Year	U.S. Dollars
2000-01-01	1911600000
2001-01-01	2118400000
2002-01-01	2376300000
2003-01-01	2807100000
2004-01-01	3576600000
2005-01-01	4900500000
2006-01-01	6384500000
2007-01-01	9206300000
2008-01-01	11662000000
2009-01-01	8647900000
2010-01-01	9260300000
2011-01-01	10142100000
2012-01-01	10619300000
2013-01-01	11121500000
2014-01-01	11609500000
2015-01-01	10553300000
2016-01-01	10572300000
2017-01-01	11547900000
2018-01-01	12030700000
2019-01-01	12696000000