Year | Value | 2014 | 2,161.2402624907 | 2013 | 2,155.930672413 | 2012 | 2,134.222558687 | 2011 | 2,082.1232450276 | 2010 | 1,991.9422349835 | 2009 | 1,900.1622206296 | 2008 | 1,918.9557558063 | 2007 | 1,864.6435823478 | 2006 | 1,802.5541121668 | 2005 | 1,754.779245798 | 2004 | 1,701.316015027 | 2003 | 1,666.6713878391 | 2002 | 1,592.4084300714 | 2001 | 1,566.6047737939 | 2000 | 1,598.7908362953 | 1999 | 1,538.2307559164 | 1998 | 1,512.2618957165 | 1997 | 1,453.1551844072 | 1996 | 1,389.24623721 | 1995 | 1,347.1577818223 | 1994 | 1,303.9516392684 | 1993 | 1,262.7161023841 | 1992 | 1,231.602419974 | 1991 | 1,214.4939054795 | 1990 | 1,177.3286847897 | 1989 | 1,176.9987865359 | 1988 | 1,165.2318428594 | 1987 | 1,129.2362516554 | 1986 | 1,099.1719644937 | 1985 | 1,057.8792105185 | 1984 | 1,025.1350769986 | 1983 | 964.780309434 | 1982 | 929.62581870125 | 1981 | 910.68771296745 | 1980 | 888.40436698476 | 1979 | 838.29549987819 | 1978 | 770.39817973646 | 1977 | 719.95092254122 | 1976 | 669.86019787845 | 1975 | 627.15296427126 | 1974 | 605.58291036864 | 1973 | 569.15521342607 | 1972 | 534.0526453174 | 1971 | 503.07521783968 |
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