Year	U.S. Dollars
2003-01-01	1140400000
2004-01-01	6927600000
2005-01-01	12104400000
2006-01-01	19741900000
2007-01-01	31681000000
2008-01-01	50449400000
2009-01-01	44858800000
2010-01-01	50928300000
2011-01-01	61234800000
2012-01-01	69302100000
2013-01-01	77823200000
2014-01-01	66716600000
2015-01-01	53709800000
2016-01-01	45449400000
2017-01-01	48069400000
2018-01-01	59362600000
2019-01-01	64422300000