Year	2010 U.S. Dollars
1982-01-01	303.281921274215
1983-01-01	311.085784034155
1984-01-01	300.407707579953
1985-01-01	281.111224632644
1986-01-01	272.749734406773
1987-01-01	273.784008199032
1988-01-01	286.080974851882
1989-01-01	293.740822416891
1990-01-01	302.126140583703
1991-01-01	308.273061657652
1992-01-01	308.343061951077
1993-01-01	323.228964808063
1994-01-01	333.005177836838
1995-01-01	359.764288049361
1996-01-01	380.338695545463
1997-01-01	387.600662155722
1998-01-01	394.247339513486
1999-01-01	412.798523807221
2000-01-01	412.196426574694
2001-01-01	419.335830741963
2002-01-01	440.652223844816
2003-01-01	453.197843345341
2004-01-01	467.480017709698
2005-01-01	480.095407204692
2006-01-01	513.752817524738
2007-01-01	538.039428790693
2008-01-01	565.067921104560
2009-01-01	583.097086781876
2010-01-01	595.206173218473
2011-01-01	629.240517005440
2012-01-01	631.555188878745
2013-01-01	632.486208671780
2014-01-01	642.877385691868
2015-01-01	654.136578519892
2016-01-01	662.434401678693
2017-01-01	666.605835270460