Year | Value | 2022 | 43.077 | 2021 | 43.867 | 2020 | 44.673 | 2019 | 45.493 | 2018 | 46.328 | 2017 | 47.176 | 2016 | 48.038 | 2015 | 48.911 | 2014 | 49.797 | 2013 | 50.694 | 2012 | 51.6 | 2011 | 52.507 | 2010 | 53.412 | 2009 | 54.314 | 2008 | 55.212 | 2007 | 56.11 | 2006 | 57.002 | 2005 | 57.889 | 2004 | 58.771 | 2003 | 59.649 | 2002 | 60.52 | 2001 | 61.384 | 2000 | 61.909 | 1999 | 61.786 | 1998 | 61.663 | 1997 | 61.541 | 1996 | 61.418 | 1995 | 61.295 | 1994 | 61.171 | 1993 | 61.048 | 1992 | 60.925 | 1991 | 60.801 | 1990 | 60.677 | 1989 | 60.553 | 1988 | 60.43 | 1987 | 61.695 | 1986 | 63.366 | 1985 | 65.006 | 1984 | 66.609 | 1983 | 68.178 | 1982 | 69.705 | 1981 | 71.19 | 1980 | 72.629 | 1979 | 74.025 | 1978 | 75.373 | 1977 | 76.673 | 1976 | 78.029 | 1975 | 79.431 | 1974 | 80.763 | 1973 | 82.029 | 1972 | 83.227 | 1971 | 84.364 | 1970 | 85.436 | 1969 | 86.446 | 1968 | 87.394 | 1967 | 88.288 | 1966 | 89.126 | 1965 | 89.91 | 1964 | 90.643 | 1963 | 91.329 | 1962 | 91.969 | 1961 | 92.565 | 1960 | 93.12 |
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