Year	U.S. Dollars
2000-01-01	274100000
2001-01-01	258700000
2002-01-01	255300000
2003-01-01	308300000
2004-01-01	337500000
2005-01-01	390600000
2006-01-01	488800000
2007-01-01	593700000
2008-01-01	703600000
2009-01-01	578300000
2010-01-01	493000000
2011-01-01	674400000
2012-01-01	836300000
2013-01-01	913300000
2014-01-01	1021900000
2015-01-01	1342500000
2016-01-01	1421600000
2017-01-01	1340200000
2018-01-01	1329800000
2019-01-01	1413600000