Year	U.S. Dollars
2002-01-01	605100000
2003-01-01	974100000
2004-01-01	1015300000
2005-01-01	1650900000
2006-01-01	1722100000
2007-01-01	1704800000
2008-01-01	1765400000
2009-01-01	2118300000
2010-01-01	2550400000
2011-01-01	3045300000
2012-01-01	2315900000
2013-01-01	1386400000
2014-01-01	1978600000
2015-01-01	2350900000
2016-01-01	1135200000
2017-01-01	1034400000
2018-01-01	1178800000
2019-01-01	1326500000