Year | Value | 2022 | 87.163669901081 | 2021 | 82.422560338966 | 2020 | 85.575784655351 | 2019 | 81.73135147087 | 2018 | 81.290255166938 | 2017 | 80.675625545369 | 2016 | 87.408553024309 | 2015 | 90.233846990145 | 2014 | 88.016400888945 | 2013 | 92.383755688745 | 2012 | 96.436508486874 | 2011 | 98.530738515108 | 2010 | 99.94321315889 | 2009 | 100.90609088306 | 2008 | 101.82795750075 | 2007 | 103.82843279844 | 2006 | 107.03323829357 | 2005 | 110.44315957304 | 2004 | 106.39260723547 | 2003 | 102.84923848205 | 2002 | 97.101572705331 | 2001 | 104.18886694232 | 2000 | 108.12749381966 | 1999 | 104.80445480446 | 1998 | 106.51069294768 | 1997 | 105.95494203418 | 1996 | 109.78210323523 | 1995 | 105.24134054662 | 1994 | 107.22247375051 | 1993 | 106.7765272982 | 1992 | 104.55846966101 | 1991 | 108.27611821085 | 1990 | 110.8086737773 | 1989 | 108.37545984874 | 1988 | 107.581812696 | 1987 | 106.95991965967 | 1986 | 107.93367291595 | 1985 | 113.51894250221 | 1984 | 112.8064505524 | 1983 | 112.43242782927 | 1982 | 113.47325634985 | 1981 | 106.06875780499 | 1980 | 103.44188866029 | 1979 | 103.06012705388 | 1978 | 105.29318486834 | 1977 | 112.43836903099 | 1976 | 109.43056448158 | 1975 | 111.55506211415 | 1974 | 126.68373138001 | 1973 | 117.82337683858 | 1972 | 120.97982051924 | 1971 | 123.35402276036 | 1970 | 127.31166473393 |
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