Year | Value | 2022 | 77.339 | 2021 | 77.826 | 2020 | 78.305 | 2019 | 78.775 | 2018 | 79.237 | 2017 | 79.69 | 2016 | 80.134 | 2015 | 80.572 | 2014 | 81.002 | 2013 | 81.425 | 2012 | 81.84 | 2011 | 82.265 | 2010 | 82.681 | 2009 | 83.09 | 2008 | 83.49 | 2007 | 83.884 | 2006 | 84.101 | 2005 | 84.3 | 2004 | 84.496 | 2003 | 84.69 | 2002 | 84.882 | 2001 | 85.073 | 2000 | 85.26 | 1999 | 85.447 | 1998 | 85.631 | 1997 | 85.814 | 1996 | 85.994 | 1995 | 86.173 | 1994 | 86.373 | 1993 | 86.63 | 1992 | 86.884 | 1991 | 87.133 | 1990 | 87.379 | 1989 | 87.62 | 1988 | 87.857 | 1987 | 88.091 | 1986 | 88.321 | 1985 | 88.547 | 1984 | 88.768 | 1983 | 88.98 | 1982 | 89.187 | 1981 | 89.39 | 1980 | 89.59 | 1979 | 89.786 | 1978 | 89.98 | 1977 | 90.17 | 1976 | 90.356 | 1975 | 90.54 | 1974 | 90.721 | 1973 | 90.898 | 1972 | 91.072 | 1971 | 91.244 | 1970 | 91.412 | 1969 | 91.578 | 1968 | 91.74 | 1967 | 91.9 | 1966 | 92.16 | 1965 | 92.413 | 1964 | 92.658 | 1963 | 92.896 | 1962 | 93.126 | 1961 | 93.35 | 1960 | 93.567 |
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