Year | Value | 2022 | 70.057 | 2021 | 70.52 | 2020 | 70.972 | 2019 | 71.415 | 2018 | 71.847 | 2017 | 72.27 | 2016 | 72.683 | 2015 | 73.092 | 2014 | 73.498 | 2013 | 73.899 | 2012 | 74.296 | 2011 | 74.69 | 2010 | 75.202 | 2009 | 75.707 | 2008 | 76.204 | 2007 | 76.696 | 2006 | 77.18 | 2005 | 77.751 | 2004 | 78.311 | 2003 | 78.863 | 2002 | 79.403 | 2001 | 79.933 | 2000 | 80.452 | 1999 | 80.962 | 1998 | 81.462 | 1997 | 81.951 | 1996 | 82.429 | 1995 | 83.045 | 1994 | 83.681 | 1993 | 84.297 | 1992 | 84.894 | 1991 | 85.473 | 1990 | 86.033 | 1989 | 86.575 | 1988 | 87.099 | 1987 | 87.606 | 1986 | 88.095 | 1985 | 88.248 | 1984 | 88.309 | 1983 | 88.37 | 1982 | 88.43 | 1981 | 88.49 | 1980 | 88.55 | 1979 | 88.61 | 1978 | 88.669 | 1977 | 88.728 | 1976 | 88.787 | 1975 | 89.178 | 1974 | 89.645 | 1973 | 90.095 | 1972 | 90.526 | 1971 | 90.961 | 1970 | 91.392 | 1969 | 91.804 | 1968 | 92.198 | 1967 | 92.575 | 1966 | 92.935 | 1965 | 93.634 | 1964 | 94.339 | 1963 | 94.971 | 1962 | 95.536 | 1961 | 96.04 | 1960 | 96.488 |
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