Year | Value | 2022 | 88.904885078175 | 2021 | 93.306320292294 | 2020 | 93.516277879425 | 2019 | 92.93046447617 | 2018 | 93.855389537024 | 2017 | 92.824637072428 | 2016 | 93.316862521123 | 2015 | 93.211871008889 | 2014 | 93.03763484482 | 2013 | 93.392498964674 | 2012 | 93.979978136744 | 2011 | 93.605510194814 | 2010 | 93.054124756393 | 2009 | 95.502920706321 | 2008 | 96.47664301373 | 2007 | 97.102785100211 | 2006 | 95.906643531514 | 2005 | 94.4955066607 | 2004 | 94.350884666663 | 2003 | 93.204896903378 | 2002 | 93.147999983694 | 2001 | 92.859544811122 | 2000 | 93.289390382736 | 1999 | 94.000312102718 | 1998 | 96.925997346761 | 1997 | 95.642739778272 | 1996 | 94.336498484706 | 1995 | 95.29069004985 | 1994 | 94.076733916916 | 1993 | 92.472502545559 | 1992 | 93.093203198475 | 1991 | 93.781573173549 | 1990 | 94.443884802632 | 1989 | 96.204959640608 | 1988 | 96.523853825202 | 1987 | 97.945277087125 | 1986 | 100.19903128576 | 1985 | 99.225014189322 | 1984 | 98.323173867503 | 1983 | 97.790409555265 | 1982 | 99.091376539953 | 1981 | 98.593261016449 | 1980 | 100.45024312876 | 1979 | 102.38188958517 | 1978 | 102.21645160292 | 1977 | 103.56733034494 | 1976 | 104.53170468617 | 1975 | 100.95973654978 | 1974 | 103.34856267152 | 1973 | 101.89358833881 | 1972 | 100.40839578234 | 1971 | 102.02531155625 | 1970 | 102.83267215828 | 1969 | 102.07580167856 | 1968 | 101.38442790495 | 1967 | 102.07178791609 | 1966 | 101.57265383712 |
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