Year Current U.S. Dollars 1965-01-01 101.258693092966 1966-01-01 105.557345021536 1967-01-01 162.323339038911 1968-01-01 277.907187360649 1969-01-01 342.475010219240 1970-01-01 354.077209208950 1971-01-01 401.897781499445 1972-01-01 472.521601330039 1973-01-01 598.561733818256 1974-01-01 1954.892435745470 1975-01-01 2377.091380187030 1976-01-01 2760.526605784670 1977-01-01 2803.382614875830 1978-01-01 2653.274002413930 1979-01-01 3419.281381858660 1980-01-01 5181.799285969880 1981-01-01 5947.236985606180 1982-01-01 5855.867794091770 1983-01-01 5828.050235062810 1984-01-01 6164.145277687790 1985-01-01 6677.380581666380 1986-01-01 4691.194350002660 1987-01-01 4822.122780016400 1988-01-01 4997.399384047010 1989-01-01 5382.717068790600 1990-01-01 6448.131243187190 1991-01-01 5988.835210135450 1992-01-01 6278.636661800050 1993-01-01 6029.169254146960 1994-01-01 6013.166676610530 1995-01-01 6261.719017128960 1996-01-01 6830.596668880690 1997-01-01 7039.577430865520 1998-01-01 6254.953410808140 1999-01-01 6967.059664463780 2000-01-01 8601.185905793760 2001-01-01 8476.610510989210 2002-01-01 8629.101774140890 2003-01-01 9069.810206054660 2004-01-01 10129.288862842500 2005-01-01 12376.979358791600 2006-01-01 14408.050496276500 2007-01-01 15805.132261793400 2008-01-01 22075.035356645500 2009-01-01 16784.346160604900 2010-01-01 19281.000808103800 2011-01-01 20986.084956321900 2012-01-01 22134.801371231400 2013-01-01 21268.836258221300 2014-01-01 20469.138652437300 2015-01-01 16406.711618253300 2016-01-01 15102.382305353400 2017-01-01 15668.366627217900