Year Current U.S. Dollars 1960-01-01 244.824806483632 1961-01-01 213.485905063471 1962-01-01 171.209809463866 1963-01-01 225.530596175825 1964-01-01 236.610189565084 1965-01-01 248.378143587090 1966-01-01 234.188908344417 1967-01-01 252.418252162025 1968-01-01 280.268288209403 1969-01-01 300.981825658516 1970-01-01 334.259527686164 1971-01-01 339.384049071749 1972-01-01 439.731123857229 1973-01-01 551.434441695138 1974-01-01 813.049902670207 1975-01-01 931.105517329000 1976-01-01 1031.303135168390 1977-01-01 1185.510635348450 1978-01-01 1447.618020534400 1979-01-01 1771.965548606000 1980-01-01 2189.776679510460 1981-01-01 2223.697344072360 1982-01-01 2197.110500179230 1983-01-01 2298.883805490280 1984-01-01 2452.664631756130 1985-01-01 2567.495904560160 1986-01-01 2740.654723752280 1987-01-01 2790.473918889940 1988-01-01 2402.825627147570 1989-01-01 2202.558090133990 1990-01-01 2394.420380151970 1991-01-01 1721.578695778760 1992-01-01 1766.054678414260 1993-01-01 1797.523560511180 1994-01-01 1499.971504573830 1995-01-01 1444.908036094890 1996-01-01 1596.029867310020 1997-01-01 1612.009302889120 1998-01-01 1588.481449166910 1999-01-01 1581.004563980170 2000-01-01 1757.017797159940 2001-01-01 1732.857978883760 2002-01-01 1774.033673015200 2003-01-01 2094.335505725810 2004-01-01 2598.908023466660 2005-01-01 3100.122377586770 2006-01-01 3464.610078702020 2007-01-01 3935.183342859310 2008-01-01 4905.254865762610 2009-01-01 3868.831230409080 2010-01-01 4463.394674889510 2011-01-01 5432.413319781160 2012-01-01 5565.134521048480 2013-01-01 5471.123388787090 2014-01-01 5466.425778415350 2015-01-01 4160.220066718310 2016-01-01 3916.881570886260 2017-01-01 4123.389936507090