Year | Value | 2022 | 99.248911929896 | 2021 | 99.058079137612 | 2020 | 99.394974536759 | 2019 | 100.64441949669 | 2018 | 99.606204381094 | 2017 | 99.281798639097 | 2016 | 99.600323994852 | 2015 | 101.15324309886 | 2014 | 102.66152018194 | 2013 | 102.30149603713 | 2012 | 101.35919547599 | 2011 | 100.76937982105 | 2010 | 101.04100857033 | 2009 | 100.40323333651 | 2008 | 100.18956839489 | 2007 | 98.63726116013 | 2006 | 97.293067280554 | 2005 | 96.599136675657 | 2004 | 96.586729449775 | 2003 | 97.778817311608 | 2002 | 99.157176859476 | 2001 | 102.1928636822 | 2000 | 102.26366534804 | 1999 | 101.85236994708 | 1998 | 102.37758426375 | 1997 | 102.6089101002 | 1996 | 102.17517210961 | 1995 | 101.92670992225 | 1994 | 99.648606942062 | 1993 | 98.59277652727 | 1992 | 97.516751466709 | 1991 | 99.236804564907 | 1990 | 98.761126898644 | 1989 | 96.531658339983 | 1988 | 101.58835810596 | 1987 | 100.50121953467 | 1986 | 101.97082274565 | 1985 | 100.27290584355 | 1984 | 104.74148311822 | 1983 | 104.60901559389 | 1982 | 104.51167711542 | 1981 | 102.53670076118 | 1980 | 101.2327477271 | 1979 | 103.72593036134 | 1978 | 101.45267615532 | 1977 | 100.56673045477 | 1976 | 102.06870729763 | 1975 | 99.545973928731 | 1974 | 101.37858834549 | 1973 | 96.006618758694 | 1972 | 101.76595218184 | 1971 | 102.42121083071 | 1970 | 100.42016350937 | 1969 | 100.70557970549 | 1968 | 100.44803168805 | 1967 | 98.409092960388 | 1966 | 94.887242860831 | 1965 | 94.878930414886 | 1964 | 100.46756588094 | 1963 | 98.930442484204 | 1962 | 104.97934437139 | 1961 | 88.249926577815 | 1960 | 89.101511428537 |
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