Year | Value | 2014 | 1,943.5345486311 | 2013 | 1,897.9859528032 | 2012 | 1,819.4662868976 | 2011 | 1,766.8169528605 | 2010 | 1,654.810923787 | 2009 | 1,527.9308195803 | 2008 | 1,497.9585455798 | 2007 | 1,457.9030164836 | 2006 | 1,362.7644159679 | 2005 | 1,265.8124313868 | 2004 | 1,199.0518876174 | 2003 | 1,124.3398514028 | 2002 | 1,052.7576991646 | 2001 | 1,010.6772663531 | 2000 | 990.53321932249 | 1999 | 953.32685890403 | 1998 | 936.72116135302 | 1997 | 932.47829464592 | 1996 | 917.08434558008 | 1995 | 896.28575862168 | 1994 | 880.34740243959 | 1993 | 880.00033185608 | 1992 | 884.20379535359 | 1991 | 894.57407370754 | 1990 | 894.19318605324 | 1989 | 545.10306834481 | 1988 | 528.46201861812 | 1987 | 504.32571654917 | 1986 | 482.92361223551 | 1985 | 459.47232521274 | 1984 | 439.43717115858 | 1983 | 416.05669238858 | 1982 | 399.32962804831 | 1981 | 386.18870524884 | 1980 | 379.59451154978 | 1979 | 361.6346761817 | 1978 | 341.24822507191 | 1977 | 319.12758289303 | 1976 | 301.49144222581 | 1975 | 285.10303620316 | 1974 | 264.42986359033 | 1973 | 254.53606394998 | 1972 | 238.91459624923 | 1971 | 223.67864548553 |
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