Year Current U.S. Dollars 1965-01-01 114040245.655299 1966-01-01 132758395.400497 1967-01-01 139030445.576898 1968-01-01 160819286.554292 1969-01-01 161211289.690318 1970-01-01 179080099.307461 1971-01-01 197523179.241883 1972-01-01 270818555.823521 1973-01-01 433092003.579273 1974-01-01 1073577085.641590 1975-01-01 1168304305.655130 1976-01-01 1423061356.645620 1977-01-01 1732721160.941220 1978-01-01 1941600703.605980 1979-01-01 2803780005.518260 1980-01-01 4928824957.967500 1981-01-01 4366213849.576370 1982-01-01 4264252336.448600 1983-01-01 3844723142.451490 1984-01-01 3782523088.462800 1985-01-01 3523612563.065320 1986-01-01 2358592817.121340 1987-01-01 2754463437.796770 1988-01-01 2690717551.182670 1989-01-01 2985467979.285240 1990-01-01 3520551724.137930 1991-01-01 3701667052.558460 1992-01-01 4183548189.073050 1993-01-01 4105706151.751450 1994-01-01 4087337959.931910 1995-01-01 4734020036.686890 1996-01-01 5115602836.879430 1997-01-01 5197332974.137930 1998-01-01 4051147227.533460 1999-01-01 4600000000.000000 2000-01-01 6001153306.264500 2001-01-01 5601090584.361220 2002-01-01 5843329107.561710 2003-01-01 6557333084.605670 2004-01-01 7872333215.004140 2005-01-01 9531402847.873110 2006-01-01 11470703002.076900 2007-01-01 12247694247.229800 2008-01-01 14393099068.585900 2009-01-01 10732366286.264300 2010-01-01 13707370737.073700 2011-01-01 18525319977.740700 2012-01-01 19048495518.565900 2013-01-01 18093829923.273700 2014-01-01 17098342541.436500 2015-01-01 12930394937.813700 2016-01-01 11400653959.836800 2017-01-01 12128089001.585800