Year Current U.S. Dollars 1976-01-01 706991274.414428 1977-01-01 827094668.018707 1978-01-01 1019630847.111130 1979-01-01 1216229419.318020 1980-01-01 1136543003.266400 1981-01-01 1147192916.689980 1982-01-01 1082939379.167620 1983-01-01 1094857357.639540 1984-01-01 1044928624.740040 1985-01-01 1080642033.349520 1986-01-01 1469046114.774550 1987-01-01 1888754655.153670 1988-01-01 2143484487.672740 1989-01-01 2191096860.286690 1990-01-01 2653480001.345580 1991-01-01 2856890680.602850 1992-01-01 3224267547.805080 1993-01-01 3263368410.018130 1994-01-01 3558137040.377720 1995-01-01 4040345933.292310 1996-01-01 4421943910.497490 1997-01-01 4187367601.734310 1998-01-01 4169664285.386810 1999-01-01 4291172815.634210 2000-01-01 4582555124.649520 2001-01-01 4536538210.667610 2002-01-01 4767303153.995060 2003-01-01 5609831328.064800 2004-01-01 6385695187.010200 2005-01-01 6283803256.012640 2006-01-01 7028803365.701510 2007-01-01 8150138757.157410 2008-01-01 9990370016.307710 2009-01-01 9128843109.155880 2010-01-01 10003670690.349700 2011-01-01 11518393367.240300 2012-01-01 11668685524.126500 2013-01-01 12129642296.442500 2014-01-01 12803445933.589400 2015-01-01 11692287066.381000 2016-01-01 12232463655.572700 2017-01-01 13338147523.012400