Year | Value | 2022 | 55.220804972496 | 2021 | 61.043425772252 | 2020 | 75.050472303317 | 2019 | 70.565942995277 | 2018 | 68.43844471529 | 2017 | 74.500057400386 | 2016 | 82.062686481512 | 2015 | 81.885764448911 | 2014 | 84.478544225996 | 2013 | 75.92022438521 | 2012 | 70.442126065794 | 2011 | 67.009633078231 | 2010 | 73.830677972228 | 2009 | 79.161113055607 | 2008 | 64.5994485719 | 2007 | 68.07526999139 | 2006 | 67.505776214636 | 2005 | 63.932254325147 | 2004 | 71.650535004974 | 2003 | 76.155221760504 | 2002 | 78.886324407846 | 2001 | 74.810634113141 | 2000 | 63.637575522421 | 1999 | 80.735631675374 | 1998 | 101.63088924386 | 1997 | 75.217426544659 | 1996 | 75.2400429415 | 1995 | 76.348981104557 | 1994 | 76.881111200439 | 1993 | 86.129092870581 | 1992 | 87.541213293611 | 1991 | 85.222034705396 | 1990 | 84.820436875231 | 1989 | 95.40247098465 | 1988 | 105.06085280923 | 1987 | 102.52458683842 | 1986 | 119.51302282175 | 1985 | 94.708430523159 | 1984 | 81.107826757486 | 1983 | 82.217751296139 | 1982 | 78.072167549836 | 1981 | 77.332062887089 | 1980 | 66.9099756691 | 1979 | 78.917157927397 | 1978 | 85.163204747775 | 1977 | 99.666763257027 | 1976 | 100.51453205396 | 1975 | 98.378027681661 | 1974 | 85.714285714286 | 1973 | 98.820595903166 | 1972 | 99.170442396313 | 1971 | 86.013415794481 | 1970 | 88.268159046221 |
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