Year | Value | 2022 | 82.279 | 2021 | 82.432 | 2020 | 82.568 | 2019 | 82.687 | 2018 | 82.789 | 2017 | 82.875 | 2016 | 82.944 | 2015 | 82.996 | 2014 | 83.033 | 2013 | 83.053 | 2012 | 83.057 | 2011 | 83.062 | 2010 | 83.066 | 2009 | 83.07 | 2008 | 83.075 | 2007 | 83.079 | 2006 | 83.083 | 2005 | 83.088 | 2004 | 83.092 | 2003 | 83.096 | 2002 | 83.223 | 2001 | 84.171 | 2000 | 85.074 | 1999 | 85.936 | 1998 | 86.756 | 1997 | 87.534 | 1996 | 88.626 | 1995 | 90.163 | 1994 | 91.51 | 1993 | 92.687 | 1992 | 93.712 | 1991 | 94.509 | 1990 | 94.584 | 1989 | 94.658 | 1988 | 94.73 | 1987 | 94.802 | 1986 | 94.873 | 1985 | 94.943 | 1984 | 95.012 | 1983 | 95.08 | 1982 | 95.147 | 1981 | 95.214 | 1980 | 95.279 | 1979 | 95.344 | 1978 | 95.425 | 1977 | 95.626 | 1976 | 95.818 | 1975 | 96.002 | 1974 | 96.179 | 1973 | 96.348 | 1972 | 96.509 | 1971 | 96.664 | 1970 | 96.806 | 1969 | 96.871 | 1968 | 96.934 | 1967 | 96.997 | 1966 | 97.058 | 1965 | 97.118 | 1964 | 97.176 | 1963 | 97.234 | 1962 | 97.29 | 1961 | 97.346 | 1960 | 97.4 |
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