Year | Value | 2022 | 85.583 | 2021 | 85.942 | 2020 | 86.292 | 2019 | 86.634 | 2018 | 86.968 | 2017 | 87.294 | 2016 | 87.612 | 2015 | 87.922 | 2014 | 88.224 | 2013 | 88.518 | 2012 | 88.806 | 2011 | 89.085 | 2010 | 89.358 | 2009 | 89.624 | 2008 | 89.882 | 2007 | 90.136 | 2006 | 90.383 | 2005 | 90.625 | 2004 | 90.861 | 2003 | 91.092 | 2002 | 91.318 | 2001 | 91.539 | 2000 | 91.754 | 1999 | 91.964 | 1998 | 92.17 | 1997 | 92.382 | 1996 | 92.588 | 1995 | 92.789 | 1994 | 92.986 | 1993 | 93.177 | 1992 | 93.363 | 1991 | 93.545 | 1990 | 93.729 | 1989 | 93.953 | 1988 | 94.17 | 1987 | 94.38 | 1986 | 94.583 | 1985 | 94.779 | 1984 | 94.967 | 1983 | 95.15 | 1982 | 95.326 | 1981 | 95.497 | 1980 | 95.661 | 1979 | 95.822 | 1978 | 95.995 | 1977 | 96.162 | 1976 | 96.322 | 1975 | 96.475 | 1974 | 96.623 | 1973 | 96.764 | 1972 | 96.899 | 1971 | 97.03 | 1970 | 97.155 | 1969 | 97.274 | 1968 | 97.389 | 1967 | 97.499 | 1966 | 97.605 | 1965 | 97.706 | 1964 | 97.767 | 1963 | 97.807 | 1962 | 97.846 | 1961 | 97.885 | 1960 | 97.923 |
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