Year Current U.S. Dollars 1960-01-01 285.542500528956 1961-01-01 287.329143899976 1962-01-01 291.539706762499 1963-01-01 296.772935442722 1964-01-01 310.872996932687 1965-01-01 317.072947341209 1966-01-01 316.179586827145 1967-01-01 333.309188038613 1968-01-01 334.647453025916 1969-01-01 357.459448696122 1970-01-01 422.413510435661 1971-01-01 466.043757858370 1972-01-01 583.349930118831 1973-01-01 768.738455488428 1974-01-01 987.976170176364 1975-01-01 1186.739879486900 1976-01-01 1182.176626700090 1977-01-01 1202.711763845860 1978-01-01 1360.870262075050 1979-01-01 1640.678328994560 1980-01-01 1893.046665375640 1981-01-01 1898.594889325170 1982-01-01 1786.918613966880 1983-01-01 1638.637327164860 1984-01-01 1681.974015920030 1985-01-01 1603.586714498380 1986-01-01 1795.605327443790 1987-01-01 1632.073424056040 1988-01-01 1535.414062634050 1989-01-01 1632.138291343450 1990-01-01 1834.989572493820 1991-01-01 1881.569901443960 1992-01-01 2057.406690313200 1993-01-01 2166.052725744650 1994-01-01 2383.915146032960 1995-01-01 2540.751518340370 1996-01-01 2714.253499693880 1997-01-01 2641.064749407820 1998-01-01 2070.165846629140 1999-01-01 2408.165465815810 2000-01-01 2076.013307676650 2001-01-01 2038.891728754570 2002-01-01 2259.055795751030 2003-01-01 2835.973971889930 2004-01-01 3332.918532720020 2005-01-01 3658.630832392310 2006-01-01 3749.939813486450 2007-01-01 4078.823270014400 2008-01-01 4177.657788742690 2009-01-01 3369.408246657820 2010-01-01 3651.966784055460 2011-01-01 4353.121392409930 2012-01-01 4546.738504451330 2013-01-01 4763.068955577780 2014-01-01 5061.397574568860 2015-01-01 4889.461453695620 2016-01-01 5197.509139876920 2017-01-01 5589.388833408960