Year	U.S. Dollars
2000-01-01	1382500000
2001-01-01	1580900000
2002-01-01	1769200000
2003-01-01	1986300000
2004-01-01	2245100000
2005-01-01	2476600000
2006-01-01	2093800000
2007-01-01	1690000000
2008-01-01	1816100000
2009-01-01	1370200000
2010-01-01	1565600000
2011-01-01	1317100000
2012-01-01	1689400000
2013-01-01	1611500000
2014-01-01	1461100000
2015-01-01	1003000000
2016-01-01	864900000
2017-01-01	933100000
2018-01-01	1004500000
2019-01-01	1067200000