Year | Value | 2014 | 3,692.3385085399 | 2013 | 3,577.9392882115 | 2012 | 3,385.6664906878 | 2011 | 3,244.9660448929 | 2010 | 3,008.6777683892 | 2009 | 2,738.0528129503 | 2008 | 2,655.5503626717 | 2007 | 2,554.6460762421 | 2006 | 2,340.4569695391 | 2005 | 2,133.9198665704 | 2004 | 1,986.3290825136 | 2003 | 1,828.9126258117 | 2002 | 1,679.1709816711 | 2001 | 1,591.4312751598 | 2000 | 1,538.2576648022 | 1999 | 1,457.60720346 | 1998 | 1,416.692556043 | 1997 | 1,409.3699369472 | 1996 | 1,388.7500231376 | 1995 | 1,352.5417877863 | 1994 | 1,319.7346930902 | 1993 | 1,316.9984584961 | 1992 | 1,321.0387705664 | 1991 | 1,333.4851530171 | 1990 | 1,338.9054263865 | 1989 | 758.43166522816 | 1988 | 733.39644246321 | 1987 | 696.34174682273 | 1986 | 664.85855732844 | 1985 | 626.31153127979 | 1984 | 591.79516883767 | 1983 | 559.72093501409 | 1982 | 534.3641542988 | 1981 | 517.76853985671 | 1980 | 515.36623199276 | 1979 | 488.41501010517 | 1978 | 458.76279302204 | 1977 | 424.39548004373 | 1976 | 395.39516325145 | 1975 | 374.10838823283 | 1974 | 344.49567141939 | 1973 | 333.74218954922 | 1972 | 311.6283375067 | 1971 | 290.72712492692 |
|