1961 -999.0 0.0 -8.0 -15.0 -16.0 -16.0 -22.0 -18.0 -16.0 -11.0 -3.0 4.0 1962 6.0 -1.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1963 6.0 -1.0 -10.0 -18.0 -16.0 -15.0 -20.0 -14.0 -16.0 -13.0 -2.0 4.0 1964 5.0 -1.0 -9.0 -14.0 -16.0 -16.0 -16.0 -18.0 -22.0 -12.0 -2.0 4.0 1965 5.0 0.0 -7.0 -12.0 -12.0 -15.0 -23.0 -21.0 -22.0 -12.0 -3.0 4.0 1966 5.0 0.0 -7.0 -13.0 -14.0 -22.0 -18.0 -22.0 -18.0 -13.0 -4.0 4.0 1967 6.0 -2.0 -7.0 -14.0 -14.0 -14.0 -18.0 -19.0 -18.0 -12.0 -4.0 5.0 1968 6.0 0.0 -6.0 -14.0 -17.0 -20.0 -24.0 -20.0 -19.0 -10.0 0.0 6.0 1969 7.0 0.0 -8.0 -10.0 -15.0 -14.0 -22.0 -25.0 -22.0 -10.0 -2.0 7.0 1970 4.0 -2.0 -6.0 -14.0 -19.0 -20.0 -20.0 -22.0 -20.0 -9.0 0.0 7.0 1971 6.0 1.0 -8.0 -14.0 -16.0 -21.0 -20.0 -23.0 -16.0 -10.0 -2.0 6.0 1972 8.0 1.0 -8.0 -11.0 -16.0 -15.0 -24.0 -15.0 -14.0 -13.0 -1.0 5.0 1973 7.0 0.0 -8.0 -12.0 -12.0 -15.0 -19.0 -23.0 -17.0 -9.0 1.0 5.0 1974 7.0 -1.0 -7.0 -14.0 -10.0 -18.0 -18.0 -20.0 -18.0 -10.0 0.0 8.0 1975 8.0 -1.0 -6.0 -14.0 -13.0 -18.0 -22.0 -21.0 -17.0 -10.0 2.0 6.0 1976 7.0 0.0 -7.0 -14.0 -18.0 -17.0 -22.0 -21.0 -20.0 -12.0 -2.0 9.0 1977 9.0 1.0 -7.0 -13.0 -14.0 -16.0 -14.0 -16.0 -18.0 -12.0 -2.0 9.0 1978 7.0 2.0 -8.0 -14.0 -17.0 -21.0 -15.0 -23.0 -15.0 -9.0 1.0 7.0 1979 9.0 1.0 -7.0 -8.0 -14.0 -20.0 -22.0 -23.0 -16.0 -9.0 0.0 9.0 1980 7.0 0.0 -6.0 -11.0 -12.0 -19.0 -15.0 -19.0 -15.0 -10.0 3.0 10.0 1981 9.0 2.0 -6.0 -13.0 -14.0 -18.0 -13.0 -16.0 -18.0 -11.0 0.0 6.0 1982 6.0 0.0 -8.0 -13.0 -14.0 -19.0 -20.0 -21.0 -18.0 -10.0 0.0 7.0 1983 8.0 1.0 -7.0 -10.0 -14.0 -16.0 -21.0 -20.0 -14.0 -9.0 -2.0 4.0 1984 8.0 0.0 -6.0 -14.0 -13.0 -18.0 -20.0 -26.0 -15.0 -11.0 -2.0 10.0 1985 9.0 1.0 -6.0 -10.0 -17.0 -14.0 -18.0 -21.0 -17.0 -11.0 -2.0 7.0 1986 7.0 3.0 -6.0 -13.0 -15.0 -21.0 -20.0 -17.0 -16.0 -11.0 1.0 7.0 1987 11.0 2.0 -5.0 -13.0 -16.0 -16.0 -20.0 -21.0 -20.0 -11.0 0.0 9.0 1988 7.0 0.0 -5.0 -15.0 -16.0 -12.0 -19.0 -19.0 -16.0 -9.0 1.0 9.0 1989 7.0 0.0 -7.0 -13.0 -24.0 -19.0 -20.0 -20.0 -18.0 -9.0 0.0 9.0 1990 9.0 1.0 -7.0 -12.0 -14.0 -19.0 -12.0 -23.0 -20.0 -7.0 1.0 10.0 1991 8.0 1.0 -6.0 -14.0 -14.0 -15.0 -16.0 -19.0 -16.0 -10.0 -1.0 8.0 1992 8.0 1.0 -6.0 -12.0 -13.0 -15.0 -18.0 -21.0 -19.0 -11.0 0.0 7.0 1993 8.0 0.0 -7.0 -14.0 -15.0 -18.0 -22.0 -18.0 -15.0 -8.0 1.0 6.0 1994 8.0 1.0 -6.0 -12.0 -15.0 -13.0 -16.0 -19.0 -16.0 -8.0 1.0 8.0 1995 7.0 -1.0 -7.0 -11.0 -17.0 -20.0 -17.0 -20.0 -19.0 -9.0 -4.0 3.0 1996 4.0 0.0 -8.0 -12.0 -19.0 -17.0 -13.0 -16.0 -12.0 -9.0 -2.0 4.0 1997 5.0 -1.0 -7.0 -9.0 -15.0 -14.0 -20.0 -18.0 -18.0 -13.0 -4.0 6.0 1998 5.0 0.0 -6.0 -17.0 -12.0 -16.0 -18.0 -20.0 -16.0 -11.0 -1.0 5.0 1999 5.0 0.0 -7.0 -14.0 -15.0 -13.0 -20.0 -17.0 -15.0 -9.0 1.0 7.0 2000 7.0 0.0 -11.0 -13.0 -19.0 -15.0 -19.0 -20.0 -16.0 -10.0 0.0 9.0 2001 7.0 1.0 -7.0 -13.0 -13.0 -15.0 -17.0 -21.0 -19.0 -12.0 -2.0 7.0 2002 7.0 0.0 -7.0 -10.0 -11.0 -13.0 -14.0 -18.0 -16.0 -8.0 -5.0 3.0 2003 5.0 2.0 -6.0 -11.0 -14.0 -15.0 -19.0 -16.0 -17.0 -11.0 -1.0 9.0 2004 8.0 1.0 -6.0 -16.0 -18.0 -18.0 -24.0 -20.0 -18.0 -8.0 -1.0 8.0 2005 7.0 0.0 -6.0 -12.0 -15.0 -15.0 -18.0 -18.0 -17.0 -10.0 -2.0 9.0 2006 8.0 -1.0 -6.0 -12.0 -14.0 -16.0 -25.0 -14.0 -17.0 -13.0 -1.0 7.0 2007 8.0 0.0 -6.0 -12.0 -13.0 -13.0 -14.0 -17.0 -17.0 -8.0 -3.0 8.0 2008 5.0 1.0 -6.0 -11.0 -17.0 -19.0 -18.0 -22.0 -16.0 -11.0 -1.0 4.0 2009 5.0 -1.0 -7.0 -15.0 -14.0 -13.0 -17.0 -22.0 -17.0 -10.0 1.0 8.0 2010 7.0 1.0 -6.0 -13.0 -18.0 -21.0 -23.0 -22.0 -17.0 -11.0 1.0 7.0 2011 7.0 1.0 -7.0 -10.0 -16.0 -13.0 -18.0 -16.0 -16.0 -10.0 1.0 3.0 2012 6.0 -1.0 -8.0 -15.0 -15.0 -19.0 -21.0 -16.0 -15.0 -8.0 0.0 7.0 2013 9.0 0.0 -7.0 -14.0 -17.0 -15.0 -18.0 -17.0 -13.0 -11.0 -1.0 7.0 2014 7.0 0.0 -7.0 -14.0 -15.0 -17.0 -21.0 -19.0 -16.0 -13.0 -2.0 4.0 2015 3.0 -1.0 -8.0 -12.0 -14.0 -16.0 -18.0 -19.0 -20.0 -9.0 -3.0 4.0 2016 3.0 -1.0 -6.0 -11.0 -12.0 -17.0 -20.0 -14.0 -17.0 -9.0 -1.0 5.0 2017 5.0 -1.0 -8.0 -13.0 -13.0 -20.0 -16.0 -21.0 -17.0 -8.0 -3.0 5.0 2018 3.0 0.0 -7.0 -11.0 -14.0 -14.0 -18.0 -17.0 -17.0 -13.0 -1.0 7.0 2019 6.0 2.0 -7.0 -13.0 -18.0 -20.0 -21.0 -21.0 -19.0 -7.0 2.0 9.0 2020 7.0 0.0 -7.0 -10.0 -13.0 -16.0 -20.0 -20.0 -16.0 -10.0 -1.0 7.0 2021 6.0 0.0 -5.0 -14.0 -17.0 -18.0 -19.0 -19.0 -16.0 -10.0 1.0 6.0 2022 4.0 0.0 -7.0 -13.0 -15.0 -14.0 -20.0 -17.0 -19.0 -7.0 0.0 6.0 2023 6.0 0.0 -5.0 -11.0 -12.0 -15.0 -19.0 -16.0 -14.0 -9.0 2.0 7.0