Year Current U.S. Dollars 1960-01-01 282.840991143087 1961-01-01 288.557382253394 1962-01-01 323.110821655188 1963-01-01 347.263616343507 1964-01-01 347.720443996588 1965-01-01 361.816358749551 1966-01-01 397.177890634557 1967-01-01 419.436018933695 1968-01-01 439.675288104518 1969-01-01 469.814500060123 1970-01-01 507.153659031381 1971-01-01 556.477230552277 1972-01-01 625.449311937688 1973-01-01 769.082898953483 1974-01-01 988.811634225425 1975-01-01 1131.252631933360 1976-01-01 1248.351714729700 1977-01-01 1328.904497457540 1978-01-01 1491.655375926050 1979-01-01 1724.198227576840 1980-01-01 1996.986011894460 1981-01-01 2281.181980078210 1982-01-01 2062.894896889000 1983-01-01 1705.321842802520 1984-01-01 1706.219323603890 1985-01-01 1707.054063658630 1986-01-01 1639.805345274430 1987-01-01 1693.672092219700 1988-01-01 1911.473078376030 1989-01-01 2216.950426006300 1990-01-01 2408.004451849360 1991-01-01 2897.212030320260 1992-01-01 2511.141057763710 1993-01-01 2922.146984439730 1994-01-01 3349.594680340020 1995-01-01 3516.735912576060 1996-01-01 3767.465751394090 1997-01-01 4079.371294265240 1998-01-01 4032.144420690810 1999-01-01 3513.782803840030 2000-01-01 3908.467589018960 2001-01-01 3780.143928331250 2002-01-01 3615.266975226850 2003-01-01 3571.883932347170 2004-01-01 4017.813774336610 2005-01-01 4824.649066834640 2006-01-01 5590.351495189670 2007-01-01 6521.577319718160 2008-01-01 7487.204640742840 2009-01-01 6935.910498864990 2010-01-01 8525.513760331420 2011-01-01 9499.657136350350 2012-01-01 9422.759321957380 2013-01-01 9532.871586866080 2014-01-01 9714.208187932100 2015-01-01 7866.219304020760 2016-01-01 7583.379431061600 2017-01-01 8313.226892444900