Year | Value | 2022 | 150.0874959585 | 2021 | 138.57374299827 | 2020 | 132.6772480644 | 2019 | 129.00333121436 | 2018 | 125.22896551876 | 2017 | 121.95696065607 | 2016 | 119.84715269371 | 2015 | 117.84736815409 | 2014 | 115.95377850194 | 2013 | 113.63047301586 | 2012 | 109.39441576714 | 2011 | 104.00102664343 | 2010 | 100 | 2009 | 94.879602931013 | 2008 | 84.711563919081 | 2007 | 75.169279237102 | 2006 | 71.554654802483 | 2005 | 67.069654012483 | 2004 | 64.498084533929 | 2003 | 62.523472451681 | 2002 | 61.264089058338 | 2001 | 58.237474519349 | 2000 | 54.731852564727 | 1999 | 52.05791284712 | 1998 | 50.428159155385 | 1997 | 49.605090798799 | 1996 | 48.720601983078 | 1995 | 47.643655744588 | 1994 | 46.869728030831 | 1993 | 46.153128583786 | 1992 | 44.359729950281 | 1991 | 42.675042283937 | 1990 | 39.954620520573 | 1989 | 34.589534054303 | 1988 | 28.643632877025 | 1987 | 22.782674005794 | 1986 | 19.25875217088 | 1985 | 15.769265775687 | 1984 | 11.946899576354 | 1983 | 9.130057869185 | 1982 | 4.9633354587858 | 1981 | 3.3035335955265 | 1980 | 2.1763377345941 | 1979 | 1.3728375334827 | 1978 | 0.9504259099719 | 1977 | 0.66116585830157 | 1976 | 0.50735297080408 | 1975 | 0.38425610426261 | 1974 | 0.25726610969576 | 1973 | 0.18051712174736 | 1972 | 0.1487513695435 | 1971 | 0.13546086527618 | 1970 | 0.12691697384022 | 1969 | 0.11194690216758 | 1968 | 0.091938134757056 | 1967 | 0.079785385658203 | 1966 | 0.077221464180878 | 1965 | 0.069765838102969 | 1964 | 0.065009078681453 | 1963 | 0.054517211662871 | 1962 | 0.048276070171156 | 1961 | 0.043485572349502 | 1960 | 0.041528890897952 |
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