Year | Value | 2022 | 79.311456569133 | 2021 | 84.046550921926 | 2020 | 88.81720205283 | 2019 | 85.987324180067 | 2018 | 88.719915681686 | 2017 | 90.730055694709 | 2016 | 87.538005375703 | 2015 | 88.891424554784 | 2014 | 88.942667694712 | 2013 | 89.387373941142 | 2012 | 91.340500954023 | 2011 | 97.909940743038 | 2010 | 96.054262497558 | 2009 | 93.821564930392 | 2008 | 92.258118847043 | 2007 | 85.125565983316 | 2006 | 84.906453769119 | 2005 | 85.514203252286 | 2004 | 85.212099651033 | 2003 | 83.458146953341 | 2002 | 83.924735937097 | 2001 | 85.739508135547 | 2000 | 86.533014729152 | 1999 | 99.589713222232 | 1998 | 98.498439937597 | 1997 | 97.583524247078 | 1996 | 104.24504224615 | 1995 | 97.708610661285 | 1994 | 91.831967253451 | 1993 | 101.0346914538 | 1992 | 99.025643932529 | 1991 | 95.727917722502 | 1990 | 94.745226999069 | 1989 | 78.848885061337 | 1988 | 79.85126803534 | 1987 | 85.411586647608 | 1986 | 91.045503264153 | 1985 | 109.95264797508 | 1984 | 99.32830705963 | 1983 | 99.208016809439 | 1982 | 102.16806578722 | 1981 | 105.65981233779 | 1980 | 95.001160834853 | 1979 | 93.427500720669 | 1978 | 75.455773126266 | 1977 | 76.021180030257 | 1976 | 68.987341772152 | 1975 | 65.478424015009 | 1974 | 42.873051224944 | 1973 | 52.532467532467 | 1972 | 66.400709219858 | 1971 | 67.930327868853 | 1970 | 68.539325842697 | 1969 | 73.970783532537 | 1968 | 76.842105263158 | 1967 | 98.314606741573 | 1966 | 85.063752276867 | 1965 | 68.924302788845 | 1964 | 65.281042428369 | 1963 | 70.349861240072 | 1962 | 77.120744260906 | 1961 | 80.369896755594 | 1960 | 77.829087324236 |
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