Year | Value | 2022 | 62.269 | 2021 | 62.56 | 2020 | 62.835 | 2019 | 63.093 | 2018 | 63.334 | 2017 | 63.558 | 2016 | 63.766 | 2015 | 63.974 | 2014 | 64.181 | 2013 | 64.387 | 2012 | 64.592 | 2011 | 64.798 | 2010 | 65.003 | 2009 | 65.207 | 2008 | 65.41 | 2007 | 65.613 | 2006 | 65.816 | 2005 | 66.018 | 2004 | 66.219 | 2003 | 66.42 | 2002 | 66.62 | 2001 | 66.82 | 2000 | 67.018 | 1999 | 67.217 | 1998 | 67.415 | 1997 | 67.652 | 1996 | 67.908 | 1995 | 68.164 | 1994 | 68.418 | 1993 | 68.671 | 1992 | 68.923 | 1991 | 69.174 | 1990 | 69.424 | 1989 | 69.673 | 1988 | 69.92 | 1987 | 70.167 | 1986 | 70.412 | 1985 | 70.656 | 1984 | 70.899 | 1983 | 71.141 | 1982 | 71.381 | 1981 | 71.62 | 1980 | 71.934 | 1979 | 72.285 | 1978 | 72.632 | 1977 | 72.977 | 1976 | 73.319 | 1975 | 73.659 | 1974 | 73.995 | 1973 | 74.329 | 1972 | 74.647 | 1971 | 74.916 | 1970 | 75.183 | 1969 | 75.448 | 1968 | 75.711 | 1967 | 75.972 | 1966 | 76.231 | 1965 | 76.489 | 1964 | 76.744 | 1963 | 76.998 | 1962 | 77.249 | 1961 | 77.499 | 1960 | 77.896 |
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