Year | Value | 2022 | 78.549 | 2021 | 78.992 | 2020 | 79.424 | 2019 | 79.847 | 2018 | 80.26 | 2017 | 80.664 | 2016 | 81.058 | 2015 | 81.443 | 2014 | 81.818 | 2013 | 82.185 | 2012 | 82.542 | 2011 | 82.892 | 2010 | 83.232 | 2009 | 83.566 | 2008 | 83.895 | 2007 | 84.219 | 2006 | 84.538 | 2005 | 84.851 | 2004 | 85.159 | 2003 | 85.462 | 2002 | 85.76 | 2001 | 86.053 | 2000 | 86.603 | 1999 | 87.143 | 1998 | 87.664 | 1997 | 88.166 | 1996 | 88.65 | 1995 | 89.117 | 1994 | 89.567 | 1993 | 90.001 | 1992 | 90.418 | 1991 | 90.82 | 1990 | 91.146 | 1989 | 91.459 | 1988 | 91.762 | 1987 | 92.056 | 1986 | 92.34 | 1985 | 92.614 | 1984 | 92.879 | 1983 | 93.136 | 1982 | 93.384 | 1981 | 93.624 | 1980 | 93.909 | 1979 | 94.184 | 1978 | 94.447 | 1977 | 94.698 | 1976 | 94.939 | 1975 | 95.17 | 1974 | 95.39 | 1973 | 95.601 | 1972 | 95.802 | 1971 | 95.995 | 1970 | 96.044 | 1969 | 96.089 | 1968 | 96.133 | 1967 | 96.177 | 1966 | 96.22 | 1965 | 96.263 | 1964 | 96.305 | 1963 | 96.347 | 1962 | 96.388 | 1961 | 96.429 | 1960 | 96.52 |
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