Year Current U.S. Dollars 1968-01-01 222.619524564996 1969-01-01 238.835300719367 1970-01-01 256.341059422050 1971-01-01 289.454866063626 1972-01-01 334.979353334217 1973-01-01 413.968483626346 1974-01-01 768.950696179748 1975-01-01 825.746102504517 1976-01-01 996.344272988676 1977-01-01 1114.053417981670 1978-01-01 1182.459061263180 1979-01-01 1549.753370487210 1980-01-01 2040.396012678740 1981-01-01 2037.300790633590 1982-01-01 1837.087828150730 1983-01-01 1669.550455586960 1984-01-01 1640.870233667980 1985-01-01 1571.561422047980 1986-01-01 1451.271808541320 1987-01-01 1525.229080608000 1988-01-01 1457.979268997440 1989-01-01 1486.363103293050 1990-01-01 1987.839701184040 1991-01-01 1904.616033773740 1992-01-01 2004.009905349940 1993-01-01 1974.275775420410 1994-01-01 1969.702344551710 1995-01-01 2052.143032844910 1996-01-01 2215.934914762650 1997-01-01 2299.151057245550 1998-01-01 2169.789212894570 1999-01-01 2313.789971421500 2000-01-01 2588.742902784790 2001-01-01 2495.366312025670 2002-01-01 2462.791441608020 2003-01-01 2721.615720839460 2004-01-01 3117.660805991450 2005-01-01 3745.790930762120 2006-01-01 4336.718583382570 2007-01-01 4937.598216387540 2008-01-01 6115.243746674770 2009-01-01 5158.250505500750 2010-01-01 5917.245723873730 2011-01-01 6854.844526023160 2012-01-01 7463.399722510330 2013-01-01 7508.573301277360 2014-01-01 7452.814676505020 2015-01-01 6413.377161179300 2016-01-01 6151.180926852210 2017-01-01 6251.141575119800