Year | Value | 2019 | 7,811.8692454269 | 2018 | 7,518.3298348915 | 2017 | 7,308.8594107642 | 2016 | 6,911.031839935 | 2015 | 6,607.2765248589 | 2014 | 6,082.4117096519 | 2013 | 5,818.5162807734 | 2012 | 5,492.4978960719 | 2011 | 5,165.9746515614 | 2010 | 4,441.4050131971 | 2009 | 4,322.5392750715 | 2008 | 4,234.1789799167 | 2007 | 4,028.6190702977 | 2006 | 3,746.3623857967 | 2005 | 3,268.7562723259 | 2004 | 2,918.7971534728 | 2003 | 2,761.937499422 | 2002 | 2,583.5876723234 | 2001 | 2,440.8921036121 | 2000 | 2,339.4706575958 | 1999 | 2,198.7898210634 | 1998 | 2,009.1969326462 | 1997 | 1,974.6351919486 | 1996 | 1,953.9805252271 | 1995 | 2,398.3150849957 | 1994 | 2,280.8793467635 | 1993 | 1,812.2353183232 | 1992 | 1,792.5841873189 | 1991 | 1,977.834636681 | 1990 | 2,344.9678522782 | 1989 | 2,234.6680809162 | 1988 | 2,288.6660526295 | 1987 | 2,119.9802986766 | 1986 | 2,057.1352633041 | 1985 | 1,961.4910301013 | 1984 | 2,093.6573220846 | 1983 | 1,948.6535873118 | 1982 | 1,850.6684969085 | 1981 | 1,792.869818743 | 1980 | 1,781.1533254466 | 1979 | 1,770.6466506813 | 1978 | 1,624.5038780698 | 1977 | 1,299.9639198448 | 1976 | 1,271.5875134926 | 1975 | 1,212.451258967 | 1974 | 1,080.5228539873 | 1973 | 958.50252181235 | 1972 | 791.9455324561 | 1971 | 683.81665074576 | 1970 | 572.73466240083 |
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