Year	2010 U.S. Dollars
1970-01-01	15656.4729016411
1971-01-01	17401.3188157865
1972-01-01	18055.4618147360
1973-01-01	19008.8279096770
1974-01-01	19890.5550639839
1975-01-01	19978.7347347420
1976-01-01	21126.7150112384
1977-01-01	23130.1993274424
1978-01-01	24621.5604407947
1979-01-01	25610.1031611625
1980-01-01	27499.3834842896
1981-01-01	27248.0986152271
1982-01-01	25790.9724005255
1983-01-01	26375.3367208026
1984-01-01	24724.4610195573
1985-01-01	25387.6140366334
1986-01-01	27036.9907089140
1987-01-01	28211.9211584797
1988-01-01	29412.2423364339
1989-01-01	31087.3204227791
1990-01-01	27295.9523444254
1991-01-01	27314.1071940880
1992-01-01	26011.6275626403
1993-01-01	24748.5336784320
1994-01-01	26073.0270997514
1995-01-01	26899.8018575843
1996-01-01	27262.4139043324
1997-01-01	27613.4806965940
1998-01-01	29702.6889721250
1999-01-01	30111.9577032899
2000-01-01	32193.0025213682
2001-01-01	32514.7598494986
2002-01-01	32051.6656643680
2003-01-01	33380.2099332889
2004-01-01	35645.6010702786
2005-01-01	37352.8925366913
2006-01-01	39539.9157055674
2007-01-01	40626.7814272793
2008-01-01	43305.7027608534
2009-01-01	43684.5871997960
2010-01-01	43988.3324931946
2011-01-01	43781.4625641366
2012-01-01	44454.3735497748
2013-01-01	43954.0216096558
2014-01-01	46443.7634176959
2015-01-01	46738.0622579051
2016-01-01	50255.1169982346