1956 -999.0 66.0 61.0 64.0 70.0 69.0 74.0 68.0 67.0 64.0 58.0 69.0 1957 66.0 66.0 72.0 71.0 70.0 61.0 70.0 72.0 73.0 68.0 64.0 70.0 1958 64.0 69.0 60.0 66.0 67.0 70.0 81.0 82.0 74.0 76.0 76.0 80.0 1959 68.0 68.0 74.0 70.0 78.0 80.0 75.0 70.0 71.0 70.0 69.0 72.0 1960 72.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 62.0 68.0 71.0 1961 75.0 76.0 79.0 73.0 76.0 75.0 80.0 76.0 70.0 62.0 69.0 70.0 1962 71.0 67.0 69.0 68.0 63.0 69.0 72.0 72.0 66.0 67.0 68.0 72.0 1963 75.0 68.0 64.0 73.0 79.0 78.0 77.0 72.0 78.0 64.0 73.0 64.0 1964 69.0 72.0 69.0 74.0 80.0 79.0 65.0 77.0 74.0 68.0 72.0 77.0 1965 76.0 70.0 69.0 74.0 70.0 64.0 68.0 72.0 74.0 66.0 70.0 65.0 1966 66.0 64.0 70.0 74.0 74.0 72.0 74.0 76.0 70.0 72.0 66.0 71.0 1967 71.0 59.0 66.0 69.0 72.0 69.0 72.0 69.0 72.0 67.0 64.0 72.0 1968 66.0 65.0 71.0 66.0 59.0 74.0 69.0 70.0 73.0 70.0 64.0 64.0 1969 65.0 65.0 62.0 74.0 63.0 63.0 65.0 69.0 74.0 64.0 61.0 65.0 1970 74.0 70.0 71.0 67.0 75.0 74.0 63.0 67.0 71.0 60.0 69.0 73.0 1971 73.0 72.0 71.0 71.0 73.0 80.0 74.0 80.0 72.0 72.0 71.0 71.0 1972 74.0 74.0 76.0 78.0 74.0 88.0 78.0 80.0 66.0 66.0 69.0 70.0 1973 73.0 72.0 65.0 73.0 74.0 74.0 76.0 73.0 73.0 66.0 69.0 68.0 1974 76.0 70.0 72.0 70.0 83.0 78.0 78.0 78.0 74.0 75.0 67.0 72.0 1975 77.0 67.0 73.0 78.0 79.0 74.0 75.0 71.0 67.0 71.0 71.0 68.0 1976 72.0 76.0 68.0 74.0 82.0 80.0 79.0 73.0 78.0 77.0 72.0 73.0 1977 72.0 66.0 68.0 73.0 73.0 77.0 79.0 68.0 70.0 74.0 65.0 73.0 1978 62.0 62.0 53.0 62.0 73.0 82.0 78.0 80.0 81.0 68.0 69.0 76.0 1979 61.0 65.0 69.0 76.0 79.0 82.0 77.0 73.0 67.0 74.0 66.0 72.0 1980 69.0 65.0 72.0 66.0 83.0 75.0 79.0 69.0 66.0 65.0 71.0 69.0 1981 67.0 64.0 76.0 68.0 75.0 82.0 74.0 68.0 66.0 60.0 71.0 72.0 1982 68.0 69.0 68.0 71.0 85.0 78.0 85.0 65.0 77.0 75.0 65.0 75.0 1983 75.0 73.0 72.0 79.0 78.0 79.0 71.0 74.0 71.0 65.0 65.0 63.0 1984 69.0 68.0 71.0 76.0 70.0 71.0 74.0 77.0 72.0 73.0 70.0 69.0 1985 72.0 63.0 73.0 80.0 67.0 70.0 73.0 74.0 68.0 64.0 66.0 73.0 1986 68.0 77.0 68.0 80.0 78.0 83.0 81.0 79.0 80.0 85.0 69.0 73.0 1987 71.0 65.0 65.0 67.0 61.0 67.0 71.0 70.0 63.0 68.0 60.0 65.0 1988 69.0 67.0 74.0 76.0 78.0 71.0 72.0 78.0 73.0 67.0 73.0 73.0 1989 71.0 73.0 73.0 68.0 75.0 76.0 73.0 67.0 66.0 77.0 60.0 81.0 1990 73.0 75.0 76.0 81.0 83.0 85.0 74.0 78.0 79.0 -999.0 74.0 76.0 1991 75.0 74.0 72.0 78.0 74.0 76.0 77.0 77.0 72.0 69.0 75.0 71.0 1992 76.0 76.0 73.0 81.0 79.0 78.0 74.0 77.0 74.0 72.0 77.0 72.0 1993 72.0 76.0 78.0 76.0 84.0 80.0 76.0 75.0 73.0 78.0 71.0 70.0 1994 68.0 71.0 70.0 58.0 68.0 72.0 61.0 76.0 79.0 69.0 69.0 64.0 1995 63.0 66.0 64.0 80.0 73.0 84.0 81.0 78.0 77.0 78.0 78.0 77.0 1996 77.0 71.0 79.0 81.0 78.0 84.0 87.0 74.0 78.0 76.0 72.0 71.0 1997 73.0 74.0 82.0 73.0 82.0 81.0 79.0 78.0 75.0 69.0 72.0 68.0 1998 68.0 70.0 76.0 86.0 74.0 76.0 64.0 77.0 66.0 65.0 78.0 76.0 1999 72.0 68.0 74.0 79.0 77.0 79.0 70.0 73.0 76.0 82.0 70.0 73.0 2000 75.0 70.0 68.0 78.0 75.0 73.0 78.0 88.0 84.0 73.0 85.0 77.0 2001 81.0 70.0 75.0 86.0 84.0 74.0 85.0 74.0 66.0 71.0 84.0 84.0 2002 83.0 81.0 81.0 85.0 73.0 79.0 76.0 71.0 73.0 69.0 69.0 75.0 2003 75.0 79.0 77.0 82.0 83.0 79.0 73.0 70.0 73.0 76.0 71.0 76.0 2004 81.0 71.0 76.0 78.0 78.0 76.0 82.0 88.0 75.0 66.0 72.0 81.0 2005 80.0 76.0 77.0 76.0 74.0 80.0 76.0 74.0 77.0 76.0 75.0 74.0 2006 79.0 72.0 73.0 80.0 72.0 80.0 80.0 76.0 76.0 68.0 79.0 80.0 2007 79.0 79.0 83.0 81.0 85.0 85.0 87.0 85.0 84.0 68.0 79.0 75.0 2008 77.0 78.0 78.0 79.0 67.0 79.0 76.0 76.0 64.0 72.0 84.0 78.0 2009 79.0 77.0 79.0 76.0 74.0 83.0 83.0 73.0 78.0 77.0 75.0 73.0 2010 76.0 69.0 75.0 74.0 71.0 77.0 73.0 71.0 78.0 70.0 69.0 79.0 2011 77.0 72.0 79.0 70.0 75.0 64.0 85.0 78.0 71.0 71.0 63.0 77.0 2012 78.0 75.0 76.0 73.0 71.0 77.0 72.0 72.0 70.0 75.0 69.0 71.0 2013 73.0 69.0 64.0 65.0 72.0 70.0 72.0 69.0 74.0 67.0 69.0 75.0 2014 75.0 74.0 66.0 66.0 67.0 71.0 64.0 68.0 74.0 69.0 74.0 70.0 2015 73.0 73.0 69.0 72.0 76.0 76.0 75.0 74.0 73.0 63.0 73.0 74.0 2016 71.0 72.0 64.0 72.0 73.0 69.0 72.0 75.0 69.0 69.0 72.0 77.0 2017 75.0 74.0 78.0 74.0 77.0 69.0 75.0 77.0 79.0 68.0 68.0 71.0 2018 72.0 75.0 73.0 69.0 76.0 74.0 71.0 67.0 71.0 69.0 70.0 72.0 2019 72.0 66.0 65.0 63.0 63.0 67.0 73.0 77.0 70.0 69.0 68.0 72.0 2020 74.0 71.0 76.0 73.0 73.0 -999.0 76.0 83.0 85.0 83.0 71.0 70.0 2021 75.0 70.0 76.0 69.0 70.0 72.0 74.0 76.0 80.0 78.0 72.0 81.0 2022 76.0 77.0 78.0 73.0 78.0 73.0 79.0 70.0 78.0 84.0 72.0 82.0 2023 77.0 72.0 74.0 77.0 74.0 72.0 69.0 70.0 71.0 71.0 69.0 73.0