Year | Value | 2022 | 9.265 | 2021 | 9.577 | 2020 | 9.908 | 2019 | 10.259 | 2018 | 10.63 | 2017 | 11.024 | 2016 | 11.441 | 2015 | 11.882 | 2014 | 12.349 | 2013 | 12.844 | 2012 | 13.366 | 2011 | 13.908 | 2010 | 14.467 | 2009 | 15.045 | 2008 | 15.641 | 2007 | 16.258 | 2006 | 16.893 | 2005 | 17.548 | 2004 | 18.222 | 2003 | 18.917 | 2002 | 19.632 | 2001 | 20.367 | 2000 | 21.121 | 1999 | 21.898 | 1998 | 22.694 | 1997 | 23.51 | 1996 | 24.346 | 1995 | 25.203 | 1994 | 26.079 | 1993 | 27.001 | 1992 | 28.251 | 1991 | 29.538 | 1990 | 30.857 | 1989 | 32.208 | 1988 | 33.588 | 1987 | 35 | 1986 | 36.289 | 1985 | 37.598 | 1984 | 38.924 | 1983 | 40.27 | 1982 | 41.628 | 1981 | 43 | 1980 | 45.318 | 1979 | 47.663 | 1978 | 50.015 | 1977 | 52.367 | 1976 | 54.705 | 1975 | 57.029 | 1974 | 59.319 | 1973 | 61.57 | 1972 | 63.769 | 1971 | 65.918 | 1970 | 68 | 1969 | 69.763 | 1968 | 71.467 | 1967 | 73.117 | 1966 | 74.703 | 1965 | 76.225 | 1964 | 77.682 | 1963 | 79.077 | 1962 | 80.406 | 1961 | 81.67 | 1960 | 82.602 |
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