Year	U.S. Dollars
2000-01-01	87200000
2001-01-01	45100000
2002-01-01	45400000
2003-01-01	54700000
2004-01-01	70000000
2005-01-01	91000000
2006-01-01	111300000
2007-01-01	85500000
2008-01-01	174400000
2009-01-01	271200000
2010-01-01	357700000
2011-01-01	501500000
2012-01-01	648800000
2013-01-01	477200000
2014-01-01	510800000
2015-01-01	494300000
2016-01-01	652800000
2017-01-01	1292400000
2018-01-01	1425800000
2019-01-01	1580000000