Year | Value | 2014 | 2,927.7902042869 | 2013 | 2,759.482005668 | 2012 | 2,720.3555573902 | 2011 | 2,621.5118088606 | 2010 | 2,603.0909524264 | 2009 | 2,458.7244123379 | 2008 | 2,383.0036429876 | 2007 | 2,275.9309263247 | 2006 | 2,198.7278704569 | 2005 | 2,067.1079783685 | 2004 | 2,006.3081587046 | 2003 | 1,893.3642837561 | 2002 | 1,744.1709259584 | 2001 | 1,638.4138601225 | 2000 | 1,548.3706666367 | 1999 | 1,474.2671723634 | 1998 | 1,391.3177267178 | 1997 | 1,342.9142801967 | 1996 | 1,293.0372939365 | 1995 | 1,196.6975667281 | 1994 | 1,169.2277110685 | 1993 | 1,112.8863100809 | 1992 | 1,054.554051188 | 1991 | 989.22446136921 | 1990 | 950.53863587185 | 1989 | 879.19157622474 | 1988 | 817.01158745643 | 1987 | 818.08035338887 | 1986 | 764.0671992328 | 1985 | 750.76968384993 | 1984 | 714.53302265549 | 1983 | 675.91099897234 | 1982 | 603.81133848611 | 1981 | 553.63328980246 | 1980 | 539.96992367525 | 1979 | 556.16161187741 | 1978 | 511.45116913781 | 1977 | 513.32563588597 | 1976 | 489.08042478575 | 1975 | 456.70666710168 | 1974 | 419.83934177117 | 1973 | 382.64279354351 | 1972 | 315.12799696223 | 1971 | 274.20534253259 |
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