1961 -999.0 0.1 -6.2 -10.5 -10.5 -11.6 -16.0 -13.7 -11.6 -8.3 -3.2 -0.2 1962 0.5 -1.4 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1963 1.4 -1.9 -7.2 -13.6 -11.3 -11.2 -14.8 -9.9 -12.6 -12.6 -4.7 1.2 1964 2.0 -1.4 -7.1 -10.1 -12.0 -11.5 -11.3 -13.6 -17.7 -11.0 -2.7 0.4 1965 1.9 -0.6 -5.0 -8.1 -8.3 -10.8 -16.9 -15.1 -17.6 -10.6 -5.0 0.8 1966 0.2 -1.3 -4.1 -9.0 -9.7 -14.8 -13.3 -17.0 -13.3 -10.7 -3.3 1.0 1967 3.0 -2.4 -5.1 -9.9 -9.1 -9.5 -13.8 -14.0 -14.2 -9.3 -3.8 2.1 1968 1.6 -1.2 -4.2 -8.8 -10.7 -13.7 -18.2 -13.5 -14.0 -7.7 -2.1 1.1 1969 3.3 -0.6 -4.8 -6.0 -9.5 -9.7 -17.4 -18.4 -15.9 -8.1 -3.8 1.8 1970 2.1 -1.8 -3.5 -9.8 -13.2 -14.9 -15.4 -17.1 -13.9 -8.0 -2.1 2.5 1971 3.1 0.9 -5.7 -9.1 -11.9 -16.0 -14.6 -16.7 -13.6 -8.9 -3.8 1.4 1972 1.9 -0.2 -6.0 -7.5 -11.1 -11.0 -18.3 -11.2 -11.7 -11.9 -3.5 0.0 1973 1.9 -1.5 -6.3 -7.8 -8.1 -10.4 -15.2 -17.8 -13.6 -7.8 -2.2 1.1 1974 1.5 -1.3 -5.3 -10.1 -7.5 -12.6 -13.2 -14.2 -13.8 -9.2 -2.8 2.9 1975 2.8 -1.0 -3.5 -10.7 -8.1 -13.3 -15.7 -15.8 -13.0 -9.5 -1.8 0.2 1976 0.9 -1.5 -5.4 -9.5 -13.4 -10.6 -15.8 -17.3 -14.8 -11.3 -4.2 2.1 1977 3.1 -1.0 -5.7 -9.5 -9.3 -12.2 -11.1 -12.5 -14.3 -10.3 -4.8 1.1 1978 0.8 -0.3 -6.2 -9.4 -10.8 -14.8 -11.2 -16.4 -10.9 -8.2 -3.1 1.8 1979 2.2 -0.9 -5.5 -5.8 -10.6 -14.9 -17.4 -17.2 -12.6 -8.7 -2.2 1.7 1980 2.4 -1.5 -4.2 -7.8 -8.4 -13.0 -10.4 -14.1 -12.2 -10.1 -1.0 1.9 1981 2.4 0.1 -5.2 -10.1 -9.8 -12.9 -9.1 -11.7 -14.4 -11.9 -3.3 1.7 1982 1.3 -2.0 -6.5 -9.1 -9.6 -13.3 -13.7 -16.1 -14.5 -10.3 -2.1 2.4 1983 3.0 -0.4 -5.6 -7.5 -8.7 -11.9 -16.1 -14.5 -11.5 -9.1 -4.4 0.6 1984 3.3 -1.5 -5.1 -10.6 -9.2 -14.4 -14.1 -18.4 -12.5 -11.5 -4.9 2.3 1985 3.8 -0.3 -4.5 -7.2 -12.4 -10.1 -13.1 -14.6 -13.1 -10.1 -5.7 0.6 1986 2.4 1.4 -4.2 -9.0 -11.0 -14.2 -13.2 -12.5 -12.8 -10.8 -2.3 2.0 1987 4.1 -0.6 -4.1 -8.4 -11.3 -11.2 -13.4 -16.7 -16.9 -10.9 -2.7 2.5 1988 2.7 -0.9 -3.6 -10.5 -10.4 -8.8 -14.3 -14.6 -13.0 -9.1 -3.6 1.8 1989 1.9 -0.6 -5.2 -9.8 -17.2 -13.6 -15.4 -15.6 -14.6 -8.4 -1.7 2.6 1990 2.7 -0.7 -5.0 -7.8 -10.3 -13.3 -7.4 -17.1 -16.4 -7.1 -1.7 3.4 1991 3.0 0.9 -5.3 -9.7 -10.3 -10.4 -12.1 -13.4 -12.4 -9.4 -3.3 3.5 1992 3.2 0.2 -4.1 -8.5 -8.7 -10.2 -13.7 -16.4 -15.5 -10.7 -4.0 0.7 1993 2.5 -1.4 -5.5 -10.1 -10.8 -12.1 -15.5 -13.7 -12.3 -7.3 -3.3 1.3 1994 2.1 -1.8 -4.8 -8.5 -10.8 -9.8 -12.1 -14.6 -11.9 -8.0 -1.9 1.5 1995 1.1 -0.7 -5.1 -8.1 -12.2 -13.6 -12.0 -14.8 -15.0 -7.4 -4.3 1.4 1996 1.5 0.8 -5.8 -9.4 -13.6 -12.9 -10.3 -11.4 -8.7 -7.9 -2.6 1.5 1997 1.9 -0.3 -5.7 -6.6 -11.0 -10.3 -16.0 -14.0 -14.2 -11.5 -3.6 1.9 1998 2.1 -0.8 -4.4 -13.1 -8.9 -12.3 -13.4 -15.8 -13.5 -11.0 -3.5 0.4 1999 2.2 -1.2 -5.4 -10.6 -11.1 -9.1 -14.8 -13.1 -12.9 -10.6 -3.8 -0.8 2000 0.9 -1.7 -8.9 -9.7 -13.5 -10.4 -14.3 -15.2 -12.5 -11.0 -3.2 1.1 2001 1.8 -0.9 -5.8 -9.4 -9.6 -10.8 -13.5 -16.7 -14.8 -11.2 -3.2 1.5 2002 2.3 -1.5 -5.0 -6.4 -7.2 -9.9 -10.7 -13.3 -13.0 -7.1 -4.8 0.3 2003 2.1 0.5 -4.7 -8.0 -10.9 -11.8 -14.5 -12.4 -13.9 -10.5 -2.8 2.9 2004 2.8 -0.4 -4.6 -11.6 -12.3 -13.6 -18.6 -14.9 -13.6 -7.7 -3.3 2.9 2005 3.3 0.0 -4.2 -8.3 -11.4 -10.8 -13.9 -13.4 -14.1 -9.3 -6.4 0.9 2006 2.1 -2.0 -5.3 -8.9 -10.3 -10.9 -18.8 -10.2 -14.3 -12.3 -2.9 0.9 2007 2.7 -1.8 -5.4 -9.6 -9.0 -9.6 -10.2 -13.2 -15.2 -7.7 -0.5 2.2 2008 0.7 -1.0 -4.6 -7.2 -12.3 -14.4 -12.8 -17.2 -12.5 -11.0 -3.1 1.2 2009 1.3 -1.5 -5.4 -10.6 -8.7 -8.6 -11.8 -16.1 -13.8 -10.3 -2.9 1.0 2010 2.9 -0.2 -5.3 -9.2 -11.8 -15.4 -16.2 -16.3 -13.0 -11.2 -2.9 1.4 2011 3.2 -1.2 -6.2 -6.9 -11.8 -9.2 -12.4 -11.6 -13.2 -10.6 -1.7 -1.6 2012 1.1 -2.3 -6.9 -11.0 -10.7 -12.9 -15.9 -12.4 -12.4 -8.1 -1.7 2.3 2013 3.3 -1.2 -6.2 -10.0 -13.1 -10.5 -14.0 -13.7 -9.7 -9.2 -3.0 1.6 2014 2.2 -0.7 -5.6 -10.2 -10.4 -12.3 -15.6 -15.1 -12.4 -12.2 -4.0 2.3 2015 1.1 -1.2 -6.2 -9.1 -10.3 -12.3 -14.4 -15.6 -16.3 -6.6 -2.0 2.1 2016 1.1 -0.5 -5.1 -8.0 -9.4 -13.3 -15.0 -9.6 -14.4 -6.5 -1.1 3.2 2017 2.9 -0.6 -5.8 -9.9 -9.7 -16.3 -12.0 -17.1 -13.3 -6.7 -2.7 2.3 2018 1.6 -0.7 -5.6 -8.3 -10.4 -9.4 -15.0 -13.1 -13.5 -11.1 -2.7 2.6 2019 1.9 0.8 -5.2 -10.0 -12.6 -14.4 -15.6 -16.0 -15.7 -5.9 -2.2 3.0 2020 1.5 -1.2 -4.9 -7.2 -9.3 -11.7 -15.4 -15.6 -12.1 -9.7 -2.5 1.0 2021 1.6 -2.1 -3.3 -9.8 -10.8 -13.1 -14.0 -15.8 -12.7 -9.8 -2.4 0.8 2022 0.8 -2.2 -4.8 -9.4 -10.5 -10.1 -14.7 -12.5 -14.9 -6.7 -2.7 0.8 2023 1.9 -1.2 -3.7 -7.4 -8.8 -10.3 -13.2 -11.1 -11.2 -9.1 -2.0 1.8