Year Current U.S. Dollars 1960-01-01 93850000.000000 1961-01-01 98400000.000000 1962-01-01 103500000.000000 1963-01-01 110000000.000000 1964-01-01 120850000.000000 1965-01-01 138650000.000000 1966-01-01 171100000.000000 1967-01-01 198450000.000000 1968-01-01 220600000.000000 1969-01-01 233450000.000000 1970-01-01 247150000.000000 1971-01-01 270650000.000000 1972-01-01 287600000.000000 1973-01-01 305300000.000000 1974-01-01 368600000.000000 1975-01-01 465000000.000000 1976-01-01 505500000.000000 1977-01-01 641000000.000000 1978-01-01 735500000.000000 1979-01-01 783000000.000000 1980-01-01 794900000.000000 1981-01-01 889050000.000000 1982-01-01 915150000.000000 1983-01-01 883600000.000000 1984-01-01 864150000.000000 1985-01-01 873250000.000000 1986-01-01 891000000.000000 1987-01-01 979850000.000000 1988-01-01 1160900000.000000 1989-01-01 542520000.000000 1990-01-01 388300000.000000 1991-01-01 448300000.000000 1992-01-01 404600000.000000 1993-01-01 428794117.647059 1994-01-01 605492537.313433 1995-01-01 693970588.235294 1996-01-01 860630922.693267 1997-01-01 929607500.000000 1998-01-01 945000000.000000 1999-01-01 885444186.046512 2000-01-01 892164393.939394 2001-01-01 763465550.458716 2002-01-01 1078402127.659570 2003-01-01 1271196078.431370 2004-01-01 1484092538.405270 2005-01-01 1793754804.700370 2006-01-01 2626380435.178770 2007-01-01 2936612021.857920 2008-01-01 3532969034.608380 2009-01-01 3875409836.065570 2010-01-01 4368398047.643330 2011-01-01 4422276621.787030 2012-01-01 4980000000.000000 2013-01-01 5145757575.757580 2014-01-01 5240606060.606060 2015-01-01 4826587057.687240 2016-01-01 3278425328.324180 2017-01-01 3324385325.266770