Year | Value | 2014 | 1,682.0668686023 | 2013 | 1,585.8394725502 | 2012 | 1,473.328649025 | 2011 | 1,381.260139779 | 2010 | 1,268.7625257579 | 2009 | 1,174.3819545349 | 2008 | 1,107.1454636796 | 2007 | 1,050.2410939251 | 2006 | 978.73858898671 | 2005 | 914.0243766613 | 2004 | 872.17825226113 | 2003 | 879.46508796332 | 2002 | 921.96896554855 | 2001 | 906.64162480925 | 2000 | 918.45555044001 | 1999 | 888.97183483349 | 1998 | 869.30929923312 | 1997 | 861.92422247814 | 1996 | 823.70207496092 | 1995 | 812.78615578865 | 1994 | 727.20380681961 | 1993 | 650.22085166164 | 1992 | 580.07257804501 | 1991 | 545.34601280807 | 1990 | 524.73458407394 | 1989 | 464.91169461705 | 1988 | 448.96040694645 | 1987 | 400.3690777069 | 1986 | 349.00730935166 | 1985 | 305.47323177668 | 1984 | 303.67446097783 | 1983 | 276.67473460163 | 1982 | 270.937036201 | 1981 | 274.08095156354 | 1980 | 249.76355283944 | 1979 | 221.37650175117 | 1978 | 193.20400633299 | 1977 | 161.9671648384 | 1976 | 134.04613774624 | 1975 | 119.72015689603 | 1974 | 115.93296582205 | 1973 | 107.62012418898 | 1972 | 91.611844975308 | 1971 | 84.017344102165 |
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