Year | Value | 2022 | 74.184 | 2021 | 74.335 | 2020 | 74.475 | 2019 | 74.606 | 2018 | 74.726 | 2017 | 74.837 | 2016 | 74.938 | 2015 | 75.039 | 2014 | 75.139 | 2013 | 75.239 | 2012 | 75.339 | 2011 | 75.439 | 2010 | 75.538 | 2009 | 75.714 | 2008 | 76.015 | 2007 | 76.313 | 2006 | 76.608 | 2005 | 76.901 | 2004 | 77.191 | 2003 | 77.479 | 2002 | 77.765 | 2001 | 78.047 | 2000 | 78.327 | 1999 | 78.618 | 1998 | 78.927 | 1997 | 79.234 | 1996 | 79.536 | 1995 | 79.836 | 1994 | 80.132 | 1993 | 80.426 | 1992 | 80.715 | 1991 | 81.002 | 1990 | 81.285 | 1989 | 81.565 | 1988 | 81.989 | 1987 | 82.427 | 1986 | 82.857 | 1985 | 83.278 | 1984 | 83.69 | 1983 | 84.095 | 1982 | 84.492 | 1981 | 84.88 | 1980 | 85.26 | 1979 | 85.632 | 1978 | 85.926 | 1977 | 86.155 | 1976 | 86.381 | 1975 | 86.605 | 1974 | 86.825 | 1973 | 87.042 | 1972 | 87.256 | 1971 | 87.467 | 1970 | 87.675 | 1969 | 87.88 | 1968 | 88.082 | 1967 | 88.282 | 1966 | 88.478 | 1965 | 88.671 | 1964 | 88.862 | 1963 | 89.05 | 1962 | 89.235 | 1961 | 89.417 | 1960 | 89.596 |
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