Year | Value | 2022 | 36.148 | 2021 | 36.778 | 2020 | 37.418 | 2019 | 38.069 | 2018 | 38.73 | 2017 | 39.401 | 2016 | 40.082 | 2015 | 40.772 | 2014 | 41.472 | 2013 | 42.18 | 2012 | 42.895 | 2011 | 43.616 | 2010 | 44.338 | 2009 | 45.063 | 2008 | 45.789 | 2007 | 46.519 | 2006 | 47.249 | 2005 | 47.98 | 2004 | 48.712 | 2003 | 49.445 | 2002 | 50.317 | 2001 | 51.225 | 2000 | 52.132 | 1999 | 53.039 | 1998 | 53.943 | 1997 | 54.845 | 1996 | 55.742 | 1995 | 56.638 | 1994 | 57.528 | 1993 | 58.414 | 1992 | 59.48 | 1991 | 60.59 | 1990 | 61.688 | 1989 | 62.774 | 1988 | 63.845 | 1987 | 64.906 | 1986 | 65.951 | 1985 | 66.981 | 1984 | 67.993 | 1983 | 68.992 | 1982 | 69.887 | 1981 | 70.744 | 1980 | 71.586 | 1979 | 72.415 | 1978 | 73.228 | 1977 | 74.026 | 1976 | 74.807 | 1975 | 75.574 | 1974 | 76.325 | 1973 | 77.059 | 1972 | 78.186 | 1971 | 79.37 | 1970 | 80.504 | 1969 | 81.59 | 1968 | 82.627 | 1967 | 83.621 | 1966 | 84.567 | 1965 | 85.467 | 1964 | 86.323 | 1963 | 87.138 | 1962 | 87.465 | 1961 | 87.669 | 1960 | 87.871 |
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