Year | Value | 2022 | 52.676 | 2021 | 53.269 | 2020 | 53.859 | 2019 | 54.446 | 2018 | 55.029 | 2017 | 55.609 | 2016 | 56.184 | 2015 | 56.755 | 2014 | 57.321 | 2013 | 57.883 | 2012 | 58.442 | 2011 | 59 | 2010 | 60.69 | 2009 | 62.355 | 2008 | 63.989 | 2007 | 65.596 | 2006 | 62.9 | 2005 | 63.689 | 2004 | 64.469 | 2003 | 65.244 | 2002 | 66.01 | 2001 | 66.383 | 2000 | 66.753 | 1999 | 67.122 | 1998 | 67.489 | 1997 | 67.853 | 1996 | 68.215 | 1995 | 68.575 | 1994 | 68.933 | 1993 | 69.289 | 1992 | 69.641 | 1991 | 69.993 | 1990 | 70.342 | 1989 | 70.688 | 1988 | 71.031 | 1987 | 71.373 | 1986 | 71.667 | 1985 | 71.933 | 1984 | 72.196 | 1983 | 72.459 | 1982 | 72.72 | 1981 | 72.979 | 1980 | 73.237 | 1979 | 73.493 | 1978 | 73.748 | 1977 | 74.001 | 1976 | 74.252 | 1975 | 74.502 | 1974 | 74.97 | 1973 | 75.573 | 1972 | 76.165 | 1971 | 76.749 | 1970 | 77.322 | 1969 | 77.885 | 1968 | 78.437 | 1967 | 78.98 | 1966 | 79.513 | 1965 | 80.036 | 1964 | 80.547 | 1963 | 81.08 | 1962 | 81.628 | 1961 | 82.165 | 1960 | 82.688 |
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