Year | Value | 2022 | 84.552547884688 | 2021 | 85.560914079421 | 2020 | 85.300990757038 | 2019 | 83.278326437992 | 2018 | 79.339392562746 | 2017 | 83.229094881802 | 2016 | 80.034866614407 | 2015 | 81.148220559446 | 2014 | 80.207690672435 | 2013 | 85.17330097417 | 2012 | 95.481876657644 | 2011 | 99.612243620955 | 2010 | 100.68319385805 | 2009 | 96.579160727296 | 2008 | 102.96336860977 | 2007 | 100.91959608867 | 2006 | 90.613502717901 | 2005 | 96.270999210371 | 2004 | 92.686176168584 | 2003 | 92.992132435076 | 2002 | 92.556739388482 | 2001 | 92.980399624908 | 2000 | 94.445314427769 | 1999 | 96.547891621882 | 1998 | 89.747450277521 | 1997 | 95.775036490144 | 1996 | 86.78058331202 | 1995 | 88.40880065018 | 1994 | 87.546147934678 | 1993 | 93.951111799799 | 1992 | 98.741684877135 | 1991 | 92.682270737033 | 1990 | 94.528347956649 | 1989 | 94.391602115136 | 1988 | 94.582646813725 | 1987 | 96.089008042895 | 1986 | 94.197613185945 | 1985 | 93.365068445232 | 1984 | 95.849734440662 | 1983 | 96.683293667612 | 1982 | 96.266092931256 | 1981 | 95.994547407265 | 1980 | 95.064407728928 | 1979 | 93.391680249451 | 1978 | 95.954445821023 | 1977 | 89.993729284243 | 1976 | 91.4649095924 | 1975 | 86.352451258754 | 1974 | 90.429184549356 | 1973 | 85.918309054556 | 1972 | 87.424511545293 | 1971 | 90.36 | 1970 | 87.206728640992 | 1969 | 88.805597201399 | 1968 | 89.352941176471 | 1967 | 92.220744680851 | 1966 | 92.160737812912 | 1965 | 91.746248294679 | 1964 | 84.466019417476 | 1963 | 87.545454545455 | 1962 | 87.132725430598 | 1961 | 90.215053763441 | 1960 | 82.853855005754 |
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