Year | Value | 2022 | 60.118 | 2021 | 60.793 | 2020 | 61.466 | 2019 | 62.139 | 2018 | 62.809 | 2017 | 63.478 | 2016 | 64.144 | 2015 | 64.807 | 2014 | 65.466 | 2013 | 66.122 | 2012 | 66.773 | 2011 | 67.42 | 2010 | 68.062 | 2009 | 68.699 | 2008 | 69.33 | 2007 | 69.957 | 2006 | 70.575 | 2005 | 71.186 | 2004 | 71.789 | 2003 | 72.064 | 2002 | 72.337 | 2001 | 72.609 | 2000 | 72.879 | 1999 | 73.147 | 1998 | 73.414 | 1997 | 73.679 | 1996 | 73.942 | 1995 | 74.204 | 1994 | 74.464 | 1993 | 74.749 | 1992 | 75.319 | 1991 | 75.881 | 1990 | 76.434 | 1989 | 76.979 | 1988 | 77.513 | 1987 | 78.041 | 1986 | 78.558 | 1985 | 79.067 | 1984 | 79.566 | 1983 | 80.057 | 1982 | 80.539 | 1981 | 81.012 | 1980 | 81.476 | 1979 | 81.932 | 1978 | 82.378 | 1977 | 82.816 | 1976 | 83.245 | 1975 | 83.666 | 1974 | 84.131 | 1973 | 84.589 | 1972 | 85.036 | 1971 | 85.474 | 1970 | 85.9 | 1969 | 86.249 | 1968 | 86.59 | 1967 | 86.926 | 1966 | 87.253 | 1965 | 87.621 | 1964 | 87.986 | 1963 | 88.343 | 1962 | 88.691 | 1961 | 89.029 | 1960 | 89.358 |
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