Year | Value | 2022 | 107.01630630926 | 2021 | 104.23592919715 | 2020 | 103.00431803045 | 2019 | 104.22083048164 | 2018 | 104.56543849864 | 2017 | 105.66127497621 | 2016 | 104.93208438597 | 2015 | 105.65799402868 | 2014 | 108.14741297287 | 2013 | 107.88001574855 | 2012 | 106.69887463499 | 2011 | 105.83516519571 | 2010 | 100 | 2009 | 99.156300211572 | 2008 | 97.156872888509 | 2007 | 92.266475866165 | 2006 | 88.309430865746 | 2005 | 81.400569151692 | 2004 | 78.740845867805 | 2003 | 76.959574479329 | 2002 | 75.276809104367 | 2001 | 73.771074326359 | 2000 | 72.110057032304 | 1999 | 70.593113159375 | 1998 | 68.296284323543 | 1997 | 66.020965076509 | 1996 | 60.622426794304 | 1995 | 59.383349354416 | 1994 | 57.677928227846 | 1993 | 56.857884254831 | 1992 | 55.855357959056 | 1991 | 54.30313186462 | 1990 | 52.052516669997 | 1989 | 50.045211216523 | 1988 | 47.58507929297 | 1987 | 47.474688756798 | 1986 | 47.021862275454 | 1985 | 47.025006148098 | 1984 | 45.824609291126 | 1983 | 44.613398048236 | 1982 | 43.613968532893 | 1981 | 41.173522070239 | 1980 | 37.269078089523 | 1979 | 31.654609306974 |
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