Year | Value | 2022 | 31.919 | 2021 | 32.54 | 2020 | 33.175 | 2019 | 33.823 | 2018 | 34.486 | 2017 | 35.161 | 2016 | 35.851 | 2015 | 36.554 | 2014 | 37.269 | 2013 | 37.998 | 2012 | 38.732 | 2011 | 39.472 | 2010 | 40.217 | 2009 | 40.966 | 2008 | 41.718 | 2007 | 42.476 | 2006 | 43.236 | 2005 | 44 | 2004 | 45.173 | 2003 | 46.355 | 2002 | 47.539 | 2001 | 48.726 | 2000 | 49.913 | 1999 | 51.103 | 1998 | 52.29 | 1997 | 53.475 | 1996 | 54.654 | 1995 | 55.831 | 1994 | 57 | 1993 | 58.489 | 1992 | 59.961 | 1991 | 61.42 | 1990 | 62.856 | 1989 | 64.269 | 1988 | 65.657 | 1987 | 67.022 | 1986 | 68.357 | 1985 | 69.662 | 1984 | 70.935 | 1983 | 72.179 | 1982 | 73.388 | 1981 | 74.563 | 1980 | 75.702 | 1979 | 76.808 | 1978 | 77.878 | 1977 | 78.912 | 1976 | 79.908 | 1975 | 80.872 | 1974 | 81.798 | 1973 | 82.69 | 1972 | 83.545 | 1971 | 84.368 | 1970 | 85.043 | 1969 | 85.564 | 1968 | 86.068 | 1967 | 86.559 | 1966 | 87.035 | 1965 | 87.496 | 1964 | 87.942 | 1963 | 88.376 | 1962 | 88.796 | 1961 | 89.202 | 1960 | 89.565 |
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