Year | Value | 2022 | 60.812 | 2021 | 61.454 | 2020 | 62.092 | 2019 | 62.727 | 2018 | 63.358 | 2017 | 63.984 | 2016 | 64.606 | 2015 | 65.223 | 2014 | 65.835 | 2013 | 66.441 | 2012 | 67.042 | 2011 | 67.636 | 2010 | 68.224 | 2009 | 68.806 | 2008 | 69.381 | 2007 | 69.949 | 2006 | 70.51 | 2005 | 71.064 | 2004 | 71.61 | 2003 | 72.151 | 2002 | 72.685 | 2001 | 73.213 | 2000 | 73.733 | 1999 | 74.248 | 1998 | 74.756 | 1997 | 75.257 | 1996 | 75.751 | 1995 | 76.24 | 1994 | 76.775 | 1993 | 77.364 | 1992 | 77.942 | 1991 | 78.511 | 1990 | 79.069 | 1989 | 79.615 | 1988 | 80.151 | 1987 | 80.677 | 1986 | 81.192 | 1985 | 81.627 | 1984 | 82.007 | 1983 | 82.381 | 1982 | 82.749 | 1981 | 83.111 | 1980 | 83.466 | 1979 | 83.817 | 1978 | 84.16 | 1977 | 84.498 | 1976 | 84.829 | 1975 | 85.156 | 1974 | 85.476 | 1973 | 85.791 | 1972 | 86.099 | 1971 | 86.402 | 1970 | 86.7 | 1969 | 87.185 | 1968 | 87.653 | 1967 | 88.109 | 1966 | 88.549 | 1965 | 88.974 | 1964 | 89.386 | 1963 | 89.784 | 1962 | 90.169 | 1961 | 90.541 | 1960 | 90.9 |
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