Year | Value | 2022 | 46.044 | 2021 | 46.995 | 2020 | 47.967 | 2019 | 48.958 | 2018 | 49.968 | 2017 | 50.995 | 2016 | 52.039 | 2015 | 53.1 | 2014 | 54.174 | 2013 | 55.244 | 2012 | 56.307 | 2011 | 57.363 | 2010 | 58.384 | 2009 | 59.399 | 2008 | 60.403 | 2007 | 61.402 | 2006 | 62.39 | 2005 | 63.368 | 2004 | 64.334 | 2003 | 65.291 | 2002 | 66.234 | 2001 | 67.102 | 2000 | 67.627 | 1999 | 68.149 | 1998 | 68.665 | 1997 | 69.177 | 1996 | 69.684 | 1995 | 70.187 | 1994 | 70.684 | 1993 | 71.177 | 1992 | 71.664 | 1991 | 72.081 | 1990 | 72.344 | 1989 | 72.605 | 1988 | 72.864 | 1987 | 73.123 | 1986 | 73.379 | 1985 | 73.634 | 1984 | 73.887 | 1983 | 74.139 | 1982 | 74.389 | 1981 | 74.645 | 1980 | 74.934 | 1979 | 75.222 | 1978 | 75.507 | 1977 | 75.79 | 1976 | 76.071 | 1975 | 76.349 | 1974 | 76.626 | 1973 | 76.9 | 1972 | 77.171 | 1971 | 77.441 | 1970 | 77.708 | 1969 | 78.148 | 1968 | 78.613 | 1967 | 79.071 | 1966 | 79.522 | 1965 | 79.965 | 1964 | 80.4 | 1963 | 80.83 | 1962 | 81.252 | 1961 | 81.666 | 1960 | 82.091 |
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