Year | Value | 2022 | 24.245 | 2021 | 24.927 | 2020 | 25.646 | 2019 | 26.402 | 2018 | 27.197 | 2017 | 28.032 | 2016 | 28.908 | 2015 | 29.826 | 2014 | 30.787 | 2013 | 31.792 | 2012 | 32.84 | 2011 | 33.936 | 2010 | 35.048 | 2009 | 36.177 | 2008 | 37.32 | 2007 | 38.48 | 2006 | 39.652 | 2005 | 40.835 | 2004 | 42.028 | 2003 | 43.234 | 2002 | 44.445 | 2001 | 45.623 | 2000 | 46.576 | 1999 | 47.533 | 1998 | 48.491 | 1997 | 49.45 | 1996 | 50.408 | 1995 | 51.369 | 1994 | 52.327 | 1993 | 53.283 | 1992 | 54.236 | 1991 | 55.207 | 1990 | 56.352 | 1989 | 57.489 | 1988 | 58.618 | 1987 | 59.74 | 1986 | 60.851 | 1985 | 61.951 | 1984 | 63.037 | 1983 | 64.113 | 1982 | 65.174 | 1981 | 66.143 | 1980 | 66.518 | 1979 | 66.891 | 1978 | 67.262 | 1977 | 67.63 | 1976 | 67.996 | 1975 | 68.361 | 1974 | 68.723 | 1973 | 69.083 | 1972 | 69.439 | 1971 | 69.795 | 1970 | 70.482 | 1969 | 72.139 | 1968 | 73.736 | 1967 | 75.276 | 1966 | 76.753 | 1965 | 78.167 | 1964 | 79.516 | 1963 | 80.806 | 1962 | 82.031 | 1961 | 83.195 | 1960 | 83.927 |
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