Year | Value | 2022 | 101.36917493867 | 2021 | 99.643600342471 | 2020 | 96.595636651201 | 2019 | 95.459473682413 | 2018 | 94.06946019268 | 2017 | 90.804706635775 | 2016 | 91.010358687527 | 2015 | 91.812907412862 | 2014 | 95.665955596931 | 2013 | 98.662769420677 | 2012 | 94.818354026653 | 2011 | 93.701627148553 | 2010 | 96.044185160682 | 2009 | 97.244879226738 | 2008 | 97.032431981324 | 2007 | 94.387354046287 | 2006 | 92.680815171023 | 2005 | 90.85494543052 | 2004 | 88.950234509233 | 2003 | 88.779339830189 | 2002 | 88.277852014375 | 2001 | 87.178811593395 | 2000 | 84.159273615104 | 1999 | 81.620807002322 | 1998 | 79.835346342255 | 1997 | 77.270833569826 | 1996 | 78.951721641204 | 1995 | 77.673894084032 | 1994 | 75.586746829846 | 1993 | 78.612823381339 | 1992 | 84.914624227003 | 1991 | 84.35939082738 | 1990 | 86.334653672398 | 1989 | 90.025739608505 | 1988 | 86.88762084466 | 1987 | 90.021628237716 | 1986 | 93.371200722709 | 1985 | 92.324377225012 | 1984 | 93.448918871154 | 1983 | 94.589079849543 | 1982 | 92.94455985343 | 1981 | 91.067827275593 | 1980 | 88.143351637889 | 1979 | 83.546039729638 | 1978 | 83.639328933553 | 1977 | 81.371670601128 | 1976 | 85.23739188566 | 1975 | 90.035587188612 | 1974 | 85.741904301595 | 1973 | 81.808223660725 | 1972 | 83.00125049821 | 1971 | 83.720930232558 | 1970 | 85.311203319502 | 1969 | 83.517957820512 | 1968 | 82.707173778602 | 1967 | 82.369169035278 | 1966 | 85.416856077825 | 1965 | 84.930698908876 | 1964 | 87.658643326039 | 1963 | 86.67723061921 | 1962 | 84.693745970342 | 1961 | 87.42279618192 | 1960 | 87.74020557128 |
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