Year | Value | 2022 | 125.62486939204 | 2021 | 122.13488600496 | 2020 | 120.17518520627 | 2019 | 122.0675687051 | 2018 | 122.50255545987 | 2017 | 121.57665397313 | 2016 | 120.52138569093 | 2015 | 119.63639457362 | 2014 | 119.47343315679 | 2013 | 116.41556455252 | 2012 | 111.90881684595 | 2011 | 105.8758024999 | 2010 | 100 | 2009 | 96.626490287658 | 2008 | 94.35346514763 | 2007 | 86.754880133408 | 2006 | 83.283112677673 | 2005 | 81.28520894751 | 2004 | 78.778702865775 | 2003 | 78.635100954842 | 2002 | 78.328315054213 | 2001 | 77.548310185005 | 2000 | 77.310917398724 | 1999 | 76.169171140899 | 1998 | 75.230904414171 | 1997 | 74.812640933581 | 1996 | 73.834808742472 | 1995 | 72.919150852533 | 1994 | 72.201320284494 | 1993 | 71.296966812949 | 1992 | 70.974790888711 | 1991 | 69.70304381935 | 1990 | 68.838255812185 | 1989 | 68.31260035685 | 1988 | 68.172256002484 | 1987 | 67.928243591908 | 1986 | 67.258068661386 | 1985 | 67.302746989876 | 1984 | 66.618824881327 | 1983 | 65.58091293789 | 1982 | 64.230252693334 | 1981 | 61.611415272791 | 1980 | 57.418525964378 | 1979 | 50.452143482001 | 1978 | 46.719784638721 | 1977 | 44.836421244385 | 1976 | 42.870574781721 | 1975 | 41.241534181781 | 1974 | 38.950820347897 | 1973 | 33.500875586601 | 1972 | 31.351295780402 | 1971 | 29.742367864738 | 1970 | 29.182174339469 | 1969 | 28.309314660626 | 1968 | 27.801232160964 | 1967 | 27.358288443179 | 1966 | 26.986997385733 | 1965 | 26.934886360061 | 1964 | 26.811122674246 | 1963 | 26.179276488898 | 1962 | 26.062026681284 | 1961 | 25.858263042666 | 1960 | 25.700510548186 |
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