Year | Value | 2014 | 600.05259066746 | 2013 | 617.27508706466 | 2012 | 650.6810373127 | 2011 | 653.08819406104 | 2010 | 738.82680913627 | 2009 | 723.59268098635 | 2008 | 798.43730734589 | 2007 | 743.99012731957 | 2006 | 779.3854709163 | 2005 | 800.42381675568 | 2004 | 772.47710022953 | 2003 | 743.38650291167 | 2002 | 704.36206562277 | 2001 | 723.31670758245 | 2000 | 699.01822047867 | 1999 | 678.66152501985 | 1998 | 624.05434137336 | 1997 | 721.10794352026 | 1996 | 807.31935350598 | 1995 | 884.76773573793 | 1994 | 903.76822674277 | 1993 | 881.45799913719 | 1992 | 1,000.4668378825 | 1991 | 1,129.1213378738 | 1990 | 1,207.2873017328 | 1989 | 1,291.5855186871 | 1988 | 1,251.0481513917 | 1987 | 1,180.6735496418 | 1986 | 1,160.9624169392 | 1985 | 1,176.2187416027 | 1984 | 1,118.3422302597 | 1983 | 1,105.833391001 | 1982 | 1,093.7144550234 | 1981 | 1,081.5893347384 | 1980 | 1,068.2860743366 | 1979 | 1,054.3946410137 | 1978 | 1,039.1427610222 | 1977 | 1,023.1908756746 | 1976 | 1,006.9364114211 | 1975 | 991.43396272448 | 1974 | 961.30669084301 | 1973 | 931.35456192606 | 1972 | 903.20092199805 | 1971 | 875.26507275629 |
|