Year	U.S. Dollars
2000-01-01	54749000000
2001-01-01	54744500000
2002-01-01	56760700000
2003-01-01	67863600000
2004-01-01	85326800000
2005-01-01	103198400000
2006-01-01	117027300000
2007-01-01	134977100000
2008-01-01	171000700000
2009-01-01	137053500000
2010-01-01	161207300000
2011-01-01	200250600000
2012-01-01	209016200000
2013-01-01	209754800000
2014-01-01	213810000000
2015-01-01	165874100000
2016-01-01	159048900000
2017-01-01	178287000000
2018-01-01	197629300000
2019-01-01	208773500000