Year | Value | 2022 | 56.314 | 2021 | 56.992 | 2020 | 57.684 | 2019 | 58.388 | 2018 | 59.105 | 2017 | 59.833 | 2016 | 60.572 | 2015 | 61.322 | 2014 | 62.082 | 2013 | 62.851 | 2012 | 63.629 | 2011 | 64.415 | 2010 | 65.207 | 2009 | 65.99 | 2008 | 66.764 | 2007 | 67.531 | 2006 | 68.288 | 2005 | 69.035 | 2004 | 70.165 | 2003 | 71.312 | 2002 | 72.43 | 2001 | 73.52 | 2000 | 74.582 | 1999 | 75.617 | 1998 | 76.623 | 1997 | 77.599 | 1996 | 78.544 | 1995 | 79.463 | 1994 | 80.351 | 1993 | 81.209 | 1992 | 82.038 | 1991 | 82.839 | 1990 | 83.612 | 1989 | 84.355 | 1988 | 85.071 | 1987 | 85.76 | 1986 | 86.423 | 1985 | 87.059 | 1984 | 87.668 | 1983 | 88.255 | 1982 | 88.816 | 1981 | 89.354 | 1980 | 89.868 | 1979 | 90.361 | 1978 | 90.832 | 1977 | 91.283 | 1976 | 91.712 | 1975 | 92.124 | 1974 | 92.516 | 1973 | 92.89 | 1972 | 93.246 | 1971 | 93.587 | 1970 | 93.911 | 1969 | 94.219 | 1968 | 94.513 | 1967 | 94.793 | 1966 | 95.06 | 1965 | 95.313 | 1964 | 95.554 | 1963 | 95.783 | 1962 | 96.001 | 1961 | 96.208 | 1960 | 96.404 |
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