Year | Value | 2014 | 22,999.934595128 | 2013 | 23,806.884881024 | 2012 | 24,070.985915718 | 2011 | 23,510.383825202 | 2010 | 24,890.924010462 | 2009 | 23,859.709579711 | 2008 | 24,866.134307787 | 2007 | 24,855.00046399 | 2006 | 24,099.93226306 | 2005 | 25,083.214532678 | 2004 | 24,214.106983804 | 2003 | 23,201.394129715 | 2002 | 24,620.336131898 | 2001 | 25,590.689428814 | 2000 | 24,993.726295473 | 1999 | 25,057.189595584 | 1998 | 25,424.103637082 | 1997 | 24,326.034236691 | 1996 | 23,998.844188165 | 1995 | 24,528.443855547 | 1994 | 24,247.263936164 | 1993 | 23,967.118669775 | 1992 | 23,787.321811468 | 1991 | 23,808.62991854 | 1990 | 23,353.915019617 | 1989 | 22,859.300466228 | 1988 | 22,979.991865994 | 1987 | 22,800.135183387 | 1986 | 22,177.621579544 | 1985 | 22,559.094293676 | 1984 | 21,939.813516537 | 1983 | 20,497.370430226 | 1982 | 19,357.745613564 | 1981 | 19,431.168411753 | 1980 | 18,725.67688625 | 1979 | 18,862.290814256 | 1978 | 17,314.781119238 | 1977 | 16,515.363430744 | 1976 | 16,913.42005965 | 1975 | 16,313.924068322 | 1974 | 16,286.774908927 | 1973 | 15,541.790006191 | 1972 | 14,488.416487753 | 1971 | 14,084.40961005 | 1970 | 13,454.125032929 | 1969 | 13,230.21737362 | 1968 | 13,494.874604545 | 1967 | 12,256.975023906 | 1966 | 11,655.97125722 | 1965 | 11,416.352955333 | 1964 | 10,553.444066719 | 1963 | 9,658.7052033022 | 1962 | 9,390.978307288 | 1961 | 8,404.6207546124 | 1960 | 7,681.1405214787 |
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