1981 12 27.86 28.46 -0.60 1982 01 27.80 28.37 -0.57 1982 02 28.06 28.45 -0.38 1982 03 28.78 28.71 0.07 1982 04 29.67 29.20 0.47 1982 05 29.63 29.16 0.47 1982 06 28.44 28.69 -0.25 1982 07 27.51 28.26 -0.75 1982 08 27.35 28.10 -0.74 1982 09 27.67 27.84 -0.18 1982 10 28.38 27.92 0.46 1982 11 28.60 28.22 0.38 1982 12 28.52 28.86 -0.34 1983 01 28.05 29.02 -0.97 1983 02 28.45 29.45 -1.00 1983 03 29.04 30.01 -0.96 1983 04 29.69 30.20 -0.51 1983 05 29.61 29.74 -0.13 1983 06 29.03 29.50 -0.47 1983 07 28.15 28.76 -0.61 1983 08 27.74 28.31 -0.56 1983 09 27.66 28.08 -0.42 1983 10 27.97 28.18 -0.21 1983 11 28.17 28.37 -0.21 1983 12 28.10 28.63 -0.53 1984 01 27.51 28.50 -0.99 1984 02 27.30 28.19 -0.89 1984 03 28.45 28.73 -0.28 1984 04 29.49 29.04 0.45 1984 05 28.52 29.06 -0.54 1984 06 27.45 28.79 -1.34 1984 07 26.89 28.53 -1.64 1984 08 26.68 28.07 -1.38 1984 09 27.12 28.07 -0.95 1984 10 27.69 28.18 -0.49 1984 11 27.92 28.50 -0.58 1984 12 27.74 28.40 -0.66 1985 01 27.73 28.60 -0.86 1985 02 27.79 28.75 -0.96 1985 03 28.67 29.06 -0.39 1985 04 29.50 29.46 0.04 1985 05 29.10 29.14 -0.04 1985 06 27.45 29.03 -1.58 1985 07 27.09 28.79 -1.69 1985 08 26.89 28.13 -1.24 1985 09 27.27 27.99 -0.72 1985 10 27.49 28.10 -0.61 1985 11 27.97 28.23 -0.26 1985 12 27.88 28.50 -0.62 1986 01 27.56 28.41 -0.86 1986 02 28.26 28.72 -0.46 1986 03 28.80 28.76 0.05 1986 04 29.52 29.15 0.37 1986 05 29.39 29.16 0.22 1986 06 28.08 29.06 -0.98 1986 07 26.96 28.84 -1.88 1986 08 26.87 28.10 -1.24 1986 09 27.35 27.93 -0.58 1986 10 27.98 28.23 -0.24 1986 11 28.36 28.48 -0.12 1986 12 28.32 28.76 -0.44 1987 01 27.87 28.71 -0.83 1987 02 28.25 28.99 -0.74 1987 03 29.03 29.49 -0.46 1987 04 29.68 29.79 -0.11 1987 05 29.98 29.84 0.14 1987 06 28.43 29.59 -1.16 1987 07 27.52 29.06 -1.54 1987 08 27.58 28.42 -0.85 1987 09 28.16 28.19 -0.03 1987 10 28.34 28.31 0.03 1987 11 28.48 28.60 -0.13 1987 12 28.35 28.73 -0.38 1988 01 28.34 29.11 -0.76 1988 02 28.62 29.13 -0.52 1988 03 29.24 29.68 -0.44 1988 04 29.83 29.56 0.27 1988 05 29.15 29.71 -0.57 1988 06 28.05 29.34 -1.29 1988 07 27.45 28.68 -1.23 1988 08 27.46 28.34 -0.88 1988 09 27.75 28.18 -0.44 1988 10 28.18 28.53 -0.35 1988 11 28.24 28.77 -0.53 1988 12 28.41 28.65 -0.23 1989 01 27.74 28.85 -1.10 1989 02 27.99 28.33 -0.34 1989 03 28.65 28.97 -0.31 1989 04 29.21 29.14 0.06 1989 05 29.08 29.42 -0.34 1989 06 27.69 29.16 -1.47 1989 07 27.27 28.77 -1.50 1989 08 26.95 28.58 -1.64 1989 09 27.52 28.37 -0.85 1989 10 27.95 28.41 -0.46 1989 11 28.31 28.84 -0.54 1989 12 28.34 28.85 -0.51 1990 01 28.18 28.53 -0.36 1990 02 28.53 29.06 -0.53 1990 03 29.06 29.23 -0.17 1990 04 29.70 29.69 0.01 1990 05 29.23 29.74 -0.51 1990 06 27.85 29.33 -1.48 1990 07 27.38 28.80 -1.42 1990 08 27.30 28.59 -1.29 1990 09 27.51 28.57 -1.06 1990 10 27.86 28.62 -0.75 1990 11 28.37 28.86 -0.49 1990 12 28.37 28.97 -0.60 1991 01 28.17 28.94 -0.77 1991 02 28.38 28.95 -0.57 1991 03 29.11 29.50 -0.39 1991 04 30.36 29.51 0.85 1991 05 30.09 29.41 0.68 1991 06 28.53 29.21 -0.68 1991 07 27.35 28.46 -1.11 1991 08 27.08 27.89 -0.80 1991 09 27.62 27.54 0.08 1991 10 28.21 27.75 0.46 1991 11 28.38 28.18 0.20 1991 12 28.20 28.25 -0.05 1992 01 27.99 28.95 -0.96 1992 02 27.89 29.15 -1.26 1992 03 28.63 29.68 -1.05 1992 04 29.38 29.85 -0.47 1992 05 29.57 29.88 -0.31 1992 06 28.32 29.86 -1.54 1992 07 27.69 29.18 -1.49 1992 08 26.94 28.56 -1.62 1992 09 27.14 28.63 -1.49 1992 10 27.69 28.57 -0.87 1992 11 28.22 28.52 -0.30 1992 12 28.17 28.57 -0.40 1993 01 27.84 28.59 -0.75 1993 02 28.24 28.60 -0.35 1993 03 28.57 29.09 -0.52 1993 04 29.43 29.29 0.14 1993 05 29.59 29.39 0.20 1993 06 28.37 29.28 -0.92 1993 07 27.48 28.60 -1.12 1993 08 27.09 28.26 -1.17 1993 09 27.29 28.30 -1.02 1993 10 27.76 28.18 -0.43 1993 11 28.30 28.75 -0.45 1993 12 27.95 28.65 -0.71 1994 01 28.03 28.67 -0.63 1994 02 27.88 28.70 -0.82 1994 03 28.74 28.69 0.05 1994 04 29.85 29.21 0.64 1994 05 29.63 28.93 0.70 1994 06 28.16 28.46 -0.30 1994 07 27.51 27.63 -0.12 1994 08 27.37 26.72 0.64 1994 09 27.44 26.59 0.85 1994 10 28.64 26.66 1.98 1994 11 28.40 27.98 0.43 1994 12 28.23 28.57 -0.34 1995 01 27.88 28.92 -1.04 1995 02 28.41 28.76 -0.35 1995 03 28.94 29.02 -0.08 1995 04 29.60 29.40 0.20 1995 05 29.51 29.69 -0.18 1995 06 28.47 29.49 -1.02 1995 07 27.52 29.11 -1.59 1995 08 27.27 28.51 -1.24 1995 09 27.61 28.19 -0.58 1995 10 28.16 28.57 -0.40 1995 11 28.25 28.86 -0.61 1995 12 28.32 28.30 0.02 1996 01 28.06 28.52 -0.46 1996 02 28.25 28.56 -0.30 1996 03 28.88 29.31 -0.43 1996 04 29.41 29.59 -0.18 1996 05 29.20 29.57 -0.37 1996 06 28.10 29.30 -1.20 1996 07 27.12 28.96 -1.84 1996 08 26.77 28.68 -1.91 1996 09 27.35 28.43 -1.08 1996 10 27.42 28.88 -1.47 1996 11 28.01 28.93 -0.92 1996 12 27.88 28.67 -0.79 1997 01 27.71 28.61 -0.90 1997 02 27.80 28.24 -0.43 1997 03 28.91 28.95 -0.04 1997 04 29.72 29.47 0.24 1997 05 29.46 29.51 -0.05 1997 06 28.57 29.35 -0.78 1997 07 27.82 28.05 -0.24 1997 08 27.59 27.73 -0.14 1997 09 27.98 27.18 0.79 1997 10 28.66 26.71 1.95 1997 11 29.10 27.06 2.04 1997 12 28.90 28.26 0.64 1998 01 29.06 29.16 -0.10 1998 02 29.28 29.44 -0.17 1998 03 29.70 30.05 -0.35 1998 04 30.36 30.34 0.02 1998 05 30.27 30.39 -0.13 1998 06 28.98 29.93 -0.95 1998 07 27.73 29.73 -2.00 1998 08 27.44 29.30 -1.86 1998 09 27.65 29.06 -1.41 1998 10 28.11 29.36 -1.26 1998 11 28.28 29.31 -1.03 1998 12 28.09 29.04 -0.95 1999 01 27.93 28.94 -1.01 1999 02 28.38 28.88 -0.50 1999 03 29.05 29.01 0.04 1999 04 29.58 29.31 0.27 1999 05 28.83 29.44 -0.61 1999 06 27.92 29.17 -1.25 1999 07 27.53 28.71 -1.18 1999 08 27.27 28.21 -0.95 1999 09 27.58 28.08 -0.51 1999 10 27.63 28.31 -0.68 1999 11 28.20 28.72 -0.51 1999 12 28.15 28.70 -0.55 2000 01 28.01 28.70 -0.70 2000 02 28.10 28.32 -0.22 2000 03 28.88 28.48 0.40 2000 04 29.75 29.16 0.59 2000 05 29.42 29.36 0.06 2000 06 28.01 29.24 -1.22 2000 07 27.72 28.86 -1.13 2000 08 27.60 28.45 -0.85 2000 09 27.79 28.16 -0.37 2000 10 28.14 28.46 -0.31 2000 11 28.40 28.82 -0.42 2000 12 28.35 28.83 -0.48 2001 01 27.94 28.54 -0.60 2001 02 28.40 28.44 -0.04 2001 03 29.37 29.12 0.26 2001 04 29.78 29.41 0.36 2001 05 29.62 29.91 -0.28 2001 06 28.45 29.50 -1.05 2001 07 27.41 29.22 -1.81 2001 08 27.31 28.94 -1.63 2001 09 27.71 28.71 -1.00 2001 10 28.10 28.76 -0.66 2001 11 28.52 28.62 -0.10 2001 12 28.63 28.88 -0.25 2002 01 28.14 29.15 -1.00 2002 02 28.28 28.65 -0.37 2002 03 29.15 29.69 -0.53 2002 04 29.77 29.94 -0.17 2002 05 29.20 29.72 -0.52 2002 06 28.26 29.51 -1.25 2002 07 27.40 29.10 -1.70 2002 08 27.24 28.63 -1.39 2002 09 28.09 28.10 -0.01 2002 10 28.39 28.04 0.35 2002 11 28.52 28.57 -0.04 2002 12 28.53 29.28 -0.76 2003 01 28.25 29.22 -0.98 2003 02 28.65 29.13 -0.48 2003 03 29.40 29.35 0.05 2003 04 30.15 29.86 0.29 2003 05 29.79 29.74 0.05 2003 06 28.83 29.10 -0.26 2003 07 27.78 28.47 -0.69 2003 08 27.42 27.94 -0.52 2003 09 27.96 28.13 -0.17 2003 10 28.18 28.48 -0.30 2003 11 28.32 28.66 -0.34 2003 12 28.30 28.62 -0.33 2004 01 28.17 29.23 -1.06 2004 02 28.37 28.94 -0.57 2004 03 29.13 28.97 0.16 2004 04 29.75 29.80 -0.05 2004 05 29.21 29.68 -0.47 2004 06 27.88 29.36 -1.48 2004 07 27.16 28.83 -1.66 2004 08 27.33 28.39 -1.06 2004 09 27.85 28.29 -0.44 2004 10 28.26 28.41 -0.15 2004 11 28.53 28.74 -0.21 2004 12 28.46 28.82 -0.36 2005 01 28.09 29.06 -0.96 2005 02 28.23 29.73 -1.50 2005 03 29.04 29.94 -0.90 2005 04 30.00 29.70 0.30 2005 05 29.88 29.79 0.09 2005 06 28.43 29.57 -1.14 2005 07 27.42 29.24 -1.82 2005 08 27.48 28.71 -1.23 2005 09 27.63 28.84 -1.21 2005 10 28.16 28.78 -0.61 2005 11 28.38 28.76 -0.38 2005 12 27.98 28.72 -0.74 2006 01 27.67 28.55 -0.88 2006 02 28.01 29.08 -1.06 2006 03 28.87 29.29 -0.42 2006 04 29.73 29.33 0.40 2006 05 29.69 29.65 0.04 2006 06 28.39 29.40 -1.01 2006 07 27.38 28.74 -1.36 2006 08 27.52 28.07 -0.55 2006 09 27.70 26.96 0.74 2006 10 28.36 27.09 1.27 2006 11 28.90 27.83 1.06 2006 12 28.68 28.68 0.01 2007 01 28.38 28.97 -0.59 2007 02 28.60 29.21 -0.61 2007 03 29.12 29.01 0.10 2007 04 29.96 29.50 0.47 2007 05 29.85 29.51 0.33 2007 06 28.75 29.32 -0.57 2007 07 27.84 28.79 -0.95 2007 08 27.64 28.33 -0.69 2007 09 27.82 27.53 0.29 2007 10 28.21 27.93 0.29 2007 11 28.32 28.54 -0.22 2007 12 28.00 28.89 -0.89 2008 01 28.05 28.92 -0.87 2008 02 27.86 28.67 -0.82 2008 03 28.65 28.65 -0.00 2008 04 29.22 29.16 0.06 2008 05 29.12 28.97 0.15 2008 06 28.20 28.55 -0.35 2008 07 27.44 27.86 -0.42 2008 08 27.28 27.71 -0.44 2008 09 27.75 28.13 -0.38 2008 10 28.20 28.28 -0.08 2008 11 28.28 28.73 -0.44 2008 12 28.01 28.73 -0.72 2009 01 27.83 28.73 -0.90 2009 02 28.42 28.63 -0.21 2009 03 29.31 28.97 0.34 2009 04 29.88 29.59 0.29 2009 05 30.02 29.77 0.25 2009 06 28.89 29.68 -0.79 2009 07 27.84 29.17 -1.34 2009 08 27.73 28.67 -0.93 2009 09 27.84 28.56 -0.72 2009 10 28.50 28.71 -0.21 2009 11 28.55 28.93 -0.38 2009 12 28.85 28.95 -0.10 2010 01 28.60 28.98 -0.38 2010 02 28.91 29.49 -0.58 2010 03 29.69 29.71 -0.02 2010 04 30.42 29.88 0.54 2010 05 29.62 30.16 -0.54 2010 06 28.69 29.65 -0.96 2010 07 27.80 29.17 -1.36 2010 08 27.41 28.94 -1.53 2010 09 27.61 29.09 -1.48 2010 10 27.97 29.17 -1.20 2010 11 28.43 28.98 -0.54 2010 12 28.12 28.76 -0.64 2011 01 27.56 28.31 -0.76 2011 02 27.89 28.54 -0.65 2011 03 28.87 28.88 -0.01 2011 04 29.66 29.14 0.52 2011 05 29.46 29.45 0.01 2011 06 28.47 29.27 -0.80 2011 07 27.82 28.70 -0.88 2011 08 27.68 28.23 -0.55 2011 09 27.84 27.58 0.26 2011 10 28.59 28.31 0.28 2011 11 28.71 28.79 -0.07 2011 12 28.55 29.08 -0.53 2012 01 28.03 28.64 -0.61 2012 02 28.14 28.92 -0.78 2012 03 28.68 28.80 -0.12 2012 04 29.66 29.56 0.10 2012 05 30.02 29.96 0.06 2012 06 28.47 29.36 -0.89 2012 07 27.62 28.53 -0.92 2012 08 27.91 27.86 0.05 2012 09 28.04 27.74 0.30 2012 10 28.47 28.21 0.26 2012 11 28.69 28.64 0.04 2012 12 28.58 28.94 -0.35 2013 01 28.23 29.03 -0.80 2013 02 28.46 29.20 -0.75 2013 03 29.36 29.54 -0.18 2013 04 29.91 29.88 0.02 2013 05 29.33 30.00 -0.66 2013 06 27.96 29.42 -1.46 2013 07 27.09 29.03 -1.94 2013 08 27.36 28.76 -1.40 2013 09 27.63 28.44 -0.81 2013 10 28.32 28.67 -0.35 2013 11 28.78 29.04 -0.26 2013 12 28.18 28.93 -0.75 2014 01 28.05 28.90 -0.85 2014 02 28.18 28.79 -0.61 2014 03 28.89 29.52 -0.62 2014 04 29.84 29.86 -0.02 2014 05 29.91 29.95 -0.05 2014 06 28.49 29.71 -1.22 2014 07 27.42 29.13 -1.71 2014 08 27.29 28.93 -1.64 2014 09 27.70 28.61 -0.91 2014 10 28.52 28.53 -0.01 2014 11 28.74 28.81 -0.07 2014 12 28.21 29.03 -0.82 2015 01 27.56 28.79 -1.23 2015 02 27.98 29.21 -1.23 2015 03 29.27 29.54 -0.27 2015 04 30.15 29.80 0.35 2015 05 30.16 29.84 0.32 2015 06 28.82 29.41 -0.60 2015 07 28.08 29.03 -0.95 2015 08 28.07 28.56 -0.49 2015 09 28.46 28.05 0.40 2015 10 28.98 28.35 0.63 2015 11 29.18 28.70 0.48 2015 12 29.00 29.51 -0.51 2016 01 28.60 29.96 -1.36 2016 02 28.74 29.77 -1.03 2016 03 29.90 30.23 -0.32 2016 04 30.53 30.50 0.03 2016 05 30.00 30.36 -0.36 2016 06 28.19 29.90 -1.71 2016 07 27.03 29.49 -2.46 2016 08 27.35 29.11 -1.76 2016 09 27.30 29.20 -1.89 2016 10 28.08 29.12 -1.04 2016 11 28.38 29.10 -0.72 2016 12 28.38 29.17 -0.79 2017 01 27.85 28.82 -0.98 2017 02 28.35 28.69 -0.35 2017 03 28.92 28.96 -0.05 2017 04 29.85 29.13 0.72 2017 05 29.92 29.15 0.76 2017 06 28.61 29.04 -0.43 2017 07 27.92 28.61 -0.69 2017 08 27.84 28.13 -0.29 2017 09 27.98 28.26 -0.28 2017 10 28.30 28.43 -0.13 2017 11 28.63 28.94 -0.31 2017 12 28.07 28.78 -0.71 2018 01 27.67 28.68 -1.01 2018 02 28.51 28.61 -0.10 2018 03 29.11 29.15 -0.05 2018 04 29.81 29.38 0.43 2018 05 29.56 29.19 0.37 2018 06 28.25 29.06 -0.81 2018 07 27.42 28.16 -0.74 2018 08 27.22 27.86 -0.64 2018 09 27.77 27.44 0.33 2018 10 28.12 27.70 0.42 2018 11 28.81 28.27 0.54 2018 12 28.54 28.65 -0.11 2019 01 28.12 28.84 -0.71 2019 02 28.53 29.10 -0.57 2019 03 29.18 29.38 -0.20 2019 04 30.07 29.83 0.24 2019 05 30.22 29.23 0.99