Year Current U.S. Dollars 1980-01-01 268.103520907538 1981-01-01 273.165931336459 1982-01-01 282.041914530386 1983-01-01 327.915053834531 1984-01-01 598.533755113558 1985-01-01 670.517512813769 1986-01-01 722.673996354079 1987-01-01 695.481481642856 1988-01-01 803.346967910565 1989-01-01 875.068206699548 1990-01-01 963.595659949385 1991-01-01 1064.043684475250 1992-01-01 1206.034796401070 1993-01-01 1329.406795935670 1994-01-01 1432.516546066220 1995-01-01 1570.315705049010 1996-01-01 1736.735195149060 1997-01-01 1923.086188171150 1998-01-01 2006.256909656810 1999-01-01 2146.718036792220 2000-01-01 2226.721729073780 2001-01-01 3031.699939594850 2002-01-01 3047.591908704530 2003-01-01 3481.435214330150 2004-01-01 3952.121983551480 2005-01-01 3648.780054636240 2006-01-01 4811.667467872840 2007-01-01 5559.506831724050 2008-01-01 6583.451249659470 2009-01-01 6615.763777817270 2010-01-01 7100.405899101810 2011-01-01 7395.687799816260 2012-01-01 7473.195629491080 2013-01-01 8291.485294941970 2014-01-01 9056.653439798780 2015-01-01 9575.770700448530 2016-01-01 9871.906911070880 2017-01-01 10535.794704711900