Year	Current U.S. Dollars
1999-01-01	44864.1982345478
2000-01-01	40188.8510401312
2001-01-01	41806.2963118756
2002-01-01	44576.2625659129
2003-01-01	56168.0166796035
2004-01-01	65035.9604988093
2005-01-01	66987.4009245707
2006-01-01	70662.0389978710
2007-01-01	83009.1645861791
2008-01-01	90682.5810108060
2009-01-01	76918.1535768746
2010-01-01	68758.3686172330
2011-01-01	65213.6189898105
2012-01-01	56403.9948328626
2013-01-01	57746.1660696878
2014-01-01	56513.5160808722
2015-01-01	47610.9850756554
2016-01-01	47908.5614131786
2017-01-01	49664.0255661766