Year | Value | 2014 | 7,709.1230778825 | 2013 | 7,989.6718526352 | 2012 | 7,988.5246438891 | 2011 | 8,028.7987313947 | 2010 | 8,393.9496232695 | 2009 | 7,903.9554788763 | 2008 | 8,521.4967395343 | 2007 | 8,614.679503468 | 2006 | 8,683.6712850013 | 2005 | 8,509.997073087 | 2004 | 8,576.223496534 | 2003 | 8,411.9006570174 | 2002 | 8,311.8926794664 | 2001 | 8,267.1872159525 | 2000 | 8,247.6771125472 | 1999 | 7,944.1298073157 | 1998 | 7,913.0585803716 | 1997 | 7,701.6121309329 | 1996 | 7,527.6885449386 | 1995 | 7,379.7370790478 | 1994 | 7,176.2405068685 | 1993 | 6,881.0721430714 | 1992 | 6,850.663772536 | 1991 | 6,655.4143811086 | 1990 | 6,380.3132197542 | 1989 | 6,205.7637700163 | 1988 | 6,057.0627320822 | 1987 | 5,876.9629980404 | 1986 | 5,617.4198218727 | 1985 | 5,502.668409224 | 1984 | 5,285.5437623258 | 1983 | 5,043.9753559427 | 1982 | 4,904.070014893 | 1981 | 4,910.9532809777 | 1980 | 4,893.8853514296 | 1979 | 4,906.0850807777 | 1978 | 4,623.389684918 | 1977 | 4,404.8243207419 | 1976 | 4,247.406379991 | 1975 | 3,887.4774250819 | 1974 | 4,134.3908811114 | 1973 | 3,941.6037414338 | 1972 | 3,612.3555328096 | 1971 | 3,217.0452639995 | 1970 | 3,031.5210455667 | 1969 | 2,830.5939685873 | 1968 | 2,596.1777177839 | 1967 | 2,357.5849304106 | 1966 | 2,255.1884184892 | 1965 | 2,163.9603337691 | 1964 | 2,062.9949756417 | 1963 | 1,880.9938243896 | 1962 | 1,753.1438918471 | 1961 | 1,627.5135704166 | 1960 | 1,576.3388146312 |
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