Year | Value | 2022 | 32.619 | 2021 | 33.151 | 2020 | 33.69 | 2019 | 34.236 | 2018 | 34.789 | 2017 | 35.348 | 2016 | 35.914 | 2015 | 36.486 | 2014 | 37.064 | 2013 | 37.648 | 2012 | 38.237 | 2011 | 38.833 | 2010 | 39.433 | 2009 | 40.036 | 2008 | 40.641 | 2007 | 41.251 | 2006 | 41.863 | 2005 | 42.478 | 2004 | 43.093 | 2003 | 43.713 | 2002 | 44.334 | 2001 | 44.956 | 2000 | 45.601 | 1999 | 46.257 | 1998 | 46.914 | 1997 | 47.572 | 1996 | 48.23 | 1995 | 48.891 | 1994 | 49.551 | 1993 | 50.211 | 1992 | 50.87 | 1991 | 51.531 | 1990 | 52.085 | 1989 | 52.609 | 1988 | 53.133 | 1987 | 53.658 | 1986 | 54.18 | 1985 | 54.702 | 1984 | 55.223 | 1983 | 55.743 | 1982 | 56.262 | 1981 | 56.779 | 1980 | 57.215 | 1979 | 57.619 | 1978 | 58.021 | 1977 | 58.422 | 1976 | 58.821 | 1975 | 59.221 | 1974 | 59.618 | 1973 | 60.015 | 1972 | 60.409 | 1971 | 60.803 | 1970 | 61.196 | 1969 | 61.586 | 1968 | 61.975 | 1967 | 62.364 | 1966 | 62.75 | 1965 | 63.134 | 1964 | 63.517 | 1963 | 63.899 | 1962 | 64.278 | 1961 | 64.656 | 1960 | 65.045 |
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