Year Current U.S. Dollars 1962-01-01 34.7414275226911 1963-01-01 40.6608268942938 1964-01-01 46.8305160523438 1965-01-01 233.4148053084160 1966-01-01 242.6035918390270 1967-01-01 246.4471337674460 1968-01-01 224.0372112249940 1969-01-01 219.5247223052850 1970-01-01 216.4051631125020 1971-01-01 215.2942484628630 1972-01-01 223.6245817068820 1973-01-01 288.9578604938230 1974-01-01 349.4832076613580 1975-01-01 401.5278073988800 1976-01-01 411.0052179590710 1977-01-01 421.5533676663300 1980-01-01 198.3467375844530 1981-01-01 136.0105710359860 1982-01-01 152.4158866600340 1983-01-01 141.3227027510610 1984-01-01 148.8405743111780 1985-01-01 173.0823549149130 1986-01-01 203.1981914859060 1987-01-01 239.2422021181170 1988-01-01 249.8835851894400 1989-01-01 213.1317932292140 1990-01-01 262.6694558419920 1991-01-01 251.7022043172300 1992-01-01 295.9634763978770 1993-01-01 289.0884089921120 1994-01-01 206.9364080427100 1995-01-01 280.9695313393220 1996-01-01 443.6325955502950 1997-01-01 812.1715227681920 1998-01-01 654.1473102076960 1999-01-01 1052.8528178698500 2000-01-01 1702.6849010027600 2001-01-01 2283.8790394389500 2002-01-01 2711.1701141691400 2003-01-01 3577.1761965953400 2004-01-01 6085.3489069204000 2005-01-01 10850.6333446261000 2006-01-01 12732.0275869622000 2007-01-01 15761.8391282779000 2008-01-01 22742.3815908012000 2009-01-01 16530.2093729134000 2010-01-01 17136.4456757583000 2011-01-01 21451.8861709069000 2012-01-01 21557.6527999109000 2013-01-01 20246.9930826625000 2014-01-01 19245.6515117120000 2015-01-01 11213.4746309009000 2016-01-01 9217.8895275868200 2017-01-01 9850.0135847814100