Year | Value | 2014 | 7,819.7146359094 | 2013 | 7,988.5833104476 | 2012 | 7,998.3467707182 | 2011 | 8,099.5986951726 | 2010 | 8,594.909034122 | 2009 | 8,020.273805712 | 2008 | 8,270.0077305701 | 2007 | 8,710.0257029242 | 2006 | 8,542.4781391274 | 2005 | 8,539.0105890916 | 2004 | 8,393.2577234054 | 2003 | 8,164.9336820182 | 2002 | 8,266.0991015732 | 2001 | 8,162.0146442363 | 2000 | 8,299.40950624 | 1999 | 8,147.3888700239 | 1998 | 8,003.9556962025 | 1997 | 7,991.0040695876 | 1996 | 7,835.4127404439 | 1995 | 7,693.6926166794 | 1994 | 7,509.5304286696 | 1993 | 7,077.3618309848 | 1992 | 7,023.5322483424 | 1991 | 7,006.5986899422 | 1990 | 6,808.7918495602 | 1989 | 6,239.3047802452 | 1988 | 5,906.4758765847 | 1987 | 5,640.9653556595 | 1986 | 5,328.2296965806 | 1985 | 5,324.1391295712 | 1984 | 5,182.0823930115 | 1983 | 4,958.9378661772 | 1982 | 4,695.3916272789 | 1981 | 4,753.852168518 | 1980 | 4,716.6779388222 | 1979 | 4,861.9207869532 | 1978 | 4,669.4977939833 | 1977 | 4,444.4200505831 | 1976 | 4,310.467745511 | 1975 | 4,041.9187437821 | 1974 | 3,967.0848386921 | 1973 | 4,067.3645671392 | 1972 | 3,737.265365526 | 1971 | 3,415.6882409151 | 1970 | 3,251.3563436264 | 1969 | 2,889.8737025406 | 1968 | 2,514.5776202592 | 1967 | 2,272.7500275333 | 1966 | 2,003.0146381928 | 1965 | 1,792.7147990853 | 1964 | 1,692.4140635481 | 1963 | 1,520.3336809176 | 1962 | 1,330.4119747612 | 1961 | 1,257.7747062889 | 1960 | 1,101.7421901819 |
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