Year	U.S. Dollars
2000-01-01	11763000000
2001-01-01	12535000000
2002-01-01	11648000000
2003-01-01	14047000000
2004-01-01	17697600000
2005-01-01	25608000000
2006-01-01	33193000000
2007-01-01	35299000000
2008-01-01	45443000000
2009-01-01	39234000000
2010-01-01	38128400000
2011-01-01	43580000000
2012-01-01	48688000000
2013-01-01	48431000000
2014-01-01	49642000000
2015-01-01	50105000000
2016-01-01	50105000000
2017-01-01	58272000000
2018-01-01	63629300000
2019-01-01	67212700000