Year | Value | 2022 | 118.2582836228 | 2021 | 112.38892114941 | 2020 | 110.57294691091 | 2019 | 110.04856675289 | 2018 | 108.84231642295 | 2017 | 106.86445300815 | 2016 | 105.7725809006 | 2015 | 105.57901775502 | 2014 | 105.53942529342 | 2013 | 105.00624681061 | 2012 | 104.10705801615 | 2011 | 102.11159795175 | 2010 | 100 | 2009 | 98.491967129459 | 2008 | 98.405743546429 | 2007 | 95.713456157948 | 2006 | 94.310123352514 | 2005 | 92.756339193018 | 2004 | 91.164722236886 | 2003 | 89.252846258072 | 2002 | 87.41839553749 | 2001 | 85.768709637685 | 2000 | 84.389132309208 | 1999 | 82.998117158493 | 1998 | 82.554681588625 | 1997 | 82.020623273329 | 1996 | 81.044889053124 | 1995 | 79.469109081631 | 1994 | 78.066656108677 | 1993 | 76.795298175227 | 1992 | 75.212479543895 | 1991 | 73.47569022858 | 1990 | 71.188125780851 | 1989 | 68.98456333914 | 1988 | 66.65284537824 | 1987 | 64.900015836985 | 1986 | 62.833486424185 | 1985 | 61.277930282074 | 1984 | 57.90162856992 | 1983 | 53.775038272713 | 1982 | 49.12777279206 | 1981 | 43.872515792993 | 1980 | 38.717509546182 | 1979 | 34.093545548928 | 1978 | 30.812970490419 | 1977 | 28.203947808337 | 1976 | 25.758310897605 | 1975 | 23.496642559257 | 1974 | 21.038140738003 | 1973 | 18.511453659223 | 1972 | 17.239104154569 | 1971 | 16.253645145964 | 1970 | 15.421278748526 | 1969 | 14.645138925549 | 1968 | 13.810180541625 | 1967 | 13.210022171778 | 1966 | 12.851244083127 | 1965 | 12.525334776259 | 1964 | 12.195672983864 | 1963 | 11.816231149589 | 1962 | 11.253644266132 | 1961 | 10.684047757307 | 1960 | 10.433593411814 |
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