Year | Value | 2022 | 121.55164717436 | 2021 | 112.86492277475 | 2020 | 110.8115346844 | 2019 | 110.3472904205 | 2018 | 109.51700741005 | 2017 | 108.63315775377 | 2016 | 107.40112489956 | 2015 | 107.13329167039 | 2014 | 106.65119185787 | 2013 | 106.05303097938 | 2012 | 105.22274796893 | 2011 | 102.75868226051 | 2010 | 100 | 2009 | 97.741273100616 | 2008 | 96.482456923489 | 2007 | 93.295241496295 | 2006 | 91.741808767074 | 2005 | 90.009820551736 | 2004 | 88.402821176681 | 2003 | 87.393982680118 | 2002 | 85.617355593251 | 2001 | 83.590750825819 | 2000 | 81.681151682885 | 1999 | 79.376624408535 | 1998 | 77.442274796893 | 1997 | 76.038862601554 | 1996 | 74.415003124721 | 1995 | 72.865661994465 | 1994 | 71.378415320061 | 1993 | 69.984317471654 | 1992 | 69.114950450853 | 1991 | 67.696011963218 | 1990 | 66.112515846799 | 1989 | 64.41103205071 | 1988 | 61.476909204535 | 1987 | 58.809806267298 | 1986 | 56.537021694492 | 1985 | 54.53126149451 | 1984 | 52.093916614588 | 1983 | 49.010757968039 | 1982 | 45.843765735202 | 1981 | 41.630423176502 | 1980 | 37.247379698241 | 1979 | 33.16617444871 | 1978 | 30.258057316311 | 1977 | 27.454000535666 | 1976 | 24.750673154183 | 1975 | 22.704895991429 | 1974 | 20.715085260245 | 1973 | 17.970113382734 | 1972 | 16.440582983662 | 1971 | 15.428133202393 | 1970 | 14.572732791715 | 1969 | 13.68141058834 | 1968 | 13.220297294884 | 1967 | 12.240425854834 | 1966 | 11.311956990463 | 1965 | 10.565508101362 | 1964 | 10.019448175853 | 1963 | 9.7188647305779 | 1962 | 9.1596642232681 | 1961 | 8.5303131147656 | 1960 | 8.2457021038669 |
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