| Date | Value |
|---|---|
| Sep 30, 2025 | 78.48 |
| Aug 31, 2025 | 78.30 |
| Jul 31, 2025 | 78.15 |
| Jun 30, 2025 | 77.89 |
| May 31, 2025 | 77.75 |
| Apr 30, 2025 | 77.50 |
| Mar 31, 2025 | 77.34 |
| Feb 28, 2025 | 77.06 |
| Jan 31, 2025 | 76.96 |
| Dec 31, 2024 | 77.01 |
| Nov 30, 2024 | 76.55 |
| Oct 31, 2024 | 76.02 |
| Sep 30, 2024 | 75.61 |
| Aug 31, 2024 | 75.24 |
| Jul 31, 2024 | 74.81 |
| Jun 30, 2024 | 74.41 |
| May 31, 2024 | 74.04 |
| Apr 30, 2024 | 73.76 |
| Mar 31, 2024 | 73.65 |
| Feb 29, 2024 | 73.95 |
| Jan 31, 2024 | 74.22 |
| Dec 31, 2023 | 74.44 |
| Nov 30, 2023 | 74.02 |
| Oct 31, 2023 | 73.52 |
| Sep 30, 2023 | 73.14 |
| Aug 31, 2023 | 73.11 |
| Jul 31, 2023 | 73.22 |
| Jun 30, 2023 | 73.15 |
| May 31, 2023 | 73.21 |
| Apr 30, 2023 | 73.21 |
| Mar 31, 2023 | 73.40 |
| Feb 28, 2023 | 73.18 |
| Jan 31, 2023 | 73.12 |
| Dec 31, 2022 | 73.24 |
| Nov 30, 2022 | 72.43 |
| Oct 31, 2022 | 71.77 |
| Sep 30, 2022 | 71.48 |
| Aug 31, 2022 | 71.16 |
| Jul 31, 2022 | 70.66 |
| Jun 30, 2022 | 70.17 |
| May 31, 2022 | 70.38 |
| Apr 30, 2022 | 70.39 |
| Mar 31, 2022 | 70.01 |
| Feb 28, 2022 | 70.34 |
| Jan 31, 2022 | 70.38 |
| Dec 31, 2021 | 70.36 |
| Nov 30, 2021 | 70.13 |
| Oct 31, 2021 | 70.03 |
| Sep 30, 2021 | 70.16 |
| Aug 31, 2021 | 69.80 |
| Jul 31, 2021 | 69.39 |
| Jun 30, 2021 | 69.17 |
| May 31, 2021 | 69.72 |
| Apr 30, 2021 | 70.19 |
| Mar 31, 2021 | 70.67 |
| Feb 28, 2021 | 71.44 |
| Jan 31, 2021 | 72.10 |
| Dec 31, 2020 | 72.67 |
| Nov 30, 2020 | 72.98 |
| Oct 31, 2020 | 73.17 |
| Sep 30, 2020 | 73.44 |
| Aug 31, 2020 | 73.89 |
| Jul 31, 2020 | 74.47 |
| Jun 30, 2020 | 75.20 |
| May 31, 2020 | 75.56 |
| Apr 30, 2020 | 75.52 |
| Mar 31, 2020 | 74.97 |
| Feb 29, 2020 | 74.25 |
| Jan 31, 2020 | 73.89 |
| Dec 31, 2019 | 73.61 |
| Nov 30, 2019 | 73.12 |
| Oct 31, 2019 | 72.65 |
| Sep 30, 2019 | 72.38 |
| Aug 31, 2019 | 71.96 |
| Jul 31, 2019 | 71.47 |
| Jun 30, 2019 | 71.11 |
| May 31, 2019 | 70.64 |
| Apr 30, 2019 | 70.31 |
| Mar 31, 2019 | 70.19 |
| Feb 28, 2019 | 70.08 |
| Jan 31, 2019 | 69.87 |
| Dec 31, 2018 | 69.49 |
| Nov 30, 2018 | 68.66 |
| Oct 31, 2018 | 67.83 |
| Sep 30, 2018 | 67.34 |
| Aug 31, 2018 | 66.84 |
| Jul 31, 2018 | 66.30 |
| Jun 30, 2018 | 65.72 |
| May 31, 2018 | 65.40 |
| Apr 30, 2018 | 65.25 |
| Mar 31, 2018 | 65.08 |
| Feb 28, 2018 | 64.76 |
| Jan 31, 2018 | 64.59 |
| Dec 31, 2017 | 64.47 |
| Nov 30, 2017 | 64.10 |
| Oct 31, 2017 | 63.77 |
| Sep 30, 2017 | 63.39 |
| Aug 31, 2017 | 63.31 |
| Jul 31, 2017 | 63.08 |
| Jun 30, 2017 | 62.61 |
| May 31, 2017 | 62.30 |
| Apr 30, 2017 | 61.98 |
| Mar 31, 2017 | 61.79 |
| Feb 28, 2017 | 61.54 |
| Jan 31, 2017 | 61.43 |
| Dec 31, 2016 | 61.48 |
| Nov 30, 2016 | 61.20 |
| Oct 31, 2016 | 60.80 |
| Sep 30, 2016 | 60.57 |
| Aug 31, 2016 | 60.47 |
| Jul 31, 2016 | 60.27 |
| Jun 30, 2016 | 59.91 |
| May 31, 2016 | 59.85 |
| Apr 30, 2016 | 59.83 |
| Mar 31, 2016 | 59.84 |
| Feb 29, 2016 | 59.88 |
| Jan 31, 2016 | 59.71 |
| Dec 31, 2015 | 59.58 |
| Nov 30, 2015 | 58.98 |
| Oct 31, 2015 | 58.45 |
| Sep 30, 2015 | 58.03 |
| Aug 31, 2015 | 57.59 |
| Jul 31, 2015 | 57.16 |
| Jun 30, 2015 | 56.81 |
| May 31, 2015 | 56.59 |
| Apr 30, 2015 | 56.45 |
| Mar 31, 2015 | 56.13 |
| Feb 28, 2015 | 55.84 |
| Jan 31, 2015 | 55.45 |
| Dec 31, 2014 | 54.56 |
| Nov 30, 2014 | 53.81 |
| Oct 31, 2014 | 53.09 |
| Sep 30, 2014 | 52.53 |
| Aug 31, 2014 | 52.06 |
| Jul 31, 2014 | 51.47 |
| Jun 30, 2014 | 50.94 |
| May 31, 2014 | 50.51 |
| Apr 30, 2014 | 50.16 |
| Mar 31, 2014 | 49.80 |
| Feb 28, 2014 | 49.55 |
| Jan 31, 2014 | 49.16 |
| Dec 31, 2013 | 48.77 |
| Nov 30, 2013 | 48.49 |
| Oct 31, 2013 | 48.12 |
| Sep 30, 2013 | 47.72 |
| Aug 31, 2013 | 47.25 |
| Jul 31, 2013 | 46.78 |
| Jun 30, 2013 | 46.27 |
| May 31, 2013 | 45.85 |
| Apr 30, 2013 | 45.39 |
| Mar 31, 2013 | 44.81 |
| Feb 28, 2013 | 44.52 |
| Jan 31, 2013 | 44.48 |
| Dec 31, 2012 | 44.20 |
| Nov 30, 2012 | 43.30 |
| Oct 31, 2012 | 42.32 |
| Sep 30, 2012 | 41.53 |
| Aug 31, 2012 | 41.12 |
| Jul 31, 2012 | 40.75 |
| Jun 30, 2012 | 40.08 |
| May 31, 2012 | 39.57 |
| Apr 30, 2012 | 39.07 |
| Mar 31, 2012 | 38.73 |
| Feb 29, 2012 | 38.58 |
| Jan 31, 2012 | 38.31 |
| Dec 31, 2011 | 38.03 |
| Nov 30, 2011 | 37.34 |
| Oct 31, 2011 | 36.72 |
| Sep 30, 2011 | 36.05 |
| Aug 31, 2011 | 35.70 |
| Jul 31, 2011 | 35.40 |
| Jun 30, 2011 | 35.03 |
| May 31, 2011 | 34.55 |
| Apr 30, 2011 | 34.28 |
| Mar 31, 2011 | 34.06 |
| Feb 28, 2011 | 34.04 |
| Jan 31, 2011 | 33.87 |
| Dec 31, 2010 | 33.68 |
| Nov 30, 2010 | 33.55 |
| Oct 31, 2010 | 33.38 |
| Sep 30, 2010 | 33.24 |
| Aug 31, 2010 | 33.10 |
| Jul 31, 2010 | 32.99 |
| Jun 30, 2010 | 32.84 |
| May 31, 2010 | 32.74 |
| Apr 30, 2010 | 32.70 |
| Mar 31, 2010 | 32.69 |
| Feb 28, 2010 | 33.07 |
| Jan 31, 2010 | 33.33 |
| Dec 31, 2009 | 33.70 |
| Nov 30, 2009 | 34.39 |
| Oct 31, 2009 | 35.16 |
| Sep 30, 2009 | 35.95 |
| Aug 31, 2009 | 36.82 |
| Jul 31, 2009 | 37.75 |
| Jun 30, 2009 | 38.54 |
| May 31, 2009 | 39.71 |
| Apr 30, 2009 | 40.67 |
| Mar 31, 2009 | 41.62 |
| Feb 28, 2009 | 42.30 |
| Jan 31, 2009 | 43.09 |
| Dec 31, 2008 | 43.86 |
| Nov 30, 2008 | 43.64 |
| Oct 31, 2008 | 43.04 |
| Sep 30, 2008 | 42.84 |
| Aug 31, 2008 | 42.71 |
| Jul 31, 2008 | 42.47 |
| Jun 30, 2008 | 42.62 |
| May 31, 2008 | 42.84 |
| Apr 30, 2008 | 43.00 |
| Mar 31, 2008 | 43.05 |
| Feb 29, 2008 | 43.13 |
| Jan 31, 2008 | 42.97 |
| Dec 31, 2007 | 42.88 |
| Nov 30, 2007 | 42.47 |
| Oct 31, 2007 | 42.33 |
| Sep 30, 2007 | 42.03 |
| Aug 31, 2007 | 41.72 |
| Jul 31, 2007 | 41.23 |
| Jun 30, 2007 | 40.80 |
| May 31, 2007 | 40.52 |
| Apr 30, 2007 | 40.42 |
| Mar 31, 2007 | 40.32 |
| Feb 28, 2007 | 40.37 |
| Jan 31, 2007 | 40.26 |
| Dec 31, 2006 | 40.05 |
| Nov 30, 2006 | 39.69 |
| Oct 31, 2006 | 39.21 |
| Sep 30, 2006 | 38.57 |
| Aug 31, 2006 | 38.03 |
| Jul 31, 2006 | 37.76 |
| Jun 30, 2006 | 37.52 |
| May 31, 2006 | 37.24 |
| Apr 30, 2006 | 37.08 |
| Mar 31, 2006 | 37.04 |
| Feb 28, 2006 | 36.93 |
| Jan 31, 2006 | 36.70 |
| Dec 31, 2005 | 36.67 |
| Nov 30, 2005 | 36.11 |
| Oct 31, 2005 | 35.41 |
| Sep 30, 2005 | 35.08 |
| Aug 31, 2005 | 35.21 |
| Jul 31, 2005 | 35.08 |
| Jun 30, 2005 | 34.94 |
| May 31, 2005 | 34.57 |
| Apr 30, 2005 | 34.15 |
| Mar 31, 2005 | 33.98 |
| Feb 28, 2005 | 33.81 |
| Jan 31, 2005 | 33.56 |
| Dec 31, 2004 | 33.18 |
| Nov 30, 2004 | 32.90 |
| Oct 31, 2004 | 32.76 |
| Sep 30, 2004 | 32.78 |
| Aug 31, 2004 | 32.52 |
| Jul 31, 2004 | 32.22 |
| Jun 30, 2004 | 31.85 |
| May 31, 2004 | 31.62 |
| Apr 30, 2004 | 31.47 |
| Mar 31, 2004 | 31.24 |
| Feb 29, 2004 | 31.07 |
| Jan 31, 2004 | 30.86 |
| Dec 31, 2003 | 30.64 |
| Nov 30, 2003 | 30.14 |
| Oct 31, 2003 | 29.59 |
| Sep 30, 2003 | 29.09 |
| Aug 31, 2003 | 28.94 |
| Jul 31, 2003 | 28.80 |
| Jun 30, 2003 | 28.58 |
| May 31, 2003 | 28.65 |
| Apr 30, 2003 | 28.64 |
| Mar 31, 2003 | 28.61 |
| Feb 28, 2003 | 28.69 |
| Jan 31, 2003 | 28.82 |
| Dec 31, 2002 | 28.86 |
| Nov 30, 2002 | 28.63 |
| Oct 31, 2002 | 28.47 |
| Sep 30, 2002 | 28.35 |
| Aug 31, 2002 | 28.54 |
| Jul 31, 2002 | 28.78 |
| Jun 30, 2002 | 28.96 |
| May 31, 2002 | 28.79 |
| Apr 30, 2002 | 28.60 |
| Mar 31, 2002 | 28.57 |
| Feb 28, 2002 | 28.74 |
| Jan 31, 2002 | 28.86 |
| Dec 31, 2001 | 28.93 |
| Nov 30, 2001 | 28.82 |
| Oct 31, 2001 | 28.76 |
| Sep 30, 2001 | 28.67 |
| Aug 31, 2001 | 28.76 |
| Jul 31, 2001 | 28.73 |
| Jun 30, 2001 | 28.62 |
| May 31, 2001 | 28.85 |
| Apr 30, 2001 | 29.15 |
| Mar 31, 2001 | 29.44 |
| Feb 28, 2001 | 29.69 |
| Jan 31, 2001 | 30.00 |
| Dec 31, 2000 | 30.37 |
| Nov 30, 2000 | 30.40 |
| Oct 31, 2000 | 30.47 |
| Sep 30, 2000 | 30.57 |
| Aug 31, 2000 | 30.95 |
| Jul 31, 2000 | 31.17 |
| Jun 30, 2000 | 31.47 |
| May 31, 2000 | 31.67 |
| Apr 30, 2000 | 31.75 |
| Mar 31, 2000 | 31.80 |
| Feb 29, 2000 | 32.02 |
| Jan 31, 2000 | 32.16 |
| Dec 31, 1999 | 32.21 |
| Nov 30, 1999 | 32.18 |
| Oct 31, 1999 | 32.17 |
| Sep 30, 1999 | 32.19 |
| Aug 31, 1999 | 32.22 |
| Jul 31, 1999 | 32.17 |
| Jun 30, 1999 | 32.14 |
| May 31, 1999 | 32.14 |
| Apr 30, 1999 | 32.15 |
| Mar 31, 1999 | 32.38 |
| Feb 28, 1999 | 32.31 |
| Jan 31, 1999 | 32.18 |
| Dec 31, 1998 | 32.09 |
| Nov 30, 1998 | 32.04 |
| Oct 31, 1998 | 32.01 |
| Sep 30, 1998 | 32.05 |
| Aug 31, 1998 | 31.96 |
| Jul 31, 1998 | 31.87 |
| Jun 30, 1998 | 31.78 |
| May 31, 1998 | 31.62 |
| Apr 30, 1998 | 31.47 |
| Mar 31, 1998 | 31.32 |
| Feb 28, 1998 | 31.28 |
| Jan 31, 1998 | 31.24 |
| Dec 31, 1997 | 31.21 |
| Nov 30, 1997 | 31.06 |
| Oct 31, 1997 | 30.93 |
| Sep 30, 1997 | 30.89 |
| Aug 31, 1997 | 30.86 |
| Jul 31, 1997 | 30.80 |
| Jun 30, 1997 | 30.72 |
| May 31, 1997 | 30.69 |
| Apr 30, 1997 | 30.60 |
| Mar 31, 1997 | 30.57 |
| Feb 28, 1997 | 30.54 |
| Jan 31, 1997 | 30.52 |
| Dec 31, 1996 | 30.51 |
| Nov 30, 1996 | 30.35 |
| Oct 31, 1996 | 30.25 |
| Sep 30, 1996 | 30.18 |
| Aug 31, 1996 | 30.01 |
| Jul 31, 1996 | 29.80 |
| Jun 30, 1996 | 29.58 |
| May 31, 1996 | 29.49 |
| Apr 30, 1996 | 29.43 |
| Mar 31, 1996 | 29.42 |
| Feb 29, 1996 | 29.35 |
| Jan 31, 1996 | 29.23 |
| Dec 31, 1995 | 29.17 |
| Nov 30, 1995 | 29.01 |
| Oct 31, 1995 | 28.84 |
| Sep 30, 1995 | 28.78 |
| Aug 31, 1995 | 28.69 |
| Jul 31, 1995 | 28.61 |
| Jun 30, 1995 | 28.46 |
| May 31, 1995 | 28.38 |
| Apr 30, 1995 | 28.30 |
| Mar 31, 1995 | 28.25 |
| Feb 28, 1995 | 28.35 |
| Jan 31, 1995 | 28.46 |
| Dec 31, 1994 | 28.57 |
| Nov 30, 1994 | 28.40 |
| Oct 31, 1994 | 28.26 |
| Sep 30, 1994 | 28.09 |
| Aug 31, 1994 | 28.11 |
| Jul 31, 1994 | 28.16 |
| Jun 30, 1994 | 28.17 |
| May 31, 1994 | 28.17 |
| Apr 30, 1994 | 28.09 |
| Mar 31, 1994 | 28.04 |
| Feb 28, 1994 | 28.04 |
| Jan 31, 1994 | 28.04 |
| Dec 31, 1993 | 28.02 |
| Nov 30, 1993 | 27.97 |
| Oct 31, 1993 | 27.95 |
| Sep 30, 1993 | 28.02 |
| Aug 31, 1993 | 28.08 |
| Jul 31, 1993 | 28.17 |
| Jun 30, 1993 | 28.17 |
| May 31, 1993 | 28.17 |
| Apr 30, 1993 | 28.18 |
| Mar 31, 1993 | 28.23 |
| Feb 28, 1993 | 28.25 |
| Jan 31, 1993 | 28.28 |
| Dec 31, 1992 | 28.35 |
| Nov 30, 1992 | 28.34 |
| Oct 31, 1992 | 28.38 |
| Sep 30, 1992 | 28.49 |
| Aug 31, 1992 | 28.52 |
| Jul 31, 1992 | 28.54 |
| Jun 30, 1992 | 28.54 |
| May 31, 1992 | 28.65 |
| Apr 30, 1992 | 28.69 |
| Mar 31, 1992 | 28.74 |
| Feb 29, 1992 | 28.79 |
| Jan 31, 1992 | 28.80 |
| Dec 31, 1991 | 28.74 |
| Nov 30, 1991 | 28.82 |
| Oct 31, 1991 | 28.96 |
| Sep 30, 1991 | 29.06 |
| Aug 31, 1991 | 29.09 |
| Jul 31, 1991 | 29.07 |
| Jun 30, 1991 | 29.01 |
| May 31, 1991 | 29.07 |
| Apr 30, 1991 | 29.12 |
| Mar 31, 1991 | 29.14 |
| Feb 28, 1991 | 29.16 |
| Jan 31, 1991 | 29.18 |
| Dec 31, 1990 | 29.34 |
| Nov 30, 1990 | 29.13 |
| Oct 31, 1990 | 29.00 |
| Sep 30, 1990 | 28.97 |
| Aug 31, 1990 | 29.07 |
| Jul 31, 1990 | 29.19 |
| Jun 30, 1990 | 29.16 |
| May 31, 1990 | 29.03 |
| Apr 30, 1990 | 28.81 |
| Mar 31, 1990 | 28.56 |
| Feb 28, 1990 | 28.50 |
| Jan 31, 1990 | 28.41 |
| Dec 31, 1989 | 28.47 |
| Nov 30, 1989 | 28.24 |
| Oct 31, 1989 | 28.03 |
| Sep 30, 1989 | 27.89 |
| Aug 31, 1989 | 27.66 |
| Jul 31, 1989 | 27.39 |
| Jun 30, 1989 | 27.14 |
| May 31, 1989 | 26.89 |
| Apr 30, 1989 | 26.73 |
| Mar 31, 1989 | 26.59 |
| Feb 28, 1989 | 26.51 |
| Jan 31, 1989 | 26.38 |
| Dec 31, 1988 | 26.28 |
| Nov 30, 1988 | 26.03 |
| Oct 31, 1988 | 25.81 |
| Sep 30, 1988 | 25.65 |
| Aug 31, 1988 | 25.61 |
| Jul 31, 1988 | 25.51 |
| Jun 30, 1988 | 25.41 |
| May 31, 1988 | 25.26 |
| Apr 30, 1988 | 25.08 |
| Mar 31, 1988 | 24.95 |
| Feb 29, 1988 | 24.93 |
| Jan 31, 1988 | 24.86 |
| Dec 31, 1987 | 24.80 |
| Nov 30, 1987 | 24.66 |
| Oct 31, 1987 | 24.54 |
| Sep 30, 1987 | 24.46 |
| Aug 31, 1987 | 24.45 |
| Jul 31, 1987 | 24.45 |
| Jun 30, 1987 | 24.38 |
| May 31, 1987 | 24.30 |
| Apr 30, 1987 | 24.21 |
| Mar 31, 1987 | 24.16 |
| Feb 28, 1987 | 24.21 |
| Jan 31, 1987 | 24.24 |
| Dec 31, 1986 | 24.34 |
| Nov 30, 1986 | 24.31 |
| Oct 31, 1986 | 24.28 |
| Sep 30, 1986 | 24.26 |
| Aug 31, 1986 | 24.24 |
| Jul 31, 1986 | 24.15 |
| Jun 30, 1986 | 24.03 |
| May 31, 1986 | 24.08 |
| Apr 30, 1986 | 24.07 |
| Mar 31, 1986 | 23.94 |
| Feb 28, 1986 | 23.71 |
| Jan 31, 1986 | 23.53 |
| Dec 31, 1985 | 23.48 |
| Nov 30, 1985 | 23.48 |
| Oct 31, 1985 | 23.49 |
| Sep 30, 1985 | 23.51 |
| Aug 31, 1985 | 23.48 |
| Jul 31, 1985 | 23.42 |
| Jun 30, 1985 | 23.36 |
| May 31, 1985 | 23.35 |
| Apr 30, 1985 | 23.35 |
| Mar 31, 1985 | 23.38 |
| Feb 28, 1985 | 23.34 |
| Jan 31, 1985 | 23.32 |
| Dec 31, 1984 | 23.23 |
| Nov 30, 1984 | 23.07 |
| Oct 31, 1984 | 22.92 |
| Sep 30, 1984 | 22.83 |
| Aug 31, 1984 | 22.87 |
| Jul 31, 1984 | 22.88 |
| Jun 30, 1984 | 22.90 |
| May 31, 1984 | 22.83 |
| Apr 30, 1984 | 22.76 |
| Mar 31, 1984 | 22.73 |
| Feb 29, 1984 | 22.68 |
| Jan 31, 1984 | 22.69 |
| Dec 31, 1983 | 22.73 |
| Nov 30, 1983 | 22.66 |
| Oct 31, 1983 | 22.61 |
| Sep 30, 1983 | 22.58 |
| Aug 31, 1983 | 22.63 |
| Jul 31, 1983 | 22.63 |
| Jun 30, 1983 | 22.65 |
| May 31, 1983 | 22.69 |
| Apr 30, 1983 | 22.80 |
| Mar 31, 1983 | 22.93 |
| Feb 28, 1983 | 22.88 |
| Jan 31, 1983 | 22.86 |
| Dec 31, 1982 | 22.86 |
| Nov 30, 1982 | 22.75 |
| Oct 31, 1982 | 22.68 |
| Sep 30, 1982 | 22.73 |
| Aug 31, 1982 | 22.73 |
| Jul 31, 1982 | 22.73 |
| Jun 30, 1982 | 22.80 |
| May 31, 1982 | 22.99 |
| Apr 30, 1982 | 23.10 |
| Mar 31, 1982 | 23.10 |
| Feb 28, 1982 | 22.97 |
| Jan 31, 1982 | 22.94 |
| Dec 31, 1981 | 22.91 |
| Nov 30, 1981 | 22.86 |
| Oct 31, 1981 | 22.80 |
| Sep 30, 1981 | 22.72 |
| Aug 31, 1981 | 22.79 |
| Jul 31, 1981 | 22.81 |
| Jun 30, 1981 | 22.91 |
| May 31, 1981 | 22.98 |
| Apr 30, 1981 | 23.03 |
| Mar 31, 1981 | 23.05 |
| Feb 28, 1981 | 23.06 |
| Jan 31, 1981 | 23.15 |
| Dec 31, 1980 | 23.18 |
| Nov 30, 1980 | 23.29 |
| Oct 31, 1980 | 23.36 |
| Sep 30, 1980 | 23.47 |
| Aug 31, 1980 | 23.50 |
| Jul 31, 1980 | 23.50 |
| Jun 30, 1980 | 23.33 |
| May 31, 1980 | 23.40 |
| Apr 30, 1980 | 23.44 |
| Mar 31, 1980 | 23.52 |
| Feb 29, 1980 | 23.67 |
| Jan 31, 1980 | 23.80 |
| Dec 31, 1979 | 23.93 |
| Nov 30, 1979 | 23.98 |
| Oct 31, 1979 | 24.00 |
| Sep 30, 1979 | 23.99 |
| Aug 31, 1979 | 24.00 |
| Jul 31, 1979 | 23.98 |
| Jun 30, 1979 | 23.99 |
| May 31, 1979 | 24.05 |
| Apr 30, 1979 | 24.14 |
| Mar 31, 1979 | 24.20 |
| Feb 28, 1979 | 24.24 |
| Jan 31, 1979 | 24.32 |
| Dec 31, 1978 | 24.32 |
| Nov 30, 1978 | 24.35 |
| Oct 31, 1978 | 24.38 |
| Sep 30, 1978 | 24.52 |
| Aug 31, 1978 | 24.52 |
| Jul 31, 1978 | 24.45 |
| Jun 30, 1978 | 24.46 |
| May 31, 1978 | 24.54 |
| Apr 30, 1978 | 24.58 |
| Mar 31, 1978 | 24.59 |
| Feb 28, 1978 | 24.56 |
| Jan 31, 1978 | 24.49 |
| Dec 31, 1977 | 24.43 |
| Nov 30, 1977 | 24.21 |
| Oct 31, 1977 | 24.03 |
| Sep 30, 1977 | 23.80 |
| Aug 31, 1977 | 23.63 |
| Jul 31, 1977 | 23.46 |
| Jun 30, 1977 | 23.33 |
| May 31, 1977 | 23.18 |
| Apr 30, 1977 | 22.99 |
| Mar 31, 1977 | 22.87 |
| Feb 28, 1977 | 22.77 |
| Jan 31, 1977 | 22.75 |
| Dec 31, 1976 | 22.60 |
| Nov 30, 1976 | 22.31 |
| Oct 31, 1976 | 21.97 |
| Sep 30, 1976 | 21.71 |
| Aug 31, 1976 | 21.62 |
| Jul 31, 1976 | 21.56 |
| Jun 30, 1976 | 21.50 |
| May 31, 1976 | 21.48 |
| Apr 30, 1976 | 21.50 |
| Mar 31, 1976 | 21.44 |
| Feb 29, 1976 | 21.46 |
| Jan 31, 1976 | 21.52 |
| Dec 31, 1975 | 21.54 |
| Nov 30, 1975 | 21.67 |
| Oct 31, 1975 | 21.89 |
| Sep 30, 1975 | 22.07 |
| Aug 31, 1975 | 22.19 |
| Jul 31, 1975 | 22.23 |
| Jun 30, 1975 | 22.48 |
| May 31, 1975 | 22.57 |
| Apr 30, 1975 | 22.62 |
| Mar 31, 1975 | 22.62 |
| Feb 28, 1975 | 22.56 |
| Jan 31, 1975 | 22.59 |
| Dec 31, 1974 | 22.53 |
| Nov 30, 1974 | 22.68 |
| Oct 31, 1974 | 22.84 |
| Sep 30, 1974 | 23.04 |
| Aug 31, 1974 | 23.13 |
| Jul 31, 1974 | 23.21 |
| Jun 30, 1974 | 23.20 |
| May 31, 1974 | 23.26 |
| Apr 30, 1974 | 23.41 |
| Mar 31, 1974 | 23.37 |
| Feb 28, 1974 | 23.53 |
| Jan 31, 1974 | 23.70 |
| Dec 31, 1973 | 23.76 |
| Nov 30, 1973 | 23.66 |
| Oct 31, 1973 | 23.55 |
| Sep 30, 1973 | 23.50 |
| Aug 31, 1973 | 23.43 |
| Jul 31, 1973 | 23.73 |
| Jun 30, 1973 | 23.66 |
| May 31, 1973 | 23.70 |
| Apr 30, 1973 | 23.74 |
| Mar 31, 1973 | 23.78 |
| Feb 28, 1973 | 23.95 |
| Jan 31, 1973 | 24.07 |
| Dec 31, 1972 | 24.07 |
| Nov 30, 1972 | 23.95 |
| Oct 31, 1972 | 23.83 |
| Sep 30, 1972 | 23.76 |
| Aug 31, 1972 | 23.79 |
| Jul 31, 1972 | 23.82 |
| Jun 30, 1972 | 23.91 |
| May 31, 1972 | 23.97 |
| Apr 30, 1972 | 24.03 |
| Mar 31, 1972 | 24.09 |
| Feb 29, 1972 | 24.14 |
| Jan 31, 1972 | 24.26 |
| Dec 31, 1971 | 24.26 |
| Nov 30, 1971 | 24.43 |
| Oct 31, 1971 | 24.49 |
| Sep 30, 1971 | 24.60 |
| Aug 31, 1971 | 24.63 |
| Jul 31, 1971 | 24.71 |
| Jun 30, 1971 | 24.80 |
| May 31, 1971 | 25.01 |
| Apr 30, 1971 | 25.16 |
| Mar 31, 1971 | 25.25 |
| Feb 28, 1971 | 25.40 |
| Jan 31, 1971 | 25.54 |
| Dec 31, 1970 | 25.62 |
| Nov 30, 1970 | 25.89 |
| Oct 31, 1970 | 26.16 |
| Sep 30, 1970 | 26.43 |
| Aug 31, 1970 | 26.54 |
| Jul 31, 1970 | 26.51 |
| Jun 30, 1970 | 26.62 |
| May 31, 1970 | 26.73 |
| Apr 30, 1970 | 26.77 |
| Mar 31, 1970 | 26.95 |
| Feb 28, 1970 | 27.07 |
| Jan 31, 1970 | 27.18 |
| Dec 31, 1969 | 27.22 |
| Nov 30, 1969 | 27.34 |
| Oct 31, 1969 | 27.46 |
| Sep 30, 1969 | 27.58 |
| Aug 31, 1969 | 27.59 |
| Jul 31, 1969 | 27.68 |
| Jun 30, 1969 | 27.78 |
| May 31, 1969 | 27.84 |
| Apr 30, 1969 | 27.83 |
| Mar 31, 1969 | 27.89 |
| Feb 28, 1969 | 28.03 |
| Jan 31, 1969 | 28.10 |
| Dec 31, 1968 | 28.09 |
| Nov 30, 1968 | 28.05 |
| Oct 31, 1968 | 28.00 |
| Sep 30, 1968 | 28.04 |
| Aug 31, 1968 | 27.99 |
| Jul 31, 1968 | 27.95 |
| Jun 30, 1968 | 27.99 |
| May 31, 1968 | 28.02 |
| Apr 30, 1968 | 27.98 |
| Mar 31, 1968 | 27.93 |
| Feb 29, 1968 | 27.92 |
| Jan 31, 1968 | 27.91 |
| Dec 31, 1967 | 27.98 |
| Nov 30, 1967 | 28.06 |
| Oct 31, 1967 | 28.14 |
| Sep 30, 1967 | 28.23 |
| Aug 31, 1967 | 28.25 |
| Jul 31, 1967 | 28.27 |
| Jun 30, 1967 | 28.29 |
| May 31, 1967 | 28.37 |
| Apr 30, 1967 | 28.46 |
| Mar 31, 1967 | 28.54 |
| Feb 28, 1967 | 28.53 |
| Jan 31, 1967 | 28.43 |
| Dec 31, 1966 | 28.33 |
| Nov 30, 1966 | 28.40 |
| Oct 31, 1966 | 28.47 |
| Sep 30, 1966 | 28.71 |
| Aug 31, 1966 | 28.51 |
| Jul 31, 1966 | 28.48 |
| Jun 30, 1966 | 28.37 |
| May 31, 1966 | 28.29 |
| Apr 30, 1966 | 28.12 |
| Mar 31, 1966 | 28.13 |
| Feb 28, 1966 | 28.01 |
| Jan 31, 1966 | 27.99 |
| Dec 31, 1965 | 27.78 |
| Nov 30, 1965 | 27.66 |
| Oct 31, 1965 | 27.46 |
| Sep 30, 1965 | 27.34 |
| Aug 31, 1965 | 27.17 |
| Jul 31, 1965 | 27.00 |
| Jun 30, 1965 | 26.83 |
| May 31, 1965 | 26.79 |
| Apr 30, 1965 | 26.58 |
| Mar 31, 1965 | 26.46 |
| Feb 28, 1965 | 26.37 |
| Jan 31, 1965 | 26.20 |
| Dec 31, 1964 | 26.03 |
| Nov 30, 1964 | 25.82 |
| Oct 31, 1964 | 25.69 |
| Sep 30, 1964 | 25.48 |
| Aug 31, 1964 | 25.36 |
| Jul 31, 1964 | 25.06 |
| Jun 30, 1964 | 24.94 |
| May 31, 1964 | 24.84 |
| Apr 30, 1964 | 24.67 |
| Mar 31, 1964 | 24.49 |
| Feb 29, 1964 | 24.32 |
| Jan 31, 1964 | 24.14 |
| Dec 31, 1963 | 23.97 |
| Nov 30, 1963 | 23.80 |
| Oct 31, 1963 | 23.55 |
| Sep 30, 1963 | 23.38 |
| Aug 31, 1963 | 23.35 |
| Jul 31, 1963 | 23.31 |
| Jun 30, 1963 | 23.35 |
| May 31, 1963 | 23.25 |
| Apr 30, 1963 | 23.07 |
| Mar 31, 1963 | 22.90 |
| Feb 28, 1963 | 22.90 |
| Jan 31, 1963 | 22.83 |
| Dec 31, 1962 | 22.76 |
| Nov 30, 1962 | 22.58 |
| Oct 31, 1962 | 22.40 |
| Sep 30, 1962 | 22.22 |
| Aug 31, 1962 | 22.23 |
| Jul 31, 1962 | 22.15 |
| Jun 30, 1962 | 22.16 |
| May 31, 1962 | 22.08 |
| Apr 30, 1962 | 22.01 |
| Mar 31, 1962 | 22.01 |
| Feb 28, 1962 | 21.94 |
| Jan 31, 1962 | 21.94 |
| Dec 31, 1961 | 21.87 |
| Nov 30, 1961 | 21.65 |
| Oct 31, 1961 | 21.44 |
| Sep 30, 1961 | 21.22 |
| Aug 31, 1961 | 21.22 |
| Jul 31, 1961 | 21.08 |
| Jun 30, 1961 | 21.14 |
| May 31, 1961 | 21.14 |
| Apr 30, 1961 | 21.14 |
| Mar 31, 1961 | 21.14 |
| Feb 28, 1961 | 21.18 |
| Jan 31, 1961 | 21.22 |
| Dec 31, 1960 | 21.25 |
| Nov 30, 1960 | 21.25 |
| Oct 31, 1960 | 21.25 |
| Sep 30, 1960 | 21.40 |
| Aug 31, 1960 | 21.40 |
| Jul 31, 1960 | 21.40 |
| Jun 30, 1960 | 21.40 |
| May 31, 1960 | 21.43 |
| Apr 30, 1960 | 21.40 |
| Mar 31, 1960 | 21.43 |
| Feb 29, 1960 | 21.03 |
| Jan 31, 1960 | 20.69 |
| Dec 31, 1959 | 20.22 |
| Nov 30, 1959 | 20.14 |
| Oct 31, 1959 | 20.07 |
| Sep 30, 1959 | 20.06 |
| Aug 31, 1959 | 20.06 |
| Jul 31, 1959 | 19.98 |
| Jun 30, 1959 | 19.98 |
| May 31, 1959 | 19.97 |
| Apr 30, 1959 | 19.90 |
| Mar 31, 1959 | 19.89 |
| Feb 28, 1959 | 19.82 |
| Jan 31, 1959 | 19.67 |
| Dec 31, 1958 | 19.67 |
| Nov 30, 1958 | 19.53 |
| Oct 31, 1958 | 19.52 |
| Sep 30, 1958 | 19.44 |
| Aug 31, 1958 | 19.44 |
| Jul 31, 1958 | 19.38 |
| Jun 30, 1958 | 19.44 |
| May 31, 1958 | 19.59 |
| Apr 30, 1958 | 19.74 |
| Mar 31, 1958 | 19.96 |
| Feb 28, 1958 | 20.18 |
| Jan 31, 1958 | 20.25 |
| Dec 31, 1957 | 20.47 |
| Nov 30, 1957 | 20.36 |
| Oct 31, 1957 | 20.31 |
| Sep 30, 1957 | 20.20 |
| Aug 31, 1957 | 20.08 |
| Jul 31, 1957 | 19.97 |
| Jun 30, 1957 | 20.00 |
| May 31, 1957 | 20.07 |
| Apr 30, 1957 | 20.14 |
| Mar 31, 1957 | 20.21 |
| Feb 28, 1957 | 20.32 |
| Jan 31, 1957 | 20.44 |
| Dec 31, 1956 | 20.48 |
| Nov 30, 1956 | 20.94 |
| Oct 31, 1956 | 21.34 |
| Sep 30, 1956 | 21.81 |
| Aug 31, 1956 | 21.73 |
| Jul 31, 1956 | 21.50 |
| Jun 30, 1956 | 21.49 |
| May 31, 1956 | 21.37 |
| Apr 30, 1956 | 21.17 |
| Mar 31, 1956 | 20.97 |
| Feb 29, 1956 | 20.60 |
| Jan 31, 1956 | 20.24 |
| Dec 31, 1955 | 19.88 |
| Nov 30, 1955 | 19.72 |
| Oct 31, 1955 | 19.64 |
| Sep 30, 1955 | 19.56 |
| Aug 31, 1955 | 19.43 |
| Jul 31, 1955 | 19.23 |
| Jun 30, 1955 | 19.10 |
| May 31, 1955 | 19.06 |
| Apr 30, 1955 | 19.02 |
| Mar 31, 1955 | 18.98 |
| Feb 28, 1955 | 18.90 |
| Jan 31, 1955 | 18.81 |
| Dec 31, 1954 | 18.73 |
| Nov 30, 1954 | 18.38 |
| Oct 31, 1954 | 18.10 |
| Sep 30, 1954 | 17.82 |
| Aug 31, 1954 | 17.67 |
| Jul 31, 1954 | 17.59 |
| Jun 30, 1954 | 17.51 |
| May 31, 1954 | 17.59 |
| Apr 30, 1954 | 17.73 |
| Mar 31, 1954 | 17.75 |
| Feb 28, 1954 | 17.67 |
| Jan 31, 1954 | 17.59 |
| Dec 31, 1953 | 17.51 |
| Nov 30, 1953 | 17.39 |
| Oct 31, 1953 | 17.20 |
| Sep 30, 1953 | 17.15 |
| Aug 31, 1953 | 17.15 |
| Jul 31, 1953 | 17.21 |
| Jun 30, 1953 | 17.21 |
| May 31, 1953 | 17.23 |
| Apr 30, 1953 | 17.26 |
| Mar 31, 1953 | 17.22 |
| Feb 28, 1953 | 17.28 |
| Jan 31, 1953 | 17.22 |
| Dec 31, 1952 | 17.15 |
| Nov 30, 1952 | 17.31 |
| Oct 31, 1952 | 17.48 |
| Sep 30, 1952 | 17.64 |
| Aug 31, 1952 | 17.64 |
| Jul 31, 1952 | 17.64 |
| Jun 30, 1952 | 17.77 |
| May 31, 1952 | 17.72 |
| Apr 30, 1952 | 17.59 |
| Mar 31, 1952 | 17.54 |
| Feb 29, 1952 | 17.50 |
| Jan 31, 1952 | 17.32 |
| Dec 31, 1951 | 17.28 |
| Nov 30, 1951 | 17.80 |
| Oct 31, 1951 | 18.39 |
| Sep 30, 1951 | 18.92 |
| Aug 31, 1951 | 19.23 |
| Jul 31, 1951 | 19.40 |
| Jun 30, 1951 | 19.56 |
| May 31, 1951 | 19.40 |
| Apr 30, 1951 | 19.30 |
| Mar 31, 1951 | 19.14 |
| Feb 28, 1951 | 19.00 |
| Jan 31, 1951 | 19.01 |
| Dec 31, 1950 | 19.10 |
| Nov 30, 1950 | 18.72 |
| Oct 31, 1950 | 18.18 |
| Sep 30, 1950 | 17.70 |
| Aug 31, 1950 | 17.20 |
| Jul 31, 1950 | 16.76 |
| Jun 30, 1950 | 16.38 |
| May 31, 1950 | 16.31 |
| Apr 30, 1950 | 16.24 |
| Mar 31, 1950 | 16.10 |
| Feb 28, 1950 | 16.03 |
| Jan 31, 1950 | 15.89 |
| Dec 31, 1949 | 15.69 |
| Nov 30, 1949 | 15.10 |
| Oct 31, 1949 | 14.71 |
| Sep 30, 1949 | 14.13 |
| Aug 31, 1949 | 14.10 |
| Jul 31, 1949 | 14.07 |
| Jun 30, 1949 | 13.86 |
| May 31, 1949 | 13.74 |
| Apr 30, 1949 | 13.50 |
| Mar 31, 1949 | 13.37 |
| Feb 28, 1949 | 13.15 |
| Jan 31, 1949 | 12.81 |
| Dec 31, 1948 | 12.53 |
| Nov 30, 1948 | 12.21 |
| Oct 31, 1948 | 11.85 |
| Sep 30, 1948 | 11.53 |
| Aug 31, 1948 | 11.45 |
| Jul 31, 1948 | 11.40 |
| Jun 30, 1948 | 11.46 |
| May 31, 1948 | 11.55 |
| Apr 30, 1948 | 11.60 |
| Mar 31, 1948 | 11.80 |
| Feb 29, 1948 | 11.70 |
| Jan 31, 1948 | 11.56 |
| Dec 31, 1947 | 11.66 |
| Nov 30, 1947 | 11.58 |
| Oct 31, 1947 | 11.39 |
| Sep 30, 1947 | 11.16 |
| Aug 31, 1947 | 11.26 |
| Jul 31, 1947 | 11.27 |
| Jun 30, 1947 | 11.22 |
| May 31, 1947 | 11.07 |
| Apr 30, 1947 | 10.88 |
| Mar 31, 1947 | 10.68 |
| Feb 28, 1947 | 10.83 |
| Jan 31, 1947 | 10.78 |
| Dec 31, 1946 | 10.73 |
| Nov 30, 1946 | 10.73 |
| Oct 31, 1946 | 10.88 |
| Sep 30, 1946 | 10.99 |
| Aug 31, 1946 | 11.04 |
| Jul 31, 1946 | 11.21 |
| Jun 30, 1946 | 11.81 |
| May 31, 1946 | 11.94 |
| Apr 30, 1946 | 12.00 |
| Mar 31, 1946 | 12.07 |
| Feb 28, 1946 | 12.08 |
| Jan 31, 1946 | 11.90 |
| Dec 31, 1945 | 11.78 |
| Nov 30, 1945 | 11.84 |
| Oct 31, 1945 | 11.84 |
| Sep 30, 1945 | 11.84 |
| Aug 31, 1945 | 11.78 |
| Jul 31, 1945 | 11.72 |
| Jun 30, 1945 | 11.66 |
| May 31, 1945 | 11.79 |
| Apr 30, 1945 | 11.86 |
| Mar 31, 1945 | 11.86 |
| Feb 28, 1945 | 11.80 |
| Jan 31, 1945 | 11.74 |
| Dec 31, 1944 | 11.68 |
| Nov 30, 1944 | 11.74 |
| Oct 31, 1944 | 11.74 |
| Sep 30, 1944 | 11.74 |
| Aug 31, 1944 | 11.68 |
| Jul 31, 1944 | 11.62 |
| Jun 30, 1944 | 11.63 |
| May 31, 1944 | 11.63 |
| Apr 30, 1944 | 11.57 |
| Mar 31, 1944 | 11.57 |
| Feb 29, 1944 | 11.51 |
| Jan 31, 1944 | 11.45 |
| Dec 31, 1943 | 11.39 |
| Nov 30, 1943 | 11.32 |
| Oct 31, 1943 | 11.26 |
| Sep 30, 1943 | 11.20 |
| Aug 31, 1943 | 11.20 |
| Jul 31, 1943 | 11.08 |
| Jun 30, 1943 | 10.95 |
| May 31, 1943 | 10.95 |
| Apr 30, 1943 | 11.01 |
| Mar 31, 1943 | 11.14 |
| Feb 28, 1943 | 11.34 |
| Jan 31, 1943 | 11.34 |
| Dec 31, 1942 | 11.34 |
| Nov 30, 1942 | 11.60 |
| Oct 31, 1942 | 11.86 |
| Sep 30, 1942 | 12.20 |
| Aug 31, 1942 | 12.47 |
| Jul 31, 1942 | 12.81 |
| Jun 30, 1942 | 13.15 |
| May 31, 1942 | 13.35 |
| Apr 30, 1942 | 13.72 |
| Mar 31, 1942 | 14.01 |
| Feb 28, 1942 | 14.32 |
| Jan 31, 1942 | 14.55 |
| Dec 31, 1941 | 14.88 |
| Nov 30, 1941 | 14.90 |
| Oct 31, 1941 | 14.93 |
| Sep 30, 1941 | 15.06 |
| Aug 31, 1941 | 15.19 |
| Jul 31, 1941 | 15.32 |
| Jun 30, 1941 | 15.25 |
| May 31, 1941 | 15.49 |
| Apr 30, 1941 | 15.52 |
| Mar 31, 1941 | 15.55 |
| Feb 28, 1941 | 15.59 |
| Jan 31, 1941 | 15.51 |
| Dec 31, 1940 | 15.43 |
| Nov 30, 1940 | 15.54 |
| Oct 31, 1940 | 15.54 |
| Sep 30, 1940 | 15.54 |
| Aug 31, 1940 | 15.39 |
| Jul 31, 1940 | 15.23 |
| Jun 30, 1940 | 14.97 |
| May 31, 1940 | 14.93 |
| Apr 30, 1940 | 14.77 |
| Mar 31, 1940 | 14.62 |
| Feb 29, 1940 | 14.54 |
| Jan 31, 1940 | 14.57 |
| Dec 31, 1939 | 14.38 |
| Nov 30, 1939 | 13.92 |
| Oct 31, 1939 | 13.46 |
| Sep 30, 1939 | 12.90 |
| Aug 31, 1939 | 12.94 |
| Jul 31, 1939 | 12.71 |
| Jun 30, 1939 | 12.47 |
| May 31, 1939 | 12.40 |
| Apr 30, 1939 | 12.32 |
| Mar 31, 1939 | 12.15 |
| Feb 28, 1939 | 12.07 |
| Jan 31, 1939 | 11.91 |
| Dec 31, 1938 | 11.83 |
| Nov 30, 1938 | 12.99 |
| Oct 31, 1938 | 14.15 |
| Sep 30, 1938 | 15.20 |
| Aug 31, 1938 | 15.82 |
| Jul 31, 1938 | 16.43 |
| Jun 30, 1938 | 17.05 |
| May 31, 1938 | 17.35 |
| Apr 30, 1938 | 17.54 |
| Mar 31, 1938 | 17.97 |
| Feb 28, 1938 | 18.12 |
| Jan 31, 1938 | 18.15 |
| Dec 31, 1937 | 18.04 |
| Nov 30, 1937 | 17.70 |
| Oct 31, 1937 | 17.35 |
| Sep 30, 1937 | 17.13 |
| Aug 31, 1937 | 17.77 |
| Jul 31, 1937 | 18.29 |
| Jun 30, 1937 | 18.95 |
| May 31, 1937 | 18.27 |
| Apr 30, 1937 | 17.72 |
| Mar 31, 1937 | 17.15 |
| Feb 28, 1937 | 17.05 |
| Jan 31, 1937 | 16.82 |
| Dec 31, 1936 | 16.70 |
| Nov 30, 1936 | 15.85 |
| Oct 31, 1936 | 15.00 |
| Sep 30, 1936 | 14.15 |
| Aug 31, 1936 | 13.69 |
| Jul 31, 1936 | 13.32 |
| Jun 30, 1936 | 12.94 |
| May 31, 1936 | 12.64 |
| Apr 30, 1936 | 12.25 |
| Mar 31, 1936 | 11.85 |
| Feb 29, 1936 | 11.53 |
| Jan 31, 1936 | 11.30 |
| Dec 31, 1935 | 11.06 |
| Nov 30, 1935 | 10.83 |
| Oct 31, 1935 | 10.67 |
| Sep 30, 1935 | 10.43 |
| Aug 31, 1935 | 10.43 |
| Jul 31, 1935 | 10.43 |
| Jun 30, 1935 | 10.43 |
| May 31, 1935 | 10.43 |
| Apr 30, 1935 | 10.51 |
| Mar 31, 1935 | 10.67 |
| Feb 28, 1935 | 10.67 |
| Jan 31, 1935 | 10.75 |
| Dec 31, 1934 | 10.91 |
| Nov 30, 1934 | 10.81 |
| Oct 31, 1934 | 10.79 |
| Sep 30, 1934 | 10.69 |
| Aug 31, 1934 | 10.83 |
| Jul 31, 1934 | 10.81 |
| Jun 30, 1934 | 10.79 |
| May 31, 1934 | 10.85 |
| Apr 30, 1934 | 10.83 |
| Mar 31, 1934 | 10.81 |
| Feb 28, 1934 | 10.79 |
| Jan 31, 1934 | 10.85 |
| Dec 31, 1933 | 10.83 |
| Nov 30, 1933 | 10.95 |
| Oct 31, 1933 | 11.07 |
| Sep 30, 1933 | 11.20 |
| Aug 31, 1933 | 11.32 |
| Jul 31, 1933 | 11.53 |
| Jun 30, 1933 | 12.02 |
| May 31, 1933 | 12.24 |
| Apr 30, 1933 | 12.37 |
| Mar 31, 1933 | 12.50 |
| Feb 28, 1933 | 12.53 |
| Jan 31, 1933 | 12.46 |
| Dec 31, 1932 | 12.40 |
| Nov 30, 1932 | 12.96 |
| Oct 31, 1932 | 13.51 |
| Sep 30, 1932 | 14.06 |
| Aug 31, 1932 | 14.60 |
| Jul 31, 1932 | 15.12 |
| Jun 30, 1932 | 15.76 |
| May 31, 1932 | 16.28 |
| Apr 30, 1932 | 16.67 |
| Mar 31, 1932 | 17.17 |
| Feb 29, 1932 | 17.66 |
| Jan 31, 1932 | 18.02 |
| Dec 31, 1931 | 18.24 |
| Nov 30, 1931 | 18.41 |
| Oct 31, 1931 | 18.46 |
| Sep 30, 1931 | 18.62 |
| Aug 31, 1931 | 18.78 |
| Jul 31, 1931 | 19.07 |
| Jun 30, 1931 | 19.36 |
| May 31, 1931 | 19.39 |
| Apr 30, 1931 | 19.42 |
| Mar 31, 1931 | 19.57 |
| Feb 28, 1931 | 19.72 |
| Jan 31, 1931 | 19.75 |
| Dec 31, 1930 | 19.77 |
| Nov 30, 1930 | 19.39 |
| Oct 31, 1930 | 19.26 |
| Sep 30, 1930 | 19.13 |
| Aug 31, 1930 | 19.23 |
| Jul 31, 1930 | 19.09 |
| Jun 30, 1930 | 18.85 |
| May 31, 1930 | 18.72 |
| Apr 30, 1930 | 18.60 |
| Mar 31, 1930 | 18.69 |
| Feb 28, 1930 | 18.57 |
| Jan 31, 1930 | 18.44 |
| Dec 31, 1929 | 18.32 |
| Nov 30, 1929 | 18.02 |
| Oct 31, 1929 | 17.84 |
| Sep 30, 1929 | 17.65 |
| Aug 31, 1929 | 17.46 |
| Jul 31, 1929 | 17.27 |
| Jun 30, 1929 | 17.28 |
| May 31, 1929 | 17.20 |
| Apr 30, 1929 | 17.10 |
| Mar 31, 1929 | 16.81 |
| Feb 28, 1929 | 16.52 |
| Jan 31, 1929 | 16.33 |
| Dec 31, 1928 | 16.15 |
| Nov 30, 1928 | 15.92 |
| Oct 31, 1928 | 15.80 |
| Sep 30, 1928 | 15.58 |
| Aug 31, 1928 | 15.64 |
| Jul 31, 1928 | 15.51 |
| Jun 30, 1928 | 15.39 |
| May 31, 1928 | 15.17 |
| Apr 30, 1928 | 15.13 |
| Mar 31, 1928 | 15.01 |
| Feb 29, 1928 | 14.88 |
| Jan 31, 1928 | 14.58 |
| Dec 31, 1927 | 14.46 |
| Nov 30, 1927 | 14.33 |
| Oct 31, 1927 | 14.13 |
| Sep 30, 1927 | 14.08 |
| Aug 31, 1927 | 14.04 |
| Jul 31, 1927 | 13.83 |
| Jun 30, 1927 | 13.47 |
| May 31, 1927 | 13.50 |
| Apr 30, 1927 | 13.46 |
| Mar 31, 1927 | 13.33 |
| Feb 28, 1927 | 13.13 |
| Jan 31, 1927 | 12.93 |
| Dec 31, 1926 | 12.66 |
| Nov 30, 1926 | 12.52 |
| Oct 31, 1926 | 12.46 |
| Sep 30, 1926 | 12.39 |
| Aug 31, 1926 | 12.32 |
| Jul 31, 1926 | 12.11 |
| Jun 30, 1926 | 11.84 |
| May 31, 1926 | 11.63 |
| Apr 30, 1926 | 11.43 |
| Mar 31, 1926 | 11.36 |
| Feb 28, 1926 | 11.16 |
| Jan 31, 1926 | 11.02 |
| Dec 31, 1925 | 10.89 |
| Nov 30, 1925 | 10.75 |
| Oct 31, 1925 | 10.86 |
| Sep 30, 1925 | 10.78 |
| Aug 31, 1925 | 10.70 |
| Jul 31, 1925 | 10.63 |
| Jun 30, 1925 | 10.67 |
| May 31, 1925 | 10.72 |
| Apr 30, 1925 | 10.70 |
| Mar 31, 1925 | 10.56 |
| Feb 28, 1925 | 10.54 |
| Jan 31, 1925 | 10.40 |
| Dec 31, 1924 | 10.33 |
| Nov 30, 1924 | 10.35 |
| Oct 31, 1924 | 10.32 |
| Sep 30, 1924 | 10.35 |
| Aug 31, 1924 | 10.38 |
| Jul 31, 1924 | 10.29 |
| Jun 30, 1924 | 10.32 |
| May 31, 1924 | 10.28 |
| Apr 30, 1924 | 10.25 |
| Mar 31, 1924 | 10.16 |
| Feb 29, 1924 | 10.07 |
| Jan 31, 1924 | 9.98 |
| Dec 31, 1923 | 9.95 |
| Nov 30, 1923 | 9.92 |
| Oct 31, 1923 | 9.89 |
| Sep 30, 1923 | 9.91 |
| Aug 31, 1923 | 9.94 |
| Jul 31, 1923 | 9.85 |
| Jun 30, 1923 | 9.94 |
| May 31, 1923 | 9.96 |
| Apr 30, 1923 | 9.93 |
| Mar 31, 1923 | 9.96 |
| Feb 28, 1923 | 9.92 |
| Jan 31, 1923 | 9.89 |
| Dec 31, 1922 | 9.80 |
| Nov 30, 1922 | 9.78 |
| Oct 31, 1922 | 9.76 |
| Sep 30, 1922 | 9.73 |
| Aug 31, 1922 | 9.65 |
| Jul 31, 1922 | 9.46 |
| Jun 30, 1922 | 9.43 |
| May 31, 1922 | 9.35 |
| Apr 30, 1922 | 9.27 |
| Mar 31, 1922 | 9.19 |
| Feb 28, 1922 | 9.00 |
| Jan 31, 1922 | 8.92 |
| Dec 31, 1921 | 8.64 |
| Nov 30, 1921 | 8.67 |
| Oct 31, 1921 | 8.69 |
| Sep 30, 1921 | 8.77 |
| Aug 31, 1921 | 8.75 |
| Jul 31, 1921 | 8.82 |
| Jun 30, 1921 | 8.95 |
| May 31, 1921 | 8.98 |
| Apr 30, 1921 | 8.85 |
| Mar 31, 1921 | 8.83 |
| Feb 28, 1921 | 8.86 |
| Jan 31, 1921 | 8.65 |
| Dec 31, 1920 | 8.54 |
| Nov 30, 1920 | 8.39 |
| Oct 31, 1920 | 8.38 |
| Sep 30, 1920 | 8.36 |
| Aug 31, 1920 | 8.27 |
| Jul 31, 1920 | 8.09 |
| Jun 30, 1920 | 8.08 |
| May 31, 1920 | 8.23 |
| Apr 30, 1920 | 8.37 |
| Mar 31, 1920 | 8.66 |
| Feb 29, 1920 | 8.77 |
| Jan 31, 1920 | 8.89 |
| Dec 31, 1919 | 9.11 |
| Nov 30, 1919 | 9.36 |
| Oct 31, 1919 | 9.63 |
| Sep 30, 1919 | 9.85 |
| Aug 31, 1919 | 9.97 |
| Jul 31, 1919 | 10.21 |
| Jun 30, 1919 | 10.57 |
| May 31, 1919 | 10.63 |
| Apr 30, 1919 | 10.83 |
| Mar 31, 1919 | 11.09 |
| Feb 28, 1919 | 11.29 |
| Jan 31, 1919 | 11.16 |
| Dec 31, 1918 | 11.22 |
| Nov 30, 1918 | 11.56 |
| Oct 31, 1918 | 11.98 |
| Sep 30, 1918 | 12.41 |
| Aug 31, 1918 | 12.87 |
| Jul 31, 1918 | 13.34 |
| Jun 30, 1918 | 13.92 |
| May 31, 1918 | 14.34 |
| Apr 30, 1918 | 14.87 |
| Mar 31, 1918 | 15.31 |
| Feb 28, 1918 | 15.43 |
| Jan 31, 1918 | 15.78 |
| Dec 31, 1917 | 16.36 |
| Nov 30, 1917 | 16.34 |
| Oct 31, 1917 | 16.08 |
| Sep 30, 1917 | 16.06 |
| Aug 31, 1917 | 16.16 |
| Jul 31, 1917 | 16.13 |
| Jun 30, 1917 | 15.62 |
| May 31, 1917 | 15.59 |
| Apr 30, 1917 | 15.55 |
| Mar 31, 1917 | 16.04 |
| Feb 28, 1917 | 15.74 |
| Jan 31, 1917 | 15.85 |
| Dec 31, 1916 | 15.68 |
| Nov 30, 1916 | 15.51 |
| Oct 31, 1916 | 15.47 |
| Sep 30, 1916 | 15.44 |
| Aug 31, 1916 | 15.40 |
| Jul 31, 1916 | 15.21 |
| Jun 30, 1916 | 14.89 |
| May 31, 1916 | 14.70 |
| Apr 30, 1916 | 14.50 |
| Mar 31, 1916 | 14.31 |
| Feb 29, 1916 | 14.11 |
| Jan 31, 1916 | 13.77 |
| Dec 31, 1915 | 13.56 |
| Nov 30, 1915 | 13.53 |
| Oct 31, 1915 | 13.64 |
| Sep 30, 1915 | 13.75 |
| Aug 31, 1915 | 13.72 |
| Jul 31, 1915 | 13.69 |
| Jun 30, 1915 | 13.67 |
| May 31, 1915 | 13.64 |
| Apr 30, 1915 | 13.75 |
| Mar 31, 1915 | 13.86 |
| Feb 28, 1915 | 13.70 |
| Jan 31, 1915 | 13.53 |
| Dec 31, 1914 | 13.51 |
| Nov 30, 1914 | 13.53 |
| Oct 31, 1914 | 13.83 |
| Sep 30, 1914 | 13.85 |
| Aug 31, 1914 | 14.01 |
| Jul 31, 1914 | 14.45 |
| Jun 30, 1914 | 14.76 |
| May 31, 1914 | 14.93 |
| Apr 30, 1914 | 15.25 |
| Mar 31, 1914 | 15.26 |
| Feb 28, 1914 | 15.42 |
| Jan 31, 1914 | 15.43 |
| Dec 31, 1913 | 15.59 |
| Nov 30, 1913 | 15.44 |
| Oct 31, 1913 | 15.59 |
| Sep 30, 1913 | 15.59 |
| Aug 31, 1913 | 15.75 |
| Jul 31, 1913 | 15.75 |
| Jun 30, 1913 | 15.91 |
| May 31, 1913 | 16.07 |
| Apr 30, 1913 | 15.91 |
| Mar 31, 1913 | 15.91 |
| Feb 28, 1913 | 15.91 |
| Jan 31, 1913 | 15.91 |
| Dec 31, 1912 | 16.07 |
| Nov 30, 1912 | 15.88 |
| Oct 31, 1912 | 15.85 |
| Sep 30, 1912 | 15.83 |
| Aug 31, 1912 | 15.96 |
| Jul 31, 1912 | 16.08 |
| Jun 30, 1912 | 16.05 |
| May 31, 1912 | 15.88 |
| Apr 30, 1912 | 15.85 |
| Mar 31, 1912 | 16.29 |
| Feb 29, 1912 | 16.60 |
| Jan 31, 1912 | 16.75 |
| Dec 31, 1911 | 16.89 |
| Nov 30, 1911 | 16.72 |
| Oct 31, 1911 | 16.54 |
| Sep 30, 1911 | 16.54 |
| Aug 31, 1911 | 16.72 |
| Jul 31, 1911 | 17.25 |
| Jun 30, 1911 | 17.45 |
| May 31, 1911 | 17.45 |
| Apr 30, 1911 | 17.45 |
| Mar 31, 1911 | 16.89 |
| Feb 28, 1911 | 17.08 |
| Jan 31, 1911 | 16.54 |
| Dec 31, 1910 | 16.54 |
| Nov 30, 1910 | 16.45 |
| Oct 31, 1910 | 16.03 |
| Sep 30, 1910 | 15.49 |
| Aug 31, 1910 | 15.25 |
| Jul 31, 1910 | 15.01 |
| Jun 30, 1910 | 14.93 |
| May 31, 1910 | 14.71 |
| Apr 30, 1910 | 14.36 |
| Mar 31, 1910 | 14.41 |
| Feb 28, 1910 | 14.60 |
| Jan 31, 1910 | 14.52 |
| Dec 31, 1909 | 14.31 |
| Nov 30, 1909 | 14.33 |
| Oct 31, 1909 | 14.36 |
| Sep 30, 1909 | 14.53 |
| Aug 31, 1909 | 14.57 |
| Jul 31, 1909 | 14.60 |
| Jun 30, 1909 | 14.48 |
| May 31, 1909 | 14.52 |
| Apr 30, 1909 | 14.54 |
| Mar 31, 1909 | 14.73 |
| Feb 28, 1909 | 14.61 |
| Jan 31, 1909 | 14.65 |
| Dec 31, 1908 | 14.37 |
| Nov 30, 1908 | 14.65 |
| Oct 31, 1908 | 14.93 |
| Sep 30, 1908 | 15.22 |
| Aug 31, 1908 | 15.34 |
| Jul 31, 1908 | 15.47 |
| Jun 30, 1908 | 15.75 |
| May 31, 1908 | 15.88 |
| Apr 30, 1908 | 16.00 |
| Mar 31, 1908 | 16.32 |
| Feb 29, 1908 | 16.44 |
| Jan 31, 1908 | 16.38 |
| Dec 31, 1907 | 16.33 |
| Nov 30, 1907 | 15.87 |
| Oct 31, 1907 | 15.10 |
| Sep 30, 1907 | 15.13 |
| Aug 31, 1907 | 15.02 |
| Jul 31, 1907 | 14.90 |
| Jun 30, 1907 | 14.78 |
| May 31, 1907 | 14.82 |
| Apr 30, 1907 | 15.02 |
| Mar 31, 1907 | 14.90 |
| Feb 28, 1907 | 14.61 |
| Jan 31, 1907 | 14.80 |
| Dec 31, 1906 | 14.53 |
| Nov 30, 1906 | 14.47 |
| Oct 31, 1906 | 14.41 |
| Sep 30, 1906 | 14.51 |
| Aug 31, 1906 | 14.45 |
| Jul 31, 1906 | 14.55 |
| Jun 30, 1906 | 13.85 |
| May 31, 1906 | 13.63 |
| Apr 30, 1906 | 13.55 |
| Mar 31, 1906 | 13.33 |
| Feb 28, 1906 | 13.10 |
| Jan 31, 1906 | 12.88 |
| Dec 31, 1905 | 12.65 |
| Nov 30, 1905 | 12.74 |
| Oct 31, 1905 | 12.82 |
| Sep 30, 1905 | 12.75 |
| Aug 31, 1905 | 12.55 |
| Jul 31, 1905 | 12.62 |
| Jun 30, 1905 | 12.55 |
| May 31, 1905 | 12.49 |
| Apr 30, 1905 | 12.29 |
| Mar 31, 1905 | 12.22 |
| Feb 28, 1905 | 12.01 |
| Jan 31, 1905 | 11.95 |
| Dec 31, 1904 | 11.89 |
| Nov 30, 1904 | 12.01 |
| Oct 31, 1904 | 12.42 |
| Sep 30, 1904 | 12.55 |
| Aug 31, 1904 | 12.84 |
| Jul 31, 1904 | 13.12 |
| Jun 30, 1904 | 13.25 |
| May 31, 1904 | 13.38 |
| Apr 30, 1904 | 13.21 |
| Mar 31, 1904 | 13.19 |
| Feb 29, 1904 | 13.16 |
| Jan 31, 1904 | 13.60 |
| Dec 31, 1903 | 14.05 |
| Nov 30, 1903 | 13.98 |
| Oct 31, 1903 | 13.77 |
| Sep 30, 1903 | 13.53 |
| Aug 31, 1903 | 13.63 |
| Jul 31, 1903 | 13.57 |
| Jun 30, 1903 | 13.50 |
| May 31, 1903 | 13.43 |
| Apr 30, 1903 | 13.07 |
| Mar 31, 1903 | 13.00 |
| Feb 28, 1903 | 12.50 |
| Jan 31, 1903 | 12.44 |
| Dec 31, 1902 | 12.52 |
| Nov 30, 1902 | 12.62 |
| Oct 31, 1902 | 12.19 |
| Sep 30, 1902 | 13.00 |
| Aug 31, 1902 | 13.12 |
| Jul 31, 1902 | 12.94 |
| Jun 30, 1902 | 12.90 |
| May 31, 1902 | 13.02 |
| Apr 30, 1902 | 13.14 |
| Mar 31, 1902 | 13.26 |
| Feb 28, 1902 | 13.23 |
| Jan 31, 1902 | 13.19 |
| Dec 31, 1901 | 13.01 |
| Nov 30, 1901 | 13.09 |
| Oct 31, 1901 | 13.19 |
| Sep 30, 1901 | 13.12 |
| Aug 31, 1901 | 13.20 |
| Jul 31, 1901 | 13.30 |
| Jun 30, 1901 | 13.39 |
| May 31, 1901 | 13.32 |
| Apr 30, 1901 | 13.25 |
| Mar 31, 1901 | 13.02 |
| Feb 28, 1901 | 12.95 |
| Jan 31, 1901 | 12.71 |
| Dec 31, 1900 | 12.80 |
| Nov 30, 1900 | 12.32 |
| Oct 31, 1900 | 12.01 |
| Sep 30, 1900 | 11.56 |
| Aug 31, 1900 | 11.37 |
| Jul 31, 1900 | 10.93 |
| Jun 30, 1900 | 10.74 |
| May 31, 1900 | 10.31 |
| Apr 30, 1900 | 9.76 |
| Mar 31, 1900 | 9.45 |
| Feb 28, 1900 | 9.15 |
| Jan 31, 1900 | 8.94 |
| Dec 31, 1899 | 8.63 |
| Nov 30, 1899 | 8.71 |
| Oct 31, 1899 | 8.78 |
| Sep 30, 1899 | 8.86 |
| Aug 31, 1899 | 9.16 |
| Jul 31, 1899 | 9.25 |
| Jun 30, 1899 | 9.33 |
| May 31, 1899 | 9.42 |
| Apr 30, 1899 | 9.38 |
| Mar 31, 1899 | 9.46 |
| Feb 28, 1899 | 9.43 |
| Jan 31, 1899 | 9.65 |
| Dec 31, 1898 | 9.61 |
| Nov 30, 1898 | 9.67 |
| Oct 31, 1898 | 9.59 |
| Sep 30, 1898 | 9.51 |
| Aug 31, 1898 | 9.43 |
| Jul 31, 1898 | 9.35 |
| Jun 30, 1898 | 9.13 |
| May 31, 1898 | 8.46 |
| Apr 30, 1898 | 8.97 |
| Mar 31, 1898 | 8.89 |
| Feb 28, 1898 | 8.81 |
| Jan 31, 1898 | 8.86 |
| Dec 31, 1897 | 8.78 |
| Nov 30, 1897 | 8.78 |
| Oct 31, 1897 | 8.78 |
| Sep 30, 1897 | 8.65 |
| Aug 31, 1897 | 8.90 |
| Jul 31, 1897 | 9.31 |
| Jun 30, 1897 | 9.31 |
| May 31, 1897 | 9.31 |
| Apr 30, 1897 | 9.18 |
| Mar 31, 1897 | 9.04 |
| Feb 28, 1897 | 9.04 |
| Jan 31, 1897 | 9.04 |
| Dec 31, 1896 | 8.78 |
| Nov 30, 1896 | 8.82 |
| Oct 31, 1896 | 9.12 |
| Sep 30, 1896 | 9.44 |
| Aug 31, 1896 | 9.48 |
| Jul 31, 1896 | 9.53 |
| Jun 30, 1896 | 9.57 |
| May 31, 1896 | 9.47 |
| Apr 30, 1896 | 9.37 |
| Mar 31, 1896 | 9.27 |
| Feb 29, 1896 | 9.31 |
| Jan 31, 1896 | 9.23 |
| Dec 31, 1895 | 9.13 |
| Nov 30, 1895 | 9.09 |
| Oct 31, 1895 | 9.17 |
| Sep 30, 1895 | 9.25 |
| Aug 31, 1895 | 9.33 |
| Jul 31, 1895 | 9.27 |
| Jun 30, 1895 | 9.23 |
| May 31, 1895 | 9.43 |
| Apr 30, 1895 | 9.64 |
| Mar 31, 1895 | 10.13 |
| Feb 28, 1895 | 10.22 |
| Jan 31, 1895 | 10.30 |
| Dec 31, 1894 | 10.38 |
| Nov 30, 1894 | 10.40 |
| Oct 31, 1894 | 10.57 |
| Sep 30, 1894 | 10.43 |
| Aug 31, 1894 | 10.73 |
| Jul 31, 1894 | 11.21 |
| Jun 30, 1894 | 11.37 |
| May 31, 1894 | 11.53 |
| Apr 30, 1894 | 11.70 |
| Mar 31, 1894 | 11.86 |
| Feb 28, 1894 | 11.69 |
| Jan 31, 1894 | 11.70 |
| Dec 31, 1893 | 11.53 |
| Nov 30, 1893 | 11.34 |
| Oct 31, 1893 | 11.00 |
| Sep 30, 1893 | 11.12 |
| Aug 31, 1893 | 11.53 |
| Jul 31, 1893 | 11.04 |
| Jun 30, 1893 | 10.72 |
| May 31, 1893 | 10.42 |
| Apr 30, 1893 | 10.25 |
| Mar 31, 1893 | 10.10 |
| Feb 28, 1893 | 9.83 |
| Jan 31, 1893 | 9.90 |
| Dec 31, 1892 | 10.24 |
| Nov 30, 1892 | 10.29 |
| Oct 31, 1892 | 10.49 |
| Sep 30, 1892 | 10.41 |
| Aug 31, 1892 | 10.34 |
| Jul 31, 1892 | 10.41 |
| Jun 30, 1892 | 10.61 |
| May 31, 1892 | 10.53 |
| Apr 30, 1892 | 10.46 |
| Mar 31, 1892 | 10.24 |
| Feb 29, 1892 | 9.89 |
| Jan 31, 1892 | 9.82 |
| Dec 31, 1891 | 9.50 |
| Nov 30, 1891 | 9.50 |
| Oct 31, 1891 | 9.39 |
| Sep 30, 1891 | 9.39 |
| Aug 31, 1891 | 9.27 |
| Jul 31, 1891 | 9.27 |
| Jun 30, 1891 | 9.16 |
| May 31, 1891 | 8.94 |
| Apr 30, 1891 | 8.83 |
| Mar 31, 1891 | 8.94 |
| Feb 28, 1891 | 9.05 |
| Jan 31, 1891 | 9.16 |
| Dec 31, 1890 | 9.05 |
| Nov 30, 1890 | 9.05 |
| Oct 31, 1890 | 8.83 |
| Sep 30, 1890 | 8.83 |
| Aug 31, 1890 | 8.94 |
| Jul 31, 1890 | 9.27 |
| Jun 30, 1890 | 9.27 |
| May 31, 1890 | 9.27 |
| Apr 30, 1890 | 9.39 |
| Mar 31, 1890 | 9.39 |
| Feb 28, 1890 | 9.39 |
| Jan 31, 1890 | 9.39 |
| Dec 31, 1889 | 9.16 |
| Nov 30, 1889 | 9.30 |
| Oct 31, 1889 | 9.34 |
| Sep 30, 1889 | 9.37 |
| Aug 31, 1889 | 9.53 |
| Jul 31, 1889 | 9.57 |
| Jun 30, 1889 | 9.60 |
| May 31, 1889 | 9.64 |
| Apr 30, 1889 | 9.44 |
| Mar 31, 1889 | 9.47 |
| Feb 28, 1889 | 9.39 |
| Jan 31, 1889 | 9.32 |
| Dec 31, 1888 | 9.02 |
| Nov 30, 1888 | 9.09 |
| Oct 31, 1888 | 9.26 |
| Sep 30, 1888 | 9.43 |
| Aug 31, 1888 | 9.50 |
| Jul 31, 1888 | 9.57 |
| Jun 30, 1888 | 9.76 |
| May 31, 1888 | 9.70 |
| Apr 30, 1888 | 9.66 |
| Mar 31, 1888 | 9.61 |
| Feb 29, 1888 | 9.68 |
| Jan 31, 1888 | 9.64 |
| Dec 31, 1887 | 9.81 |
| Nov 30, 1887 | 9.94 |
| Oct 31, 1887 | 9.96 |
| Sep 30, 1887 | 9.97 |
| Aug 31, 1887 | 9.76 |
| Jul 31, 1887 | 9.76 |
| Jun 30, 1887 | 9.55 |
| May 31, 1887 | 9.33 |
| Apr 30, 1887 | 9.23 |
| Mar 31, 1887 | 9.13 |
| Feb 28, 1887 | 9.03 |
| Jan 31, 1887 | 9.04 |
| Dec 31, 1886 | 9.16 |
| Nov 30, 1886 | 9.34 |
| Oct 31, 1886 | 9.41 |
| Sep 30, 1886 | 9.48 |
| Aug 31, 1886 | 9.55 |
| Jul 31, 1886 | 9.74 |
| Jun 30, 1886 | 9.93 |
| May 31, 1886 | 9.89 |
| Apr 30, 1886 | 9.71 |
| Mar 31, 1886 | 9.66 |
| Feb 28, 1886 | 9.62 |
| Jan 31, 1886 | 9.69 |
| Dec 31, 1885 | 9.53 |
| Nov 30, 1885 | 9.99 |
| Oct 31, 1885 | 10.35 |
| Sep 30, 1885 | 10.59 |
| Aug 31, 1885 | 10.70 |
| Jul 31, 1885 | 10.94 |
| Jun 30, 1885 | 11.31 |
| May 31, 1885 | 11.27 |
| Apr 30, 1885 | 11.25 |
| Mar 31, 1885 | 11.61 |
| Feb 28, 1885 | 11.58 |
| Jan 31, 1885 | 11.93 |
| Dec 31, 1884 | 12.16 |
| Nov 30, 1884 | 12.10 |
| Oct 31, 1884 | 11.89 |
| Sep 30, 1884 | 11.81 |
| Aug 31, 1884 | 11.76 |
| Jul 31, 1884 | 11.82 |
| Jun 30, 1884 | 11.74 |
| May 31, 1884 | 11.81 |
| Apr 30, 1884 | 11.62 |
| Mar 31, 1884 | 11.44 |
| Feb 29, 1884 | 11.50 |
| Jan 31, 1884 | 11.55 |
| Dec 31, 1883 | 11.61 |
| Nov 30, 1883 | 11.71 |
| Oct 31, 1883 | 11.55 |
| Sep 30, 1883 | 11.52 |
| Aug 31, 1883 | 11.39 |
| Jul 31, 1883 | 11.35 |
| Jun 30, 1883 | 11.10 |
| May 31, 1883 | 10.74 |
| Apr 30, 1883 | 10.61 |
| Mar 31, 1883 | 10.49 |
| Feb 28, 1883 | 10.36 |
| Jan 31, 1883 | 10.43 |
| Dec 31, 1882 | 10.40 |
| Nov 30, 1882 | 10.30 |
| Oct 31, 1882 | 10.21 |
| Sep 30, 1882 | 10.11 |
| Aug 31, 1882 | 9.84 |
| Jul 31, 1882 | 9.93 |
| Jun 30, 1882 | 9.84 |
| May 31, 1882 | 9.93 |
| Apr 30, 1882 | 10.02 |
| Mar 31, 1882 | 10.11 |
| Feb 28, 1882 | 10.11 |
| Jan 31, 1882 | 10.21 |
| Dec 31, 1881 | 10.21 |
| Nov 30, 1881 | 10.05 |
| Oct 31, 1881 | 9.79 |
| Sep 30, 1881 | 9.73 |
| Aug 31, 1881 | 9.94 |
| Jul 31, 1881 | 9.97 |
| Jun 30, 1881 | 9.90 |
| May 31, 1881 | 9.73 |
| Apr 30, 1881 | 9.46 |
| Mar 31, 1881 | 9.39 |
| Feb 28, 1881 | 9.22 |
| Jan 31, 1881 | 9.14 |
| Dec 31, 1880 | 8.88 |
| Nov 30, 1880 | 8.79 |
| Oct 31, 1880 | 8.71 |
| Sep 30, 1880 | 8.54 |
| Aug 31, 1880 | 8.45 |
| Jul 31, 1880 | 8.27 |
| Jun 30, 1880 | 8.09 |
| May 31, 1880 | 7.76 |
| Apr 30, 1880 | 7.37 |
| Mar 31, 1880 | 6.92 |
| Feb 29, 1880 | 6.83 |
| Jan 31, 1880 | 6.67 |
| Dec 31, 1879 | 6.70 |
| Nov 30, 1879 | 6.84 |
| Oct 31, 1879 | 7.15 |
| Sep 30, 1879 | 7.48 |
| Aug 31, 1879 | 7.68 |
| Jul 31, 1879 | 7.61 |
| Jun 30, 1879 | 7.63 |
| May 31, 1879 | 7.48 |
| Apr 30, 1879 | 7.41 |
| Mar 31, 1879 | 7.26 |
| Feb 28, 1879 | 7.11 |
| Jan 31, 1879 | 7.13 |
| Dec 31, 1878 | 7.15 |
| Nov 30, 1878 | 7.02 |
| Oct 31, 1878 | 6.97 |
| Sep 30, 1878 | 6.92 |
| Aug 31, 1878 | 6.96 |
| Jul 31, 1878 | 7.06 |
| Jun 30, 1878 | 7.18 |
| May 31, 1878 | 7.05 |
| Apr 30, 1878 | 6.85 |
| Mar 31, 1878 | 6.81 |
| Feb 28, 1878 | 6.70 |
| Jan 31, 1878 | 6.66 |
| Dec 31, 1877 | 6.49 |
| Nov 30, 1877 | 6.80 |
| Oct 31, 1877 | 6.97 |
| Sep 30, 1877 | 7.28 |
| Aug 31, 1877 | 7.51 |
| Jul 31, 1877 | 7.52 |
| Jun 30, 1877 | 7.89 |
| May 31, 1877 | 7.75 |
| Apr 30, 1877 | 8.17 |
| Mar 31, 1877 | 8.69 |
| Feb 28, 1877 | 8.58 |
| Jan 31, 1877 | 8.63 |
| Dec 31, 1876 | 9.06 |
| Nov 30, 1876 | 9.23 |
| Oct 31, 1876 | 9.31 |
| Sep 30, 1876 | 9.48 |
| Aug 31, 1876 | 9.57 |
| Jul 31, 1876 | 9.66 |
| Jun 30, 1876 | 9.66 |
| May 31, 1876 | 9.40 |
| Apr 30, 1876 | 9.06 |
| Mar 31, 1876 | 8.98 |
| Feb 29, 1876 | 8.98 |
| Jan 31, 1876 | 8.98 |
| Dec 31, 1875 | 8.91 |
| Nov 30, 1875 | 8.90 |
| Oct 31, 1875 | 8.90 |
| Sep 30, 1875 | 8.97 |
| Aug 31, 1875 | 8.97 |
| Jul 31, 1875 | 9.12 |
| Jun 30, 1875 | 9.19 |
| May 31, 1875 | 9.11 |
| Apr 30, 1875 | 8.95 |
| Mar 31, 1875 | 9.10 |
| Feb 28, 1875 | 9.17 |
| Jan 31, 1875 | 9.24 |
| Dec 31, 1874 | 9.31 |
| Nov 30, 1874 | 9.31 |
| Oct 31, 1874 | 9.23 |
| Sep 30, 1874 | 9.08 |
| Aug 31, 1874 | 9.08 |
| Jul 31, 1874 | 9.01 |
| Jun 30, 1874 | 9.08 |
| May 31, 1874 | 8.87 |
| Apr 30, 1874 | 8.80 |
| Mar 31, 1874 | 8.66 |
| Feb 28, 1874 | 8.66 |
| Jan 31, 1874 | 8.66 |
| Dec 31, 1873 | 8.80 |
| Nov 30, 1873 | 8.95 |
| Oct 31, 1873 | 8.60 |
| Sep 30, 1873 | 8.34 |
| Aug 31, 1873 | 8.28 |
| Jul 31, 1873 | 8.21 |
| Jun 30, 1873 | 8.15 |
| May 31, 1873 | 7.84 |
| Apr 30, 1873 | 7.61 |
| Mar 31, 1873 | 7.55 |
| Feb 28, 1873 | 7.49 |
| Jan 31, 1873 | 7.59 |
| Dec 31, 1872 | 7.53 |
| Nov 30, 1872 | 7.34 |
| Oct 31, 1872 | 7.47 |
| Sep 30, 1872 | 7.23 |
| Aug 31, 1872 | 7.20 |
| Jul 31, 1872 | 7.17 |
| Jun 30, 1872 | 6.98 |
| May 31, 1872 | 6.84 |
| Apr 30, 1872 | 6.76 |
| Mar 31, 1872 | 6.83 |
| Feb 29, 1872 | 6.85 |
| Jan 31, 1872 | 6.76 |
| Dec 31, 1871 | 6.68 |
| Nov 30, 1871 | 6.83 |
| Oct 31, 1871 | 6.83 |
| Sep 30, 1871 | 6.93 |
| Aug 31, 1871 | 7.10 |
| Jul 31, 1871 | 6.99 |
| Jun 30, 1871 | 6.99 |
| May 31, 1871 | 6.88 |
| Apr 30, 1871 | 6.72 |
| Mar 31, 1871 | 6.48 |
| Feb 28, 1871 | 6.58 |
| Jan 31, 1871 | 6.78 |
12-month real dividend per share — inflation adjusted September, 2025 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.