Year | Value | 2022 | 82.02 | 2021 | 82.305 | 2020 | 82.573 | 2019 | 82.826 | 2018 | 83.063 | 2017 | 83.286 | 2016 | 83.494 | 2015 | 83.687 | 2014 | 83.868 | 2013 | 84.034 | 2012 | 84.188 | 2011 | 84.328 | 2010 | 84.456 | 2009 | 84.571 | 2008 | 84.674 | 2007 | 84.765 | 2006 | 84.856 | 2005 | 84.946 | 2004 | 85.036 | 2003 | 85.125 | 2002 | 85.214 | 2001 | 85.302 | 2000 | 85.39 | 1999 | 85.478 | 1998 | 85.616 | 1997 | 85.998 | 1996 | 86.371 | 1995 | 86.737 | 1994 | 87.093 | 1993 | 87.442 | 1992 | 87.782 | 1991 | 88.115 | 1990 | 88.44 | 1989 | 88.757 | 1988 | 89.066 | 1987 | 89.359 | 1986 | 89.6 | 1985 | 89.837 | 1984 | 90.069 | 1983 | 90.296 | 1982 | 90.519 | 1981 | 90.737 | 1980 | 90.95 | 1979 | 91.159 | 1978 | 91.364 | 1977 | 91.606 | 1976 | 91.985 | 1975 | 92.348 | 1974 | 92.696 | 1973 | 93.03 | 1972 | 93.349 | 1971 | 93.655 | 1970 | 93.947 | 1969 | 94.227 | 1968 | 94.495 | 1967 | 94.751 | 1966 | 94.982 | 1965 | 95.092 | 1964 | 95.2 | 1963 | 95.306 | 1962 | 95.41 | 1961 | 95.511 | 1960 | 95.61 |
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