Year | Value | 2022 | 125.57437914781 | 2021 | 114.47403881267 | 2020 | 112.03139283299 | 2019 | 109.25293036835 | 2018 | 107.36321800861 | 2017 | 106.87056007066 | 2016 | 105.48016989023 | 2015 | 104.6043335561 | 2014 | 104.46308699624 | 2013 | 105.61455504196 | 2012 | 104.8697225705 | 2011 | 103.40322829787 | 2010 | 100 | 2009 | 98.786232140726 | 2008 | 101.05803855321 | 2007 | 94.141287640504 | 2006 | 88.935615450723 | 2005 | 87.095901066348 | 2004 | 85.630478213226 | 2003 | 85.191925700815 | 2002 | 85.236246012342 | 2001 | 83.289518534341 | 2000 | 80.883634157553 | 1999 | 80.295882763451 | 1998 | 79.637084497535 | 1997 | 78.726392777003 | 1996 | 77.369969716878 | 1995 | 75.296084661289 | 1994 | 69.806496314322 | 1993 | 52.766317521308 | 1992 | 53.07758283995 | 1991 | 53.136002137291 | 1990 | 54.084402917553 | 1989 | 53.909145025532 | 1988 | 53.669078225523 | 1987 | 54.667683089438 | 1986 | 57.029100624115 | 1985 | 53.707415889348 | 1984 | 47.528662394021 | 1983 | 42.51829484555 | 1982 | 38.093033072033 | 1981 | 32.45374527563 | 1980 | 30.64183425658 | 1979 | 28.181834157659 | 1978 | 25.700839623656 | 1977 | 24.851021407692 | 1976 | 22.319822790128 | 1975 | 22.080668791585 | 1974 | 16.771815145811 | 1973 | 14.383926366989 | 1972 | 12.9252695365 | 1971 | 12.175859487822 | 1970 | 11.721284330418 | 1969 | 11.400890996566 | 1968 | 10.96000786194 | 1967 | 10.953618251348 |
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