Year | Value | 2022 | 89.025 | 2021 | 89.038 | 2020 | 89.062 | 2019 | 89.098 | 2018 | 89.145 | 2017 | 89.203 | 2016 | 89.272 | 2015 | 89.352 | 2014 | 89.443 | 2013 | 89.544 | 2012 | 89.654 | 2011 | 89.775 | 2010 | 89.905 | 2009 | 90.034 | 2008 | 90.161 | 2007 | 90.287 | 2006 | 90.411 | 2005 | 90.534 | 2004 | 90.655 | 2003 | 90.775 | 2002 | 90.894 | 2001 | 91.011 | 2000 | 90.752 | 1999 | 90.198 | 1998 | 89.615 | 1997 | 89.002 | 1996 | 88.358 | 1995 | 87.68 | 1994 | 86.969 | 1993 | 86.224 | 1992 | 85.444 | 1991 | 84.947 | 1990 | 84.678 | 1989 | 84.405 | 1988 | 84.129 | 1987 | 83.848 | 1986 | 83.563 | 1985 | 83.274 | 1984 | 82.982 | 1983 | 82.684 | 1982 | 82.383 | 1981 | 82.078 | 1980 | 81.769 | 1979 | 81.456 | 1978 | 81.138 | 1977 | 80.817 | 1976 | 80.491 | 1975 | 80.161 | 1974 | 79.827 | 1973 | 79.488 | 1972 | 79.146 | 1971 | 78.799 | 1970 | 78.448 | 1969 | 78.093 | 1968 | 77.734 | 1967 | 77.37 | 1966 | 77.003 | 1965 | 76.631 | 1964 | 76.255 | 1963 | 75.875 | 1962 | 75.49 | 1961 | 75.102 | 1960 | 74.71 |
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