Year | Value | 2022 | 118.50263484635 | 2021 | 111.39753628211 | 2020 | 108.77528704171 | 2019 | 110.71930584234 | 2018 | 110.12563225935 | 2017 | 108.03449610027 | 2016 | 107.9219744061 | 2015 | 111.34955610279 | 2014 | 112.45567115564 | 2013 | 108.63502563188 | 2012 | 107.06273959204 | 2011 | 102.76940794144 | 2010 | 100 | 2009 | 96.851977472432 | 2008 | 97.004212087271 | 2007 | 91.903958099986 | 2006 | 89.380649639527 | 2005 | 87.289523633075 | 2004 | 84.01441190326 | 2003 | 82.805151843932 | 2002 | 81.957503313598 | 2001 | 82.167471298176 | 2000 | 78.026436046778 | 1999 | 75.234639511093 | 1998 | 72.687805742744 | 1997 | 70.432593937875 | 1996 | 70.436482233885 | 1995 | 69.791025096109 | 1994 | 66.071428815247 | 1993 | 64.261868168889 | 1992 | 63.721395023401 | 1991 | 60.606869918828 | 1990 | 57.095738621163 | 1989 | 54.758872718731 | 1988 | 52.464778072416 | 1987 | 52.033177215228 | 1986 | 48.619253317831 | 1985 | 47.577189986962 | 1984 | 46.909573415471 | 1983 | 46.350821628822 | 1982 | 45.677958561786 | 1981 | 43.66330423233 | 1980 | 37.926917051312 | 1979 | 31.743921928202 | 1978 | 29.019023250154 | 1977 | 26.172143548258 | 1976 | 24.04075469059 | 1975 | 21.921170448161 | 1974 | 18.617845624718 | 1973 | 13.87107868569 | 1972 | 12.227613923447 | 1971 | 11.334398039073 | 1970 | 10.456921641681 | 1969 | 9.2213719161792 | 1968 | 9.0180702097418 | 1967 | 8.6737689327526 | 1966 | 8.4042302187384 | 1965 | 8.2009285123206 |
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