Year | Value | 2022 | 124.48974438737 | 2021 | 116.48427588009 | 2020 | 113.01837892634 | 2019 | 112.85487712119 | 2018 | 111.24662935635 | 2017 | 109.35246016194 | 2016 | 107.72633665683 | 2015 | 107.19918785746 | 2014 | 106.65054955516 | 2013 | 105.69213957457 | 2012 | 104.1253413002 | 2011 | 102.07517283736 | 2010 | 100 | 2009 | 98.908240575932 | 2008 | 98.599880289049 | 2007 | 96.074672975905 | 2006 | 93.916156618647 | 2005 | 92.457704355053 | 2004 | 91.049253305936 | 2003 | 89.557461562379 | 2002 | 88.640719574456 | 2001 | 87.39894991422 | 2000 | 85.698807847292 | 1999 | 84.482039736113 | 1998 | 83.990332558558 | 1997 | 83.23193685407 | 1996 | 81.648469310627 | 1995 | 80.481704297564 | 1994 | 79.131592393829 | 1993 | 77.056419556471 | 1992 | 73.756144444307 | 1991 | 70.205850074283 | 1990 | 67.475110362682 | 1989 | 65.703438021912 | 1988 | 63.92593299097 | 1987 | 63.121687613791 | 1986 | 62.964335892091 | 1985 | 63.045925743478 | 1984 | 61.76962143392 | 1983 | 60.318483343083 | 1982 | 58.395284436227 | 1981 | 55.487176506199 | 1980 | 52.176944474852 | 1979 | 49.484466193618 | 1978 | 47.561269170401 | 1977 | 46.302445978604 | 1976 | 44.635677297153 | 1975 | 42.817381107797 | 1974 | 40.427953133275 | 1973 | 37.78792573988 | 1972 | 35.305251951825 | 1971 | 33.469473702888 | 1970 | 31.802702195978 | 1969 | 30.742025651574 | 1968 | 30.165064943516 | 1967 | 29.727977664856 | 1966 | 29.203468786457 | 1965 | 28.206901917499 | 1964 | 27.321065747114 | 1963 | 26.697483074109 | 1962 | 25.92820369973 | 1961 | 25.211376155011 | 1960 | 24.64607046728 |
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