Year | Value | 2014 | 151.47392775599 | 2013 | 141.28449843088 | 2012 | 141.194100743 | 2011 | 131.72962028678 | 2010 | 121.27473901965 | 2009 | 121.27607435599 | 2008 | 102.53143359836 | 2007 | 100.20608389829 | 2006 | 106.3967423871 | 2005 | 107.50058171121 | 2004 | 105.4765509635 | 2003 | 101.27280920996 | 2002 | 94.669393650107 | 2001 | 97.368031335015 | 2000 | 93.649505245071 | 1999 | 111.13528286395 | 1998 | 104.2658699316 | 1997 | 103.21063461476 | 1996 | 101.89202010039 | 1995 | 99.542804106772 | 1994 | 78.678359932483 | 1993 | 69.144898283441 | 1992 | 90.594291244573 | 1991 | 82.20108440272 | 1990 | 88.494502117805 | 1989 | 84.226591317966 | 1988 | 79.377678996666 | 1987 | 79.268204958805 | 1986 | 75.013737981084 | 1985 | 75.528067068924 | 1984 | 74.25182009774 | 1983 | 64.926030700737 | 1982 | 71.444093508411 | 1981 | 64.596281783336 | 1980 | 60.251364464379 | 1979 | 73.155538815894 | 1978 | 114.72488304745 | 1977 | 101.49675400456 | 1976 | 66.93463871445 | 1975 | 71.32289628336 | 1974 | 68.970161222853 | 1973 | 53.536123708598 | 1972 | 59.209577878615 | 1971 | 61.749876831049 |
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