992 | 28.43 |
| Aug 31, 1992 | 28.45 |
| Jul 31, 1992 | 28.47 |
| Jun 30, 1992 | 28.48 |
| May 31, 1992 | 28.58 |
| Apr 30, 1992 | 28.63 |
| Mar 31, 1992 | 28.67 |
| Feb 29, 1992 | 28.72 |
| Jan 31, 1992 | 28.73 |
| Dec 31, 1991 | 28.68 |
| Nov 30, 1991 | 28.75 |
| Oct 31, 1991 | 28.89 |
| Sep 30, 1991 | 28.99 |
| Aug 31, 1991 | 29.02 |
| Jul 31, 1991 | 29.00 |
| Jun 30, 1991 | 28.94 |
| May 31, 1991 | 29.00 |
| Apr 30, 1991 | 29.06 |
| Mar 31, 1991 | 29.07 |
| Feb 28, 1991 | 29.09 |
| Jan 31, 1991 | 29.12 |
| Dec 31, 1990 | 29.27 |
| Nov 30, 1990 | 29.07 |
| Oct 31, 1990 | 28.93 |
| Sep 30, 1990 | 28.90 |
| Aug 31, 1990 | 29.00 |
| Jul 31, 1990 | 29.13 |
| Jun 30, 1990 | 29.10 |
| May 31, 1990 | 28.96 |
| Apr 30, 1990 | 28.74 |
| Mar 31, 1990 | 28.50 |
| Feb 28, 1990 | 28.43 |
| Jan 31, 1990 | 28.34 |
| Dec 31, 1989 | 28.41 |
| Nov 30, 1989 | 28.18 |
| Oct 31, 1989 | 27.97 |
| Sep 30, 1989 | 27.83 |
| Aug 31, 1989 | 27.60 |
| Jul 31, 1989 | 27.33 |
| Jun 30, 1989 | 27.07 |
| May 31, 1989 | 26.83 |
| Apr 30, 1989 | 26.67 |
| Mar 31, 1989 | 26.53 |
| Feb 28, 1989 | 26.45 |
| Jan 31, 1989 | 26.32 |
| Dec 31, 1988 | 26.22 |
| Nov 30, 1988 | 25.97 |
| Oct 31, 1988 | 25.75 |
| Sep 30, 1988 | 25.59 |
| Aug 31, 1988 | 25.55 |
| Jul 31, 1988 | 25.45 |
| Jun 30, 1988 | 25.35 |
| May 31, 1988 | 25.20 |
| Apr 30, 1988 | 25.03 |
| Mar 31, 1988 | 24.90 |
| Feb 29, 1988 | 24.87 |
| Jan 31, 1988 | 24.81 |
| Dec 31, 1987 | 24.74 |
| Nov 30, 1987 | 24.60 |
| Oct 31, 1987 | 24.48 |
| Sep 30, 1987 | 24.40 |
| Aug 31, 1987 | 24.40 |
| Jul 31, 1987 | 24.39 |
| Jun 30, 1987 | 24.33 |
| May 31, 1987 | 24.24 |
| Apr 30, 1987 | 24.15 |
| Mar 31, 1987 | 24.11 |
| Feb 28, 1987 | 24.16 |
| Jan 31, 1987 | 24.19 |
| Dec 31, 1986 | 24.28 |
| Nov 30, 1986 | 24.26 |
| Oct 31, 1986 | 24.23 |
| Sep 30, 1986 | 24.20 |
| Aug 31, 1986 | 24.18 |
| Jul 31, 1986 | 24.10 |
| Jun 30, 1986 | 23.97 |
| May 31, 1986 | 24.02 |
| Apr 30, 1986 | 24.01 |
| Mar 31, 1986 | 23.89 |
| Feb 28, 1986 | 23.66 |
| Jan 31, 1986 | 23.48 |
| Dec 31, 1985 | 23.42 |
| Nov 30, 1985 | 23.43 |
| Oct 31, 1985 | 23.43 |
| Sep 30, 1985 | 23.46 |
| Aug 31, 1985 | 23.42 |
| Jul 31, 1985 | 23.37 |
| Jun 30, 1985 | 23.31 |
| May 31, 1985 | 23.29 |
| Apr 30, 1985 | 23.30 |
| Mar 31, 1985 | 23.33 |
| Feb 28, 1985 | 23.29 |
| Jan 31, 1985 | 23.26 |
| Dec 31, 1984 | 23.17 |
| Nov 30, 1984 | 23.02 |
| Oct 31, 1984 | 22.87 |
| Sep 30, 1984 | 22.78 |
| Aug 31, 1984 | 22.81 |
| Jul 31, 1984 | 22.83 |
| Jun 30, 1984 | 22.84 |
| May 31, 1984 | 22.77 |
| Apr 30, 1984 | 22.70 |
| Mar 31, 1984 | 22.68 |
| Feb 29, 1984 | 22.63 |
| Jan 31, 1984 | 22.64 |
| Dec 31, 1983 | 22.68 |
| Nov 30, 1983 | 22.61 |
| Oct 31, 1983 | 22.56 |
| Sep 30, 1983 | 22.53 |
| Aug 31, 1983 | 22.57 |
| Jul 31, 1983 | 22.58 |
| Jun 30, 1983 | 22.60 |
| May 31, 1983 | 22.64 |
| Apr 30, 1983 | 22.74 |
| Mar 31, 1983 | 22.87 |
| Feb 28, 1983 | 22.83 |
| Jan 31, 1983 | 22.81 |
| Dec 31, 1982 | 22.81 |
| Nov 30, 1982 | 22.69 |
| Oct 31, 1982 | 22.63 |
| Sep 30, 1982 | 22.67 |
| Aug 31, 1982 | 22.68 |
| Jul 31, 1982 | 22.68 |
| Jun 30, 1982 | 22.75 |
| May 31, 1982 | 22.93 |
| Apr 30, 1982 | 23.05 |
| Mar 31, 1982 | 23.04 |
| Feb 28, 1982 | 22.92 |
| Jan 31, 1982 | 22.89 |
| Dec 31, 1981 | 22.86 |
| Nov 30, 1981 | 22.80 |
| Oct 31, 1981 | 22.75 |
| Sep 30, 1981 | 22.67 |
| Aug 31, 1981 | 22.74 |
| Jul 31, 1981 | 22.76 |
| Jun 30, 1981 | 22.86 |
| May 31, 1981 | 22.93 |
| Apr 30, 1981 | 22.97 |
| Mar 31, 1981 | 23.00 |
| Feb 28, 1981 | 23.00 |
| Jan 31, 1981 | 23.09 |
| Dec 31, 1980 | 23.13 |
| Nov 30, 1980 | 23.23 |
| Oct 31, 1980 | 23.31 |
| Sep 30, 1980 | 23.42 |
| Aug 31, 1980 | 23.44 |
| Jul 31, 1980 | 23.45 |
| Jun 30, 1980 | 23.28 |
| May 31, 1980 | 23.35 |
| Apr 30, 1980 | 23.39 |
| Mar 31, 1980 | 23.46 |
| Feb 29, 1980 | 23.62 |
| Jan 31, 1980 | 23.74 |
| Dec 31, 1979 | 23.87 |
| Nov 30, 1979 | 23.92 |
| Oct 31, 1979 | 23.94 |
| Sep 30, 1979 | 23.93 |
| Aug 31, 1979 | 23.95 |
| Jul 31, 1979 | 23.92 |
| Jun 30, 1979 | 23.93 |
| May 31, 1979 | 23.99 |
| Apr 30, 1979 | 24.08 |
| Mar 31, 1979 | 24.14 |
| Feb 28, 1979 | 24.18 |
| Jan 31, 1979 | 24.26 |
| Dec 31, 1978 | 24.27 |
| Nov 30, 1978 | 24.30 |
| Oct 31, 1978 | 24.32 |
| Sep 30, 1978 | 24.46 |
| Aug 31, 1978 | 24.47 |
| Jul 31, 1978 | 24.40 |
| Jun 30, 1978 | 24.40 |
| May 31, 1978 | 24.48 |
| Apr 30, 1978 | 24.53 |
| Mar 31, 1978 | 24.53 |
| Feb 28, 1978 | 24.51 |
| Jan 31, 1978 | 24.44 |
| Dec 31, 1977 | 24.37 |
| Nov 30, 1977 | 24.15 |
| Oct 31, 1977 | 23.97 |
| Sep 30, 1977 | 23.75 |
| Aug 31, 1977 | 23.58 |
| Jul 31, 1977 | 23.41 |
| Jun 30, 1977 | 23.28 |
| May 31, 1977 | 23.13 |
| Apr 30, 1977 | 22.94 |
| Mar 31, 1977 | 22.82 |
| Feb 28, 1977 | 22.72 |
| Jan 31, 1977 | 22.69 |
| Dec 31, 1976 | 22.55 |
| Nov 30, 1976 | 22.26 |
| Oct 31, 1976 | 21.92 |
| Sep 30, 1976 | 21.66 |
| Aug 31, 1976 | 21.57 |
| Jul 31, 1976 | 21.51 |
| Jun 30, 1976 | 21.45 |
| May 31, 1976 | 21.43 |
| Apr 30, 1976 | 21.45 |
| Mar 31, 1976 | 21.39 |
| Feb 29, 1976 | 21.41 |
| Jan 31, 1976 | 21.47 |
| Dec 31, 1975 | 21.49 |
| Nov 30, 1975 | 21.62 |
| Oct 31, 1975 | 21.84 |
| Sep 30, 1975 | 22.02 |
| Aug 31, 1975 | 22.14 |
| Jul 31, 1975 | 22.18 |
| Jun 30, 1975 | 22.43 |
| May 31, 1975 | 22.52 |
| Apr 30, 1975 | 22.56 |
| Mar 31, 1975 | 22.57 |
| Feb 28, 1975 | 22.51 |
| Jan 31, 1975 | 22.54 |
| Dec 31, 1974 | 22.48 |
| Nov 30, 1974 | 22.63 |
| Oct 31, 1974 | 22.79 |
| Sep 30, 1974 | 22.99 |
| Aug 31, 1974 | 23.07 |
| Jul 31, 1974 | 23.16 |
| Jun 30, 1974 | 23.15 |
| May 31, 1974 | 23.20 |
| Apr 30, 1974 | 23.36 |
| Mar 31, 1974 | 23.32 |
| Feb 28, 1974 | 23.48 |
| Jan 31, 1974 | 23.64 |
| Dec 31, 1973 | 23.71 |
| Nov 30, 1973 | 23.60 |
| Oct 31, 1973 | 23.50 |
| Sep 30, 1973 | 23.44 |
| Aug 31, 1973 | 23.38 |
| Jul 31, 1973 | 23.68 |
| Jun 30, 1973 | 23.61 |
| May 31, 1973 | 23.65 |
| Apr 30, 1973 | 23.68 |
| Mar 31, 1973 | 23.72 |
| Feb 28, 1973 | 23.89 |
| Jan 31, 1973 | 24.01 |
| Dec 31, 1972 | 24.02 |
| Nov 30, 1972 | 23.90 |
| Oct 31, 1972 | 23.77 |
| Sep 30, 1972 | 23.71 |
| Aug 31, 1972 | 23.74 |
| Jul 31, 1972 | 23.77 |
| Jun 30, 1972 | 23.86 |
| May 31, 1972 | 23.91 |
| Apr 30, 1972 | 23.97 |
| Mar 31, 1972 | 24.03 |
| Feb 29, 1972 | 24.09 |
| Jan 31, 1972 | 24.21 |
| Dec 31, 1971 | 24.21 |
| Nov 30, 1971 | 24.38 |
| Oct 31, 1971 | 24.43 |
| Sep 30, 1971 | 24.54 |
| Aug 31, 1971 | 24.57 |
| Jul 31, 1971 | 24.66 |
| Jun 30, 1971 | 24.74 |
| May 31, 1971 | 24.95 |
| Apr 30, 1971 | 25.11 |
| Mar 31, 1971 | 25.20 |
| Feb 28, 1971 | 25.34 |
| Jan 31, 1971 | 25.48 |
| Dec 31, 1970 | 25.57 |
| Nov 30, 1970 | 25.83 |
| Oct 31, 1970 | 26.10 |
| Sep 30, 1970 | 26.37 |
| Aug 31, 1970 | 26.48 |
| Jul 31, 1970 | 26.45 |
| Jun 30, 1970 | 26.56 |
| May 31, 1970 | 26.67 |
| Apr 30, 1970 | 26.71 |
| Mar 31, 1970 | 26.89 |
| Feb 28, 1970 | 27.00 |
| Jan 31, 1970 | 27.12 |
| Dec 31, 1969 | 27.16 |
| Nov 30, 1969 | 27.28 |
| Oct 31, 1969 | 27.40 |
| Sep 30, 1969 | 27.51 |
| Aug 31, 1969 | 27.53 |
| Jul 31, 1969 | 27.62 |
| Jun 30, 1969 | 27.71 |
| May 31, 1969 | 27.78 |
| Apr 30, 1969 | 27.76 |
| Mar 31, 1969 | 27.83 |
| Feb 28, 1969 | 27.97 |
| Jan 31, 1969 | 28.04 |
| Dec 31, 1968 | 28.02 |
| Nov 30, 1968 | 27.98 |
| Oct 31, 1968 | 27.94 |
| Sep 30, 1968 | 27.97 |
| Aug 31, 1968 | 27.93 |
| Jul 31, 1968 | 27.89 |
| Jun 30, 1968 | 27.92 |
| May 31, 1968 | 27.96 |
| Apr 30, 1968 | 27.92 |
| Mar 31, 1968 | 27.87 |
| Feb 29, 1968 | 27.86 |
| Jan 31, 1968 | 27.84 |
| Dec 31, 1967 | 27.91 |
| Nov 30, 1967 | 28.00 |
| Oct 31, 1967 | 28.08 |
| Sep 30, 1967 | 28.16 |
| Aug 31, 1967 | 28.18 |
| Jul 31, 1967 | 28.20 |
| Jun 30, 1967 | 28.22 |
| May 31, 1967 | 28.31 |
| Apr 30, 1967 | 28.39 |
| Mar 31, 1967 | 28.48 |
| Feb 28, 1967 | 28.47 |
| Jan 31, 1967 | 28.37 |
| Dec 31, 1966 | 28.27 |
| Nov 30, 1966 | 28.33 |
| Oct 31, 1966 | 28.40 |
| Sep 30, 1966 | 28.64 |
| Aug 31, 1966 | 28.44 |
| Jul 31, 1966 | 28.42 |
| Jun 30, 1966 | 28.30 |
| May 31, 1966 | 28.23 |
| Apr 30, 1966 | 28.06 |
| Mar 31, 1966 | 28.06 |
| Feb 28, 1966 | 27.95 |
| Jan 31, 1966 | 27.92 |
| Dec 31, 1965 | 27.72 |
| Nov 30, 1965 | 27.60 |
| Oct 31, 1965 | 27.40 |
| Sep 30, 1965 | 27.28 |
| Aug 31, 1965 | 27.11 |
| Jul 31, 1965 | 26.94 |
| Jun 30, 1965 | 26.77 |
| May 31, 1965 | 26.73 |
| Apr 30, 1965 | 26.52 |
| Mar 31, 1965 | 26.40 |
| Feb 28, 1965 | 26.31 |
| Jan 31, 1965 | 26.14 |
| Dec 31, 1964 | 25.97 |
| Nov 30, 1964 | 25.76 |
| Oct 31, 1964 | 25.63 |
| Sep 30, 1964 | 25.42 |
| Aug 31, 1964 | 25.30 |
| Jul 31, 1964 | 25.01 |
| Jun 30, 1964 | 24.88 |
| May 31, 1964 | 24.78 |
| Apr 30, 1964 | 24.61 |
| Mar 31, 1964 | 24.44 |
| Feb 29, 1964 | 24.26 |
| Jan 31, 1964 | 24.09 |
| Dec 31, 1963 | 23.91 |
| Nov 30, 1963 | 23.74 |
| Oct 31, 1963 | 23.50 |
| Sep 30, 1963 | 23.33 |
| Aug 31, 1963 | 23.29 |
| Jul 31, 1963 | 23.26 |
| Jun 30, 1963 | 23.30 |
| May 31, 1963 | 23.20 |
| Apr 30, 1963 | 23.02 |
| Mar 31, 1963 | 22.84 |
| Feb 28, 1963 | 22.85 |
| Jan 31, 1963 | 22.78 |
| Dec 31, 1962 | 22.71 |
| Nov 30, 1962 | 22.53 |
| Oct 31, 1962 | 22.35 |
| Sep 30, 1962 | 22.17 |
| Aug 31, 1962 | 22.17 |
| Jul 31, 1962 | 22.10 |
| Jun 30, 1962 | 22.10 |
| May 31, 1962 | 22.03 |
| Apr 30, 1962 | 21.96 |
| Mar 31, 1962 | 21.96 |
| Feb 28, 1962 | 21.89 |
| Jan 31, 1962 | 21.89 |
| Dec 31, 1961 | 21.82 |
| Nov 30, 1961 | 21.60 |
| Oct 31, 1961 | 21.39 |
| Sep 30, 1961 | 21.17 |
| Aug 31, 1961 | 21.17 |
| Jul 31, 1961 | 21.03 |
| Jun 30, 1961 | 21.10 |
| May 31, 1961 | 21.10 |
| Apr 30, 1961 | 21.10 |
| Mar 31, 1961 | 21.10 |
| Feb 28, 1961 | 21.13 |
| Jan 31, 1961 | 21.17 |
| Dec 31, 1960 | 21.20 |
| Nov 30, 1960 | 21.20 |
| Oct 31, 1960 | 21.20 |
| Sep 30, 1960 | 21.35 |
| Aug 31, 1960 | 21.35 |
| Jul 31, 1960 | 21.35 |
| Jun 30, 1960 | 21.35 |
| May 31, 1960 | 21.38 |
| Apr 30, 1960 | 21.35 |
| Mar 31, 1960 | 21.38 |
| Feb 29, 1960 | 20.98 |
| Jan 31, 1960 | 20.65 |
| Dec 31, 1959 | 20.17 |
| Nov 30, 1959 | 20.10 |
| Oct 31, 1959 | 20.02 |
| Sep 30, 1959 | 20.02 |
| Aug 31, 1959 | 20.01 |
| Jul 31, 1959 | 19.94 |
| Jun 30, 1959 | 19.93 |
| May 31, 1959 | 19.93 |
| Apr 30, 1959 | 19.85 |
| Mar 31, 1959 | 19.85 |
| Feb 28, 1959 | 19.77 |
| Jan 31, 1959 | 19.63 |
| Dec 31, 1958 | 19.62 |
| Nov 30, 1958 | 19.48 |
| Oct 31, 1958 | 19.47 |
| Sep 30, 1958 | 19.40 |
| Aug 31, 1958 | 19.40 |
| Jul 31, 1958 | 19.33 |
| Jun 30, 1958 | 19.40 |
| May 31, 1958 | 19.55 |
| Apr 30, 1958 | 19.70 |
| Mar 31, 1958 | 19.92 |
| Feb 28, 1958 | 20.13 |
| Jan 31, 1958 | 20.21 |
| Dec 31, 1957 | 20.42 |
| Nov 30, 1957 | 20.31 |
| Oct 31, 1957 | 20.27 |
| Sep 30, 1957 | 20.15 |
| Aug 31, 1957 | 20.04 |
| Jul 31, 1957 | 19.92 |
| Jun 30, 1957 | 19.95 |
| May 31, 1957 | 20.02 |
| Apr 30, 1957 | 20.09 |
| Mar 31, 1957 | 20.17 |
| Feb 28, 1957 | 20.28 |
| Jan 31, 1957 | 20.39 |
| Dec 31, 1956 | 20.43 |
| Nov 30, 1956 | 20.90 |
| Oct 31, 1956 | 21.29 |
| Sep 30, 1956 | 21.76 |
| Aug 31, 1956 | 21.68 |
| Jul 31, 1956 | 21.45 |
| Jun 30, 1956 | 21.44 |
| May 31, 1956 | 21.32 |
| Apr 30, 1956 | 21.12 |
| Mar 31, 1956 | 20.92 |
| Feb 29, 1956 | 20.56 |
| Jan 31, 1956 | 20.19 |
| Dec 31, 1955 | 19.83 |
| Nov 30, 1955 | 19.68 |
| Oct 31, 1955 | 19.60 |
| Sep 30, 1955 | 19.52 |
| Aug 31, 1955 | 19.39 |
| Jul 31, 1955 | 19.19 |
| Jun 30, 1955 | 19.05 |
| May 31, 1955 | 19.01 |
| Apr 30, 1955 | 18.97 |
| Mar 31, 1955 | 18.93 |
| Feb 28, 1955 | 18.85 |
| Jan 31, 1955 | 18.77 |
| Dec 31, 1954 | 18.69 |
| Nov 30, 1954 | 18.34 |
| Oct 31, 1954 | 18.06 |
| Sep 30, 1954 | 17.77 |
| Aug 31, 1954 | 17.63 |
| Jul 31, 1954 | 17.55 |
| Jun 30, 1954 | 17.47 |
| May 31, 1954 | 17.55 |
| Apr 30, 1954 | 17.69 |
| Mar 31, 1954 | 17.71 |
| Feb 28, 1954 | 17.63 |
| Jan 31, 1954 | 17.55 |
| Dec 31, 1953 | 17.47 |
| Nov 30, 1953 | 17.35 |
| Oct 31, 1953 | 17.16 |
| Sep 30, 1953 | 17.11 |
| Aug 31, 1953 | 17.11 |
| Jul 31, 1953 | 17.17 |
| Jun 30, 1953 | 17.17 |
| May 31, 1953 | 17.19 |
| Apr 30, 1953 | 17.22 |
| Mar 31, 1953 | 17.18 |
| Feb 28, 1953 | 17.24 |
| Jan 31, 1953 | 17.18 |
| Dec 31, 1952 | 17.11 |
| Nov 30, 1952 | 17.27 |
| Oct 31, 1952 | 17.44 |
| Sep 30, 1952 | 17.60 |
| Aug 31, 1952 | 17.60 |
| Jul 31, 1952 | 17.60 |
| Jun 30, 1952 | 17.73 |
| May 31, 1952 | 17.68 |
| Apr 30, 1952 | 17.55 |
| Mar 31, 1952 | 17.50 |
| Feb 29, 1952 | 17.46 |
| Jan 31, 1952 | 17.28 |
| Dec 31, 1951 | 17.24 |
| Nov 30, 1951 | 17.76 |
| Oct 31, 1951 | 18.35 |
| Sep 30, 1951 | 18.87 |
| Aug 31, 1951 | 19.18 |
| Jul 31, 1951 | 19.35 |
| Jun 30, 1951 | 19.52 |
| May 31, 1951 | 19.35 |
| Apr 30, 1951 | 19.26 |
| Mar 31, 1951 | 19.09 |
| Feb 28, 1951 | 18.96 |
| Jan 31, 1951 | 18.97 |
| Dec 31, 1950 | 19.05 |
| Nov 30, 1950 | 18.67 |
| Oct 31, 1950 | 18.13 |
| Sep 30, 1950 | 17.66 |
| Aug 31, 1950 | 17.16 |
| Jul 31, 1950 | 16.72 |
| Jun 30, 1950 | 16.34 |
| May 31, 1950 | 16.27 |
| Apr 30, 1950 | 16.20 |
| Mar 31, 1950 | 16.07 |
| Feb 28, 1950 | 16.00 |
| Jan 31, 1950 | 15.86 |
| Dec 31, 1949 | 15.65 |
| Nov 30, 1949 | 15.07 |
| Oct 31, 1949 | 14.68 |
| Sep 30, 1949 | 14.10 |
| Aug 31, 1949 | 14.07 |
| Jul 31, 1949 | 14.04 |
| Jun 30, 1949 | 13.83 |
| May 31, 1949 | 13.71 |
| Apr 30, 1949 | 13.47 |
| Mar 31, 1949 | 13.34 |
| Feb 28, 1949 | 13.12 |
| Jan 31, 1949 | 12.78 |
| Dec 31, 1948 | 12.50 |
| Nov 30, 1948 | 12.19 |
| Oct 31, 1948 | 11.82 |
| Sep 30, 1948 | 11.51 |
| Aug 31, 1948 | 11.42 |
| Jul 31, 1948 | 11.38 |
| Jun 30, 1948 | 11.43 |
| May 31, 1948 | 11.52 |
| Apr 30, 1948 | 11.57 |
| Mar 31, 1948 | 11.77 |
| Feb 29, 1948 | 11.68 |
| Jan 31, 1948 | 11.53 |
| Dec 31, 1947 | 11.63 |
| Nov 30, 1947 | 11.55 |
| Oct 31, 1947 | 11.37 |
| Sep 30, 1947 | 11.13 |
| Aug 31, 1947 | 11.23 |
| Jul 31, 1947 | 11.24 |
| Jun 30, 1947 | 11.19 |
| May 31, 1947 | 11.05 |
| Apr 30, 1947 | 10.85 |
| Mar 31, 1947 | 10.65 |
| Feb 28, 1947 | 10.80 |
| Jan 31, 1947 | 10.75 |
| Dec 31, 1946 | 10.70 |
| Nov 30, 1946 | 10.70 |
| Oct 31, 1946 | 10.85 |
| Sep 30, 1946 | 10.96 |
| Aug 31, 1946 | 11.02 |
| Jul 31, 1946 | 11.18 |
| Jun 30, 1946 | 11.78 |
| May 31, 1946 | 11.91 |
| Apr 30, 1946 | 11.98 |
| Mar 31, 1946 | 12.04 |
| Feb 28, 1946 | 12.06 |
| Jan 31, 1946 | 11.87 |
| Dec 31, 1945 | 11.75 |
| Nov 30, 1945 | 11.82 |
| Oct 31, 1945 | 11.82 |
| Sep 30, 1945 | 11.82 |
| Aug 31, 1945 | 11.76 |
| Jul 31, 1945 | 11.70 |
| Jun 30, 1945 | 11.64 |
| May 31, 1945 | 11.77 |
| Apr 30, 1945 | 11.83 |
| Mar 31, 1945 | 11.83 |
| Feb 28, 1945 | 11.77 |
| Jan 31, 1945 | 11.71 |
| Dec 31, 1944 | 11.65 |
| Nov 30, 1944 | 11.72 |
| Oct 31, 1944 | 11.72 |
| Sep 30, 1944 | 11.72 |
| Aug 31, 1944 | 11.66 |
| Jul 31, 1944 | 11.60 |
| Jun 30, 1944 | 11.60 |
| May 31, 1944 | 11.60 |
| Apr 30, 1944 | 11.54 |
| Mar 31, 1944 | 11.55 |
| Feb 29, 1944 | 11.48 |
| Jan 31, 1944 | 11.42 |
| Dec 31, 1943 | 11.36 |
| Nov 30, 1943 | 11.30 |
| Oct 31, 1943 | 11.24 |
| Sep 30, 1943 | 11.17 |
| Aug 31, 1943 | 11.18 |
| Jul 31, 1943 | 11.05 |
| Jun 30, 1943 | 10.93 |
| May 31, 1943 | 10.93 |
| Apr 30, 1943 | 10.99 |
| Mar 31, 1943 | 11.12 |
| Feb 28, 1943 | 11.31 |
| Jan 31, 1943 | 11.31 |
| Dec 31, 1942 | 11.31 |
| Nov 30, 1942 | 11.57 |
| Oct 31, 1942 | 11.84 |
| Sep 30, 1942 | 12.18 |
| Aug 31, 1942 | 12.44 |
| Jul 31, 1942 | 12.78 |
| Jun 30, 1942 | 13.12 |
| May 31, 1942 | 13.32 |
| Apr 30, 1942 | 13.69 |
| Mar 31, 1942 | 13.97 |
| Feb 28, 1942 | 14.29 |
| Jan 31, 1942 | 14.52 |
| Dec 31, 1941 | 14.84 |
| Nov 30, 1941 | 14.87 |
| Oct 31, 1941 | 14.90 |
| Sep 30, 1941 | 15.02 |
| Aug 31, 1941 | 15.15 |
| Jul 31, 1941 | 15.28 |
| Jun 30, 1941 | 15.21 |
| May 31, 1941 | 15.45 |
| Apr 30, 1941 | 15.49 |
| Mar 31, 1941 | 15.52 |
| Feb 28, 1941 | 15.55 |
| Jan 31, 1941 | 15.47 |
| Dec 31, 1940 | 15.40 |
| Nov 30, 1940 | 15.51 |
| Oct 31, 1940 | 15.51 |
| Sep 30, 1940 | 15.51 |
| Aug 31, 1940 | 15.35 |
| Jul 31, 1940 | 15.20 |
| Jun 30, 1940 | 14.94 |
| May 31, 1940 | 14.89 |
| Apr 30, 1940 | 14.74 |
| Mar 31, 1940 | 14.58 |
| Feb 29, 1940 | 14.51 |
| Jan 31, 1940 | 14.53 |
| Dec 31, 1939 | 14.35 |
| Nov 30, 1939 | 13.89 |
| Oct 31, 1939 | 13.43 |
| Sep 30, 1939 | 12.87 |
| Aug 31, 1939 | 12.92 |
| Jul 31, 1939 | 12.68 |
| Jun 30, 1939 | 12.45 |
| May 31, 1939 | 12.37 |
| Apr 30, 1939 | 12.29 |
| Mar 31, 1939 | 12.12 |
| Feb 28, 1939 | 12.05 |
| Jan 31, 1939 | 11.88 |
| Dec 31, 1938 | 11.80 |
| Nov 30, 1938 | 12.96 |
| Oct 31, 1938 | 14.12 |
| Sep 30, 1938 | 15.17 |
| Aug 31, 1938 | 15.78 |
| Jul 31, 1938 | 16.39 |
| Jun 30, 1938 | 17.01 |
| May 31, 1938 | 17.31 |
| Apr 30, 1938 | 17.50 |
| Mar 31, 1938 | 17.93 |
| Feb 28, 1938 | 18.08 |
| Jan 31, 1938 | 18.10 |
| Dec 31, 1937 | 18.00 |
| Nov 30, 1937 | 17.66 |
| Oct 31, 1937 | 17.31 |
| Sep 30, 1937 | 17.09 |
| Aug 31, 1937 | 17.73 |
| Jul 31, 1937 | 18.25 |
| Jun 30, 1937 | 18.90 |
| May 31, 1937 | 18.23 |
| Apr 30, 1937 | 17.68 |
| Mar 31, 1937 | 17.12 |
| Feb 28, 1937 | 17.01 |
| Jan 31, 1937 | 16.78 |
| Dec 31, 1936 | 16.67 |
| Nov 30, 1936 | 15.82 |
| Oct 31, 1936 | 14.97 |
| Sep 30, 1936 | 14.12 |
| Aug 31, 1936 | 13.66 |
| Jul 31, 1936 | 13.29 |
| Jun 30, 1936 | 12.92 |
| May 31, 1936 | 12.62 |
| Apr 30, 1936 | 12.22 |
| Mar 31, 1936 | 11.83 |
| Feb 29, 1936 | 11.51 |
| Jan 31, 1936 | 11.27 |
| Dec 31, 1935 | 11.04 |
| Nov 30, 1935 | 10.80 |
| Oct 31, 1935 | 10.64 |
| Sep 30, 1935 | 10.41 |
| Aug 31, 1935 | 10.41 |
| Jul 31, 1935 | 10.41 |
| Jun 30, 1935 | 10.41 |
| May 31, 1935 | 10.41 |
| Apr 30, 1935 | 10.49 |
| Mar 31, 1935 | 10.64 |
| Feb 28, 1935 | 10.64 |
| Jan 31, 1935 | 10.72 |
| Dec 31, 1934 | 10.88 |
| Nov 30, 1934 | 10.78 |
| Oct 31, 1934 | 10.76 |
| Sep 30, 1934 | 10.66 |
| Aug 31, 1934 | 10.80 |
| Jul 31, 1934 | 10.78 |
| Jun 30, 1934 | 10.76 |
| May 31, 1934 | 10.82 |
| Apr 30, 1934 | 10.80 |
| Mar 31, 1934 | 10.78 |
| Feb 28, 1934 | 10.76 |
| Jan 31, 1934 | 10.82 |
| Dec 31, 1933 | 10.80 |
| Nov 30, 1933 | 10.92 |
| Oct 31, 1933 | 11.05 |
| Sep 30, 1933 | 11.17 |
| Aug 31, 1933 | 11.29 |
| Jul 31, 1933 | 11.50 |
| Jun 30, 1933 | 11.99 |
| May 31, 1933 | 12.22 |
| Apr 30, 1933 | 12.34 |
| Mar 31, 1933 | 12.47 |
| Feb 28, 1933 | 12.50 |
| Jan 31, 1933 | 12.43 |
| Dec 31, 1932 | 12.37 |
| Nov 30, 1932 | 12.93 |
| Oct 31, 1932 | 13.48 |
| Sep 30, 1932 | 14.03 |
| Aug 31, 1932 | 14.56 |
| Jul 31, 1932 | 15.09 |
| Jun 30, 1932 | 15.73 |
| May 31, 1932 | 16.24 |
| Apr 30, 1932 | 16.63 |
| Mar 31, 1932 | 17.13 |
| Feb 29, 1932 | 17.62 |
| Jan 31, 1932 | 17.98 |
| Dec 31, 1931 | 18.20 |
| Nov 30, 1931 | 18.37 |
| Oct 31, 1931 | 18.41 |
| Sep 30, 1931 | 18.58 |
| Aug 31, 1931 | 18.74 |
| Jul 31, 1931 | 19.03 |
| Jun 30, 1931 | 19.31 |
| May 31, 1931 | 19.34 |
| Apr 30, 1931 | 19.37 |
| Mar 31, 1931 | 19.53 |
| Feb 28, 1931 | 19.68 |
| Jan 31, 1931 | 19.70 |
| Dec 31, 1930 | 19.73 |
| Nov 30, 1930 | 19.35 |
| Oct 31, 1930 | 19.21 |
| Sep 30, 1930 | 19.08 |
| Aug 31, 1930 | 19.18 |
| Jul 31, 1930 | 19.05 |
| Jun 30, 1930 | 18.81 |
| May 31, 1930 | 18.68 |
| Apr 30, 1930 | 18.55 |
| Mar 31, 1930 | 18.65 |
| Feb 28, 1930 | 18.52 |
| Jan 31, 1930 | 18.40 |
| Dec 31, 1929 | 18.28 |
| Nov 30, 1929 | 17.98 |
| Oct 31, 1929 | 17.79 |
| Sep 30, 1929 | 17.61 |
| Aug 31, 1929 | 17.42 |
| Jul 31, 1929 | 17.23 |
| Jun 30, 1929 | 17.24 |
| May 31, 1929 | 17.16 |
| Apr 30, 1929 | 17.07 |
| Mar 31, 1929 | 16.77 |
| Feb 28, 1929 | 16.49 |
| Jan 31, 1929 | 16.30 |
| Dec 31, 1928 | 16.11 |
| Nov 30, 1928 | 15.89 |
| Oct 31, 1928 | 15.76 |
| Sep 30, 1928 | 15.55 |
| Aug 31, 1928 | 15.60 |
| Jul 31, 1928 | 15.48 |
| Jun 30, 1928 | 15.35 |
| May 31, 1928 | 15.13 |
| Apr 30, 1928 | 15.10 |
| Mar 31, 1928 | 14.97 |
| Feb 29, 1928 | 14.84 |
| Jan 31, 1928 | 14.55 |
| Dec 31, 1927 | 14.42 |
| Nov 30, 1927 | 14.30 |
| Oct 31, 1927 | 14.09 |
| Sep 30, 1927 | 14.05 |
| Aug 31, 1927 | 14.00 |
| Jul 31, 1927 | 13.80 |
| Jun 30, 1927 | 13.44 |
| May 31, 1927 | 13.47 |
| Apr 30, 1927 | 13.42 |
| Mar 31, 1927 | 13.30 |
| Feb 28, 1927 | 13.10 |
| Jan 31, 1927 | 12.90 |
| Dec 31, 1926 | 12.63 |
| Nov 30, 1926 | 12.50 |
| Oct 31, 1926 | 12.43 |
| Sep 30, 1926 | 12.36 |
| Aug 31, 1926 | 12.29 |
| Jul 31, 1926 | 12.08 |
| Jun 30, 1926 | 11.81 |
| May 31, 1926 | 11.61 |
| Apr 30, 1926 | 11.41 |
| Mar 31, 1926 | 11.33 |
| Feb 28, 1926 | 11.13 |
| Jan 31, 1926 | 11.00 |
| Dec 31, 1925 | 10.86 |
| Nov 30, 1925 | 10.73 |
| Oct 31, 1925 | 10.83 |
| Sep 30, 1925 | 10.76 |
| Aug 31, 1925 | 10.68 |
| Jul 31, 1925 | 10.60 |
| Jun 30, 1925 | 10.65 |
| May 31, 1925 | 10.69 |
| Apr 30, 1925 | 10.68 |
| Mar 31, 1925 | 10.54 |
| Feb 28, 1925 | 10.52 |
| Jan 31, 1925 | 10.38 |
| Dec 31, 1924 | 10.30 |
| Nov 30, 1924 | 10.33 |
| Oct 31, 1924 | 10.30 |
| Sep 30, 1924 | 10.33 |
| Aug 31, 1924 | 10.36 |
| Jul 31, 1924 | 10.27 |
| Jun 30, 1924 | 10.29 |
| May 31, 1924 | 10.26 |
| Apr 30, 1924 | 10.23 |
| Mar 31, 1924 | 10.14 |
| Feb 29, 1924 | 10.05 |
| Jan 31, 1924 | 9.96 |
| Dec 31, 1923 | 9.93 |
| Nov 30, 1923 | 9.90 |
| Oct 31, 1923 | 9.87 |
| Sep 30, 1923 | 9.89 |
| Aug 31, 1923 | 9.92 |
| Jul 31, 1923 | 9.83 |
| Jun 30, 1923 | 9.91 |
| May 31, 1923 | 9.94 |
| Apr 30, 1923 | 9.91 |
| Mar 31, 1923 | 9.93 |
| Feb 28, 1923 | 9.90 |
| Jan 31, 1923 | 9.87 |
| Dec 31, 1922 | 9.78 |
| Nov 30, 1922 | 9.76 |
| Oct 31, 1922 | 9.74 |
| Sep 30, 1922 | 9.71 |
| Aug 31, 1922 | 9.63 |
| Jul 31, 1922 | 9.44 |
| Jun 30, 1922 | 9.41 |
| May 31, 1922 | 9.33 |
| Apr 30, 1922 | 9.25 |
| Mar 31, 1922 | 9.17 |
| Feb 28, 1922 | 8.98 |
| Jan 31, 1922 | 8.90 |
| Dec 31, 1921 | 8.62 |
| Nov 30, 1921 | 8.65 |
| Oct 31, 1921 | 8.67 |
| Sep 30, 1921 | 8.75 |
| Aug 31, 1921 | 8.73 |
| Jul 31, 1921 | 8.80 |
| Jun 30, 1921 | 8.93 |
| May 31, 1921 | 8.96 |
| Apr 30, 1921 | 8.83 |
| Mar 31, 1921 | 8.81 |
| Feb 28, 1921 | 8.84 |
| Jan 31, 1921 | 8.63 |
| Dec 31, 1920 | 8.52 |
| Nov 30, 1920 | 8.37 |
| Oct 31, 1920 | 8.36 |
| Sep 30, 1920 | 8.34 |
| Aug 31, 1920 | 8.25 |
| Jul 31, 1920 | 8.07 |
| Jun 30, 1920 | 8.06 |
| May 31, 1920 | 8.21 |
| Apr 30, 1920 | 8.35 |
| Mar 31, 1920 | 8.64 |
| Feb 29, 1920 | 8.75 |
| Jan 31, 1920 | 8.87 |
| Dec 31, 1919 | 9.09 |
| Nov 30, 1919 | 9.34 |
| Oct 31, 1919 | 9.61 |
| Sep 30, 1919 | 9.83 |
| Aug 31, 1919 | 9.95 |
| Jul 31, 1919 | 10.18 |
| Jun 30, 1919 | 10.55 |
| May 31, 1919 | 10.61 |
| Apr 30, 1919 | 10.80 |
| Mar 31, 1919 | 11.07 |
| Feb 28, 1919 | 11.27 |
| Jan 31, 1919 | 11.13 |
| Dec 31, 1918 | 11.19 |
| Nov 30, 1918 | 11.53 |
| Oct 31, 1918 | 11.95 |
| Sep 30, 1918 | 12.38 |
| Aug 31, 1918 | 12.84 |
| Jul 31, 1918 | 13.31 |
| Jun 30, 1918 | 13.89 |
| May 31, 1918 | 14.30 |
| Apr 30, 1918 | 14.83 |
| Mar 31, 1918 | 15.28 |
| Feb 28, 1918 | 15.40 |
| Jan 31, 1918 | 15.74 |
| Dec 31, 1917 | 16.32 |
| Nov 30, 1917 | 16.30 |
| Oct 31, 1917 | 16.04 |
| Sep 30, 1917 | 16.02 |
| Aug 31, 1917 | 16.12 |
| Jul 31, 1917 | 16.10 |
| Jun 30, 1917 | 15.58 |
| May 31, 1917 | 15.55 |
| Apr 30, 1917 | 15.52 |
| Mar 31, 1917 | 16.00 |
| Feb 28, 1917 | 15.71 |
| Jan 31, 1917 | 15.81 |
| Dec 31, 1916 | 15.64 |
| Nov 30, 1916 | 15.48 |
| Oct 31, 1916 | 15.44 |
| Sep 30, 1916 | 15.40 |
| Aug 31, 1916 | 15.36 |
| Jul 31, 1916 | 15.18 |
| Jun 30, 1916 | 14.85 |
| May 31, 1916 | 14.66 |
| Apr 30, 1916 | 14.47 |
| Mar 31, 1916 | 14.27 |
| Feb 29, 1916 | 14.07 |
| Jan 31, 1916 | 13.73 |
| Dec 31, 1915 | 13.53 |
| Nov 30, 1915 | 13.50 |
| Oct 31, 1915 | 13.61 |
| Sep 30, 1915 | 13.72 |
| Aug 31, 1915 | 13.69 |
| Jul 31, 1915 | 13.66 |
| Jun 30, 1915 | 13.64 |
| May 31, 1915 | 13.61 |
| Apr 30, 1915 | 13.72 |
| Mar 31, 1915 | 13.83 |
| Feb 28, 1915 | 13.67 |
| Jan 31, 1915 | 13.50 |
| Dec 31, 1914 | 13.48 |
| Nov 30, 1914 | 13.50 |
| Oct 31, 1914 | 13.80 |
| Sep 30, 1914 | 13.82 |
| Aug 31, 1914 | 13.98 |
| Jul 31, 1914 | 14.42 |
| Jun 30, 1914 | 14.73 |
| May 31, 1914 | 14.89 |
| Apr 30, 1914 | 15.21 |
| Mar 31, 1914 | 15.22 |
| Feb 28, 1914 | 15.38 |
| Jan 31, 1914 | 15.39 |
| Dec 31, 1913 | 15.55 |
| Nov 30, 1913 | 15.40 |
| Oct 31, 1913 | 15.55 |
| Sep 30, 1913 | 15.55 |
| Aug 31, 1913 | 15.71 |
| Jul 31, 1913 | 15.71 |
| Jun 30, 1913 | 15.87 |
| May 31, 1913 | 16.04 |
| Apr 30, 1913 | 15.87 |
| Mar 31, 1913 | 15.87 |
| Feb 28, 1913 | 15.87 |
| Jan 31, 1913 | 15.87 |
| Dec 31, 1912 | 16.04 |
| Nov 30, 1912 | 15.85 |
| Oct 31, 1912 | 15.82 |
| Sep 30, 1912 | 15.79 |
| Aug 31, 1912 | 15.93 |
| Jul 31, 1912 | 16.04 |
| Jun 30, 1912 | 16.02 |
| May 31, 1912 | 15.84 |
| Apr 30, 1912 | 15.81 |
| Mar 31, 1912 | 16.25 |
| Feb 29, 1912 | 16.56 |
| Jan 31, 1912 | 16.71 |
| Dec 31, 1911 | 16.85 |
| Nov 30, 1911 | 16.68 |
| Oct 31, 1911 | 16.50 |
| Sep 30, 1911 | 16.50 |
| Aug 31, 1911 | 16.68 |
| Jul 31, 1911 | 17.21 |
| Jun 30, 1911 | 17.41 |
| May 31, 1911 | 17.41 |
| Apr 30, 1911 | 17.41 |
| Mar 31, 1911 | 16.85 |
| Feb 28, 1911 | 17.04 |
| Jan 31, 1911 | 16.50 |
| Dec 31, 1910 | 16.50 |
| Nov 30, 1910 | 16.41 |
| Oct 31, 1910 | 16.00 |
| Sep 30, 1910 | 15.45 |
| Aug 31, 1910 | 15.21 |
| Jul 31, 1910 | 14.98 |
| Jun 30, 1910 | 14.89 |
| May 31, 1910 | 14.68 |
| Apr 30, 1910 | 14.32 |
| Mar 31, 1910 | 14.37 |
| Feb 28, 1910 | 14.57 |
| Jan 31, 1910 | 14.48 |
| Dec 31, 1909 | 14.27 |
| Nov 30, 1909 | 14.29 |
| Oct 31, 1909 | 14.33 |
| Sep 30, 1909 | 14.50 |
| Aug 31, 1909 | 14.54 |
| Jul 31, 1909 | 14.56 |
| Jun 30, 1909 | 14.45 |
| May 31, 1909 | 14.49 |
| Apr 30, 1909 | 14.51 |
| Mar 31, 1909 | 14.70 |
| Feb 28, 1909 | 14.58 |
| Jan 31, 1909 | 14.62 |
| Dec 31, 1908 | 14.34 |
| Nov 30, 1908 | 14.62 |
| Oct 31, 1908 | 14.89 |
| Sep 30, 1908 | 15.18 |
| Aug 31, 1908 | 15.31 |
| Jul 31, 1908 | 15.43 |
| Jun 30, 1908 | 15.72 |
| May 31, 1908 | 15.84 |
| Apr 30, 1908 | 15.97 |
| Mar 31, 1908 | 16.28 |
| Feb 29, 1908 | 16.40 |
| Jan 31, 1908 | 16.34 |
| Dec 31, 1907 | 16.30 |
| Nov 30, 1907 | 15.83 |
| Oct 31, 1907 | 15.07 |
| Sep 30, 1907 | 15.10 |
| Aug 31, 1907 | 14.98 |
| Jul 31, 1907 | 14.86 |
| Jun 30, 1907 | 14.75 |
| May 31, 1907 | 14.79 |
| Apr 30, 1907 | 14.98 |
| Mar 31, 1907 | 14.86 |
| Feb 28, 1907 | 14.58 |
| Jan 31, 1907 | 14.77 |
| Dec 31, 1906 | 14.50 |
| Nov 30, 1906 | 14.43 |
| Oct 31, 1906 | 14.38 |
| Sep 30, 1906 | 14.48 |
| Aug 31, 1906 | 14.41 |
| Jul 31, 1906 | 14.51 |
| Jun 30, 1906 | 13.82 |
| May 31, 1906 | 13.60 |
| Apr 30, 1906 | 13.52 |
| Mar 31, 1906 | 13.30 |
| Feb 28, 1906 | 13.07 |
| Jan 31, 1906 | 12.85 |
| Dec 31, 1905 | 12.63 |
| Nov 30, 1905 | 12.71 |
| Oct 31, 1905 | 12.79 |
| Sep 30, 1905 | 12.72 |
| Aug 31, 1905 | 12.52 |
| Jul 31, 1905 | 12.59 |
| Jun 30, 1905 | 12.52 |
| May 31, 1905 | 12.46 |
| Apr 30, 1905 | 12.26 |
| Mar 31, 1905 | 12.20 |
| Feb 28, 1905 | 11.99 |
| Jan 31, 1905 | 11.93 |
| Dec 31, 1904 | 11.86 |
| Nov 30, 1904 | 11.99 |
| Oct 31, 1904 | 12.39 |
| Sep 30, 1904 | 12.52 |
| Aug 31, 1904 | 12.81 |
| Jul 31, 1904 | 13.09 |
| Jun 30, 1904 | 13.22 |
| May 31, 1904 | 13.35 |
| Apr 30, 1904 | 13.18 |
| Mar 31, 1904 | 13.16 |
| Feb 29, 1904 | 13.13 |
| Jan 31, 1904 | 13.57 |
| Dec 31, 1903 | 14.02 |
| Nov 30, 1903 | 13.95 |
| Oct 31, 1903 | 13.73 |
| Sep 30, 1903 | 13.50 |
| Aug 31, 1903 | 13.60 |
| Jul 31, 1903 | 13.54 |
| Jun 30, 1903 | 13.47 |
| May 31, 1903 | 13.40 |
| Apr 30, 1903 | 13.04 |
| Mar 31, 1903 | 12.97 |
| Feb 28, 1903 | 12.47 |
| Jan 31, 1903 | 12.41 |
| Dec 31, 1902 | 12.49 |
| Nov 30, 1902 | 12.59 |
| Oct 31, 1902 | 12.16 |
| Sep 30, 1902 | 12.97 |
| Aug 31, 1902 | 13.09 |
| Jul 31, 1902 | 12.91 |
| Jun 30, 1902 | 12.88 |
| May 31, 1902 | 12.99 |
| Apr 30, 1902 | 13.11 |
| Mar 31, 1902 | 13.23 |
| Feb 28, 1902 | 13.20 |
| Jan 31, 1902 | 13.16 |
| Dec 31, 1901 | 12.98 |
| Nov 30, 1901 | 13.06 |
| Oct 31, 1901 | 13.16 |
| Sep 30, 1901 | 13.09 |
| Aug 31, 1901 | 13.17 |
| Jul 31, 1901 | 13.27 |
| Jun 30, 1901 | 13.36 |
| May 31, 1901 | 13.29 |
| Apr 30, 1901 | 13.22 |
| Mar 31, 1901 | 12.99 |
| Feb 28, 1901 | 12.92 |
| Jan 31, 1901 | 12.68 |
| Dec 31, 1900 | 12.77 |
| Nov 30, 1900 | 12.29 |
| Oct 31, 1900 | 11.98 |
| Sep 30, 1900 | 11.53 |
| Aug 31, 1900 | 11.35 |
| Jul 31, 1900 | 10.91 |
| Jun 30, 1900 | 10.72 |
| May 31, 1900 | 10.28 |
| Apr 30, 1900 | 9.73 |
| Mar 31, 1900 | 9.43 |
| Feb 28, 1900 | 9.13 |
| Jan 31, 1900 | 8.92 |
| Dec 31, 1899 | 8.61 |
| Nov 30, 1899 | 8.69 |
| Oct 31, 1899 | 8.75 |
| Sep 30, 1899 | 8.84 |
| Aug 31, 1899 | 9.14 |
| Jul 31, 1899 | 9.22 |
| Jun 30, 1899 | 9.30 |
| May 31, 1899 | 9.40 |
| Apr 30, 1899 | 9.36 |
| Mar 31, 1899 | 9.44 |
| Feb 28, 1899 | 9.40 |
| Jan 31, 1899 | 9.63 |
| Dec 31, 1898 | 9.59 |
| Nov 30, 1898 | 9.65 |
| Oct 31, 1898 | 9.57 |
| Sep 30, 1898 | 9.49 |
| Aug 31, 1898 | 9.41 |
| Jul 31, 1898 | 9.33 |
| Jun 30, 1898 | 9.11 |
| May 31, 1898 | 8.44 |
| Apr 30, 1898 | 8.95 |
| Mar 31, 1898 | 8.87 |
| Feb 28, 1898 | 8.79 |
| Jan 31, 1898 | 8.84 |
| Dec 31, 1897 | 8.76 |
| Nov 30, 1897 | 8.76 |
| Oct 31, 1897 | 8.76 |
| Sep 30, 1897 | 8.63 |
| Aug 31, 1897 | 8.88 |
| Jul 31, 1897 | 9.29 |
| Jun 30, 1897 | 9.29 |
| May 31, 1897 | 9.29 |
| Apr 30, 1897 | 9.16 |
| Mar 31, 1897 | 9.02 |
| Feb 28, 1897 | 9.02 |
| Jan 31, 1897 | 9.02 |
| Dec 31, 1896 | 8.76 |
| Nov 30, 1896 | 8.80 |
| Oct 31, 1896 | 9.10 |
| Sep 30, 1896 | 9.42 |
| Aug 31, 1896 | 9.46 |
| Jul 31, 1896 | 9.50 |
| Jun 30, 1896 | 9.55 |
| May 31, 1896 | 9.45 |
| Apr 30, 1896 | 9.35 |
| Mar 31, 1896 | 9.25 |
| Feb 29, 1896 | 9.29 |
| Jan 31, 1896 | 9.21 |
| Dec 31, 1895 | 9.11 |
| Nov 30, 1895 | 9.07 |
| Oct 31, 1895 | 9.14 |
| Sep 30, 1895 | 9.22 |
| Aug 31, 1895 | 9.31 |
| Jul 31, 1895 | 9.25 |
| Jun 30, 1895 | 9.21 |
| May 31, 1895 | 9.40 |
| Apr 30, 1895 | 9.62 |
| Mar 31, 1895 | 10.11 |
| Feb 28, 1895 | 10.20 |
| Jan 31, 1895 | 10.27 |
| Dec 31, 1894 | 10.36 |
| Nov 30, 1894 | 10.38 |
| Oct 31, 1894 | 10.54 |
| Sep 30, 1894 | 10.41 |
| Aug 31, 1894 | 10.70 |
| Jul 31, 1894 | 11.18 |
| Jun 30, 1894 | 11.34 |
| May 31, 1894 | 11.51 |
| Apr 30, 1894 | 11.67 |
| Mar 31, 1894 | 11.84 |
| Feb 28, 1894 | 11.66 |
| Jan 31, 1894 | 11.67 |
| Dec 31, 1893 | 11.51 |
| Nov 30, 1893 | 11.31 |
| Oct 31, 1893 | 10.98 |
| Sep 30, 1893 | 11.09 |
| Aug 31, 1893 | 11.50 |
| Jul 31, 1893 | 11.02 |
| Jun 30, 1893 | 10.70 |
| May 31, 1893 | 10.40 |
| Apr 30, 1893 | 10.23 |
| Mar 31, 1893 | 10.07 |
| Feb 28, 1893 | 9.80 |
| Jan 31, 1893 | 9.88 |
| Dec 31, 1892 | 10.22 |
| Nov 30, 1892 | 10.27 |
| Oct 31, 1892 | 10.46 |
| Sep 30, 1892 | 10.39 |
| Aug 31, 1892 | 10.31 |
| Jul 31, 1892 | 10.38 |
| Jun 30, 1892 | 10.59 |
| May 31, 1892 | 10.51 |
| Apr 30, 1892 | 10.44 |
| Mar 31, 1892 | 10.21 |
| Feb 29, 1892 | 9.87 |
| Jan 31, 1892 | 9.80 |
| Dec 31, 1891 | 9.48 |
| Nov 30, 1891 | 9.48 |
| Oct 31, 1891 | 9.37 |
| Sep 30, 1891 | 9.37 |
| Aug 31, 1891 | 9.25 |
| Jul 31, 1891 | 9.25 |
| Jun 30, 1891 | 9.14 |
| May 31, 1891 | 8.92 |
| Apr 30, 1891 | 8.81 |
| Mar 31, 1891 | 8.92 |
| Feb 28, 1891 | 9.02 |
| Jan 31, 1891 | 9.14 |
| Dec 31, 1890 | 9.02 |
| Nov 30, 1890 | 9.02 |
| Oct 31, 1890 | 8.81 |
| Sep 30, 1890 | 8.81 |
| Aug 31, 1890 | 8.92 |
| Jul 31, 1890 | 9.25 |
| Jun 30, 1890 | 9.25 |
| May 31, 1890 | 9.25 |
| Apr 30, 1890 | 9.37 |
| Mar 31, 1890 | 9.37 |
| Feb 28, 1890 | 9.37 |
| Jan 31, 1890 | 9.37 |
| Dec 31, 1889 | 9.14 |
| Nov 30, 1889 | 9.28 |
| Oct 31, 1889 | 9.32 |
| Sep 30, 1889 | 9.35 |
| Aug 31, 1889 | 9.51 |
| Jul 31, 1889 | 9.55 |
| Jun 30, 1889 | 9.58 |
| May 31, 1889 | 9.62 |
| Apr 30, 1889 | 9.42 |
| Mar 31, 1889 | 9.45 |
| Feb 28, 1889 | 9.36 |
| Jan 31, 1889 | 9.30 |
| Dec 31, 1888 | 9.00 |
| Nov 30, 1888 | 9.07 |
| Oct 31, 1888 | 9.24 |
| Sep 30, 1888 | 9.41 |
| Aug 31, 1888 | 9.48 |
| Jul 31, 1888 | 9.55 |
| Jun 30, 1888 | 9.73 |
| May 31, 1888 | 9.68 |
| Apr 30, 1888 | 9.64 |
| Mar 31, 1888 | 9.59 |
| Feb 29, 1888 | 9.66 |
| Jan 31, 1888 | 9.61 |
| Dec 31, 1887 | 9.78 |
| Nov 30, 1887 | 9.91 |
| Oct 31, 1887 | 9.94 |
| Sep 30, 1887 | 9.95 |
| Aug 31, 1887 | 9.73 |
| Jul 31, 1887 | 9.74 |
| Jun 30, 1887 | 9.53 |
| May 31, 1887 | 9.31 |
| Apr 30, 1887 | 9.21 |
| Mar 31, 1887 | 9.11 |
| Feb 28, 1887 | 9.01 |
| Jan 31, 1887 | 9.02 |
| Dec 31, 1886 | 9.14 |
| Nov 30, 1886 | 9.32 |
| Oct 31, 1886 | 9.39 |
| Sep 30, 1886 | 9.46 |
| Aug 31, 1886 | 9.53 |
| Jul 31, 1886 | 9.72 |
| Jun 30, 1886 | 9.91 |
| May 31, 1886 | 9.87 |
| Apr 30, 1886 | 9.69 |
| Mar 31, 1886 | 9.64 |
| Feb 28, 1886 | 9.60 |
| Jan 31, 1886 | 9.66 |
| Dec 31, 1885 | 9.51 |
| Nov 30, 1885 | 9.97 |
| Oct 31, 1885 | 10.32 |
| Sep 30, 1885 | 10.56 |
| Aug 31, 1885 | 10.68 |
| Jul 31, 1885 | 10.92 |
| Jun 30, 1885 | 11.28 |
| May 31, 1885 | 11.25 |
| Apr 30, 1885 | 11.22 |
| Mar 31, 1885 | 11.59 |
| Feb 28, 1885 | 11.55 |
| Jan 31, 1885 | 11.91 |
| Dec 31, 1884 | 12.13 |
| Nov 30, 1884 | 12.07 |
| Oct 31, 1884 | 11.86 |
| Sep 30, 1884 | 11.79 |
| Aug 31, 1884 | 11.73 |
| Jul 31, 1884 | 11.79 |
| Jun 30, 1884 | 11.72 |
| May 31, 1884 | 11.78 |
| Apr 30, 1884 | 11.59 |
| Mar 31, 1884 | 11.41 |
| Feb 29, 1884 | 11.47 |
| Jan 31, 1884 | 11.53 |
| Dec 31, 1883 | 11.59 |
| Nov 30, 1883 | 11.68 |
| Oct 31, 1883 | 11.53 |
| Sep 30, 1883 | 11.50 |
| Aug 31, 1883 | 11.36 |
| Jul 31, 1883 | 11.33 |
| Jun 30, 1883 | 11.07 |
| May 31, 1883 | 10.72 |
| Apr 30, 1883 | 10.58 |
| Mar 31, 1883 | 10.46 |
| Feb 28, 1883 | 10.33 |
| Jan 31, 1883 | 10.41 |
| Dec 31, 1882 | 10.38 |
| Nov 30, 1882 | 10.28 |
| Oct 31, 1882 | 10.19 |
| Sep 30, 1882 | 10.09 |
| Aug 31, 1882 | 9.82 |
| Jul 31, 1882 | 9.90 |
| Jun 30, 1882 | 9.82 |
| May 31, 1882 | 9.90 |
| Apr 30, 1882 | 10.00 |
| Mar 31, 1882 | 10.09 |
| Feb 28, 1882 | 10.09 |
| Jan 31, 1882 | 10.19 |
| Dec 31, 1881 | 10.19 |
| Nov 30, 1881 | 10.03 |
| Oct 31, 1881 | 9.77 |
| Sep 30, 1881 | 9.71 |
| Aug 31, 1881 | 9.92 |
| Jul 31, 1881 | 9.95 |
| Jun 30, 1881 | 9.88 |
| May 31, 1881 | 9.71 |
| Apr 30, 1881 | 9.44 |
| Mar 31, 1881 | 9.37 |
| Feb 28, 1881 | 9.20 |
| Jan 31, 1881 | 9.12 |
| Dec 31, 1880 | 8.86 |
| Nov 30, 1880 | 8.77 |
| Oct 31, 1880 | 8.69 |
| Sep 30, 1880 | 8.52 |
| Aug 31, 1880 | 8.43 |
| Jul 31, 1880 | 8.25 |
| Jun 30, 1880 | 8.08 |
| May 31, 1880 | 7.74 |
| Apr 30, 1880 | 7.35 |
| Mar 31, 1880 | 6.91 |
| Feb 29, 1880 | 6.81 |
| Jan 31, 1880 | 6.65 |
| Dec 31, 1879 | 6.68 |
| Nov 30, 1879 | 6.82 |
| Oct 31, 1879 | 7.13 |
| Sep 30, 1879 | 7.46 |
| Aug 31, 1879 | 7.66 |
| Jul 31, 1879 | 7.59 |
| Jun 30, 1879 | 7.61 |
| May 31, 1879 | 7.46 |
| Apr 30, 1879 | 7.40 |
| Mar 31, 1879 | 7.24 |
| Feb 28, 1879 | 7.10 |
| Jan 31, 1879 | 7.11 |
| Dec 31, 1878 | 7.13 |
| Nov 30, 1878 | 7.00 |
| Oct 31, 1878 | 6.95 |
| Sep 30, 1878 | 6.91 |
| Aug 31, 1878 | 6.94 |
| Jul 31, 1878 | 7.05 |
| Jun 30, 1878 | 7.16 |
| May 31, 1878 | 7.03 |
| Apr 30, 1878 | 6.84 |
| Mar 31, 1878 | 6.80 |
| Feb 28, 1878 | 6.68 |
| Jan 31, 1878 | 6.64 |
| Dec 31, 1877 | 6.47 |
| Nov 30, 1877 | 6.79 |
| Oct 31, 1877 | 6.96 |
| Sep 30, 1877 | 7.27 |
| Aug 31, 1877 | 7.50 |
| Jul 31, 1877 | 7.51 |
| Jun 30, 1877 | 7.87 |
| May 31, 1877 | 7.73 |
| Apr 30, 1877 | 8.15 |
| Mar 31, 1877 | 8.67 |
| Feb 28, 1877 | 8.56 |
| Jan 31, 1877 | 8.61 |
| Dec 31, 1876 | 9.04 |
| Nov 30, 1876 | 9.21 |
| Oct 31, 1876 | 9.29 |
| Sep 30, 1876 | 9.46 |
| Aug 31, 1876 | 9.55 |
| Jul 31, 1876 | 9.63 |
| Jun 30, 1876 | 9.63 |
| May 31, 1876 | 9.37 |
| Apr 30, 1876 | 9.04 |
| Mar 31, 1876 | 8.96 |
| Feb 29, 1876 | 8.96 |
| Jan 31, 1876 | 8.96 |
| Dec 31, 1875 | 8.89 |
| Nov 30, 1875 | 8.88 |
| Oct 31, 1875 | 8.88 |
| Sep 30, 1875 | 8.95 |
| Aug 31, 1875 | 8.95 |
| Jul 31, 1875 | 9.10 |
| Jun 30, 1875 | 9.17 |
| May 31, 1875 | 9.09 |
| Apr 30, 1875 | 8.93 |
| Mar 31, 1875 | 9.08 |
| Feb 28, 1875 | 9.15 |
| Jan 31, 1875 | 9.22 |
| Dec 31, 1874 | 9.29 |
| Nov 30, 1874 | 9.29 |
| Oct 31, 1874 | 9.21 |
| Sep 30, 1874 | 9.06 |
| Aug 31, 1874 | 9.06 |
| Jul 31, 1874 | 8.99 |
| Jun 30, 1874 | 9.06 |
| May 31, 1874 | 8.85 |
| Apr 30, 1874 | 8.78 |
| Mar 31, 1874 | 8.64 |
| Feb 28, 1874 | 8.64 |
| Jan 31, 1874 | 8.64 |
| Dec 31, 1873 | 8.78 |
| Nov 30, 1873 | 8.93 |
| Oct 31, 1873 | 8.58 |
| Sep 30, 1873 | 8.32 |
| Aug 31, 1873 | 8.26 |
| Jul 31, 1873 | 8.19 |
| Jun 30, 1873 | 8.13 |
| May 31, 1873 | 7.83 |
| Apr 30, 1873 | 7.59 |
| Mar 31, 1873 | 7.53 |
| Feb 28, 1873 | 7.47 |
| Jan 31, 1873 | 7.58 |
| Dec 31, 1872 | 7.51 |
| Nov 30, 1872 | 7.32 |
| Oct 31, 1872 | 7.45 |
| Sep 30, 1872 | 7.21 |
| Aug 31, 1872 | 7.18 |
| Jul 31, 1872 | 7.15 |
| Jun 30, 1872 | 6.96 |
| May 31, 1872 | 6.83 |
| Apr 30, 1872 | 6.75 |
| Mar 31, 1872 | 6.81 |
| Feb 29, 1872 | 6.83 |
| Jan 31, 1872 | 6.74 |
| Dec 31, 1871 | 6.66 |
| Nov 30, 1871 | 6.81 |
| Oct 31, 1871 | 6.81 |
| Sep 30, 1871 | 6.92 |
| Aug 31, 1871 | 7.09 |
| Jul 31, 1871 | 6.97 |
| Jun 30, 1871 | 6.97 |
| May 31, 1871 | 6.87 |
| Apr 30, 1871 | 6.71 |
| Mar 31, 1871 | 6.47 |
| Feb 28, 1871 | 6.56 |
| Jan 31, 1871 | 6.76 |
12-month real dividend per share — inflation adjusted December, 2025 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.