Year	Current U.S. Dollars
2000-01-01	144769900
2001-01-01	155441800
2002-01-01	161958700
2003-01-01	152771900
2004-01-01	164166000
2005-01-01	184683500
2006-01-01	188044800
2007-01-01	193119700
2008-01-01	196845300
2009-01-01	182679900
2010-01-01	182843800
2011-01-01	193208100
2012-01-01	214597500
2013-01-01	225269300
2014-01-01	245560300
2015-01-01	293082900
2016-01-01	302699800
2017-01-01	291544300