Year | Value | 2014 | 590.5382742342 | 2013 | 642.15322694923 | 2012 | 642.37691702647 | 2011 | 682.28055500269 | 2010 | 680.8483374188 | 2009 | 621.21871943008 | 2008 | 649.88852300708 | 2007 | 661.8621157902 | 2006 | 661.07902881332 | 2005 | 639.86966578125 | 2004 | 643.43596808127 | 2003 | 611.98035228377 | 2002 | 612.75779949665 | 2001 | 598.27671158388 | 2000 | 594.6178242143 | 1999 | 608.36421633657 | 1998 | 621.21150216755 | 1997 | 640.27239837682 | 1996 | 655.4615214064 | 1995 | 692.5257676134 | 1994 | 713.87874555199 | 1993 | 781.24794119907 | 1992 | 832.64849264261 | 1991 | 871.96169633118 | 1990 | 903.5800267424 | 1989 | 345.17250096853 | 1988 | 349.10017863449 | 1987 | 340.35454725251 | 1986 | 330.03661116721 | 1985 | 324.49973859174 | 1984 | 311.42026997319 | 1983 | 300.64452144082 | 1982 | 283.07211752329 | 1981 | 271.32208257094 | 1980 | 264.35287351886 | 1979 | 243.01313538678 | 1978 | 215.2942523869 | 1977 | 199.6267057052 | 1976 | 188.99571719645 | 1975 | 178.75658951122 | 1974 | 168.89236215261 | 1973 | 160.65961940149 | 1972 | 150.2188344166 | 1971 | 139.2722199742 |
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