Year Current U.S. Dollars 1970-01-01 1031223571486.51 1971-01-01 1164130501537.16 1972-01-01 1395009475655.52 1973-01-01 1774472963831.23 1974-01-01 2003824752233.43 1975-01-01 2344581017686.83 1976-01-01 2436490252319.50 1977-01-01 2750272529951.74 1978-01-01 3372005312043.20 1979-01-01 4108075516600.90 1980-01-01 4642843473967.08 1981-01-01 4119495735275.78 1982-01-01 3960757398705.65 1983-01-01 3845274903770.25 1984-01-01 3697522398954.23 1985-01-01 3821958551453.78 1986-01-01 5218972121781.36 1987-01-01 6450646084107.12 1988-01-01 7185215350740.22 1989-01-01 7261957033695.20 1990-01-01 8860419927351.58 1991-01-01 9124607237382.46 1992-01-01 9794837260022.95 1993-01-01 8999957448568.13 1994-01-01 9423254330850.26 1995-01-01 10776719033970.60 1996-01-01 11002579469121.80 1997-01-01 10450895280275.70 1998-01-01 10730854926763.30 1999-01-01 10617504387175.80 2000-01-01 10016063636726.80 2001-01-01 10097870548827.90 2002-01-01 11027509717120.10 2003-01-01 13467602822470.10 2004-01-01 15749454145944.40 2005-01-01 16796378048634.60 2006-01-01 18160046707962.00 2007-01-01 21138042340669.40 2008-01-01 23050048857501.00 2009-01-01 20383474443152.70 2010-01-01 20928974775727.30 2011-01-01 23145946564166.20 2012-01-01 22278556310222.50 2013-01-01 23268343581430.10 2014-01-01 23537141521116.30 2015-01-01 20236797201584.50 2016-01-01 20161240537307.90 2017-01-01 21376802356872.20