Year 2010 U.S. Dollars 1982-01-01 16449.0454442247 1983-01-01 17419.5550258983 1984-01-01 18129.4079293964 1985-01-01 17515.9797641460 1986-01-01 17923.8007435864 1987-01-01 19648.6165913069 1988-01-01 20351.5769310928 1989-01-01 20602.1967732950 1990-01-01 21532.2194175484 1991-01-01 21700.1293212268 1992-01-01 23996.3940758166 1993-01-01 24703.3654953497 1994-01-01 25235.1629521066 1995-01-01 25544.5806858823 1996-01-01 24928.2828340570 1997-01-01 24363.6028975676 1998-01-01 22780.4611830211 1999-01-01 21777.3297894302 2000-01-01 22524.4861754582 2001-01-01 22640.6745860191 2002-01-01 24072.0612454618 2003-01-01 26220.0959040131 2004-01-01 32438.3950843362 2005-01-01 34246.0225667852 2006-01-01 37959.2097064066 2007-01-01 42537.7752705939 2008-01-01 43081.3532324094 2009-01-01 42739.3282483716 2010-01-01 52374.7944457228 2011-01-01 62279.5172760203 2012-01-01 66449.0391148520 2013-01-01 72183.5294712492 2014-01-01 69749.1566245854 2015-01-01 53580.4908597492 2016-01-01 52144.0288870665 2017-01-01 55936.8030798414