Year | Value | 2014 | 142.12922207133 | 2013 | 140.31101691646 | 2012 | 154.17231404618 | 2011 | 147.78464007327 | 2010 | 134.34990183119 | 2009 | 118.8857235839 | 2008 | 125.48028315009 | 2007 | 137.07901979708 | 2006 | 110.3653159164 | 2005 | 127.83050541942 | 2004 | 122.33391047445 | 2003 | 100.99173751019 | 2002 | 103.86391192933 | 2001 | 75.115329695974 | 2000 | 74.146136703824 | 1999 | 75.491518837812 | 1998 | 76.724308563625 | 1997 | 81.763805579977 | 1996 | 85.682471611339 | 1995 | 91.28586905654 | 1994 | 95.414091705497 | 1993 | 100.81199827216 | 1992 | 90.036093793054 | 1991 | 89.583536366145 | 1990 | 87.077295577699 | 1989 | 97.116727599946 | 1988 | 87.181760977937 | 1987 | 89.307429234368 | 1986 | 90.846384707226 | 1985 | 80.432850527661 | 1984 | 62.148415013174 | 1983 | 81.800507427791 | 1982 | 81.937697190447 | 1981 | 51.080548477921 | 1980 | 68.49762072548 | 1979 | 60.338960790658 | 1978 | 61.25302593445 | 1977 | 59.723991662068 | 1976 | 52.027337860567 | 1975 | 46.156554377099 | 1974 | 33.127346966659 | 1973 | 35.600773795066 | 1972 | 33.004529149652 | 1971 | 28.801349754056 |
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