Year | Value | 2021 | 88.863196491666 | 2020 | 97.763797765973 | 2019 | 87.492035003574 | 2018 | 88.036977035016 | 2017 | 97.522306638275 | 2016 | 100.22466853602 | 2015 | 97.073449575903 | 2014 | 79.398644326484 | 2013 | 80.482585510867 | 2012 | 76.62837301056 | 2011 | 73.807462295874 | 2010 | 65.765103641457 | 2009 | 84.011494708682 | 2008 | 78.701422847449 | 2007 | 83.507504627845 | 2006 | 75.491761318047 | 2005 | 72.782416719408 | 2004 | 87.491997708464 | 2003 | 83.041301630043 | 2002 | 78.816101151189 | 2001 | 77.63411151817 | 2000 | 72.217370694445 | 1999 | 89.50270710569 | 1998 | 107.81599333325 | 1997 | 88.554068478529 | 1996 | 85.955773453858 | 1995 | 91.520792900077 | 1994 | 91.786282286151 | 1993 | 95.003747189608 | 1992 | 90.831053280144 | 1991 | 91.675839295542 | 1990 | 80.36902668655 | 1989 | 75.052725052725 | 1988 | 82.084050240347 | 1987 | 80.162478529749 | 1986 | 101.77645202214 | 1985 | 87.29419506624 | 1984 | 87.291998424628 | 1983 | 84.415492697379 | 1982 | 84.60565706271 | 1981 | 73.361788642692 | 1980 | 75.001210009196 | 1979 | 79.651019775107 | 1978 | 90.51239402933 | 1977 | 84.980958493773 | 1976 | 83.636786158544 | 1975 | 83.140041858608 | 1974 | 74.036939313984 | 1973 | 87.367178276269 | 1972 | 84.375 | 1971 | 66.34692246203 | 1970 | 45.973782771536 | 1969 | 37.3 | 1968 | 44.599745870394 | 1967 | 88.659793814433 |
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