Year	U.S. Dollars
2000-01-01	885000000
2001-01-01	615900000
2002-01-01	477800000
2003-01-01	515100000
2004-01-01	596800000
2005-01-01	723300000
2006-01-01	736300000
2007-01-01	1066300000
2008-01-01	1165000000
2009-01-01	1133300000
2010-01-01	1367300000
2011-01-01	1799400000
2012-01-01	1871100000
2013-01-01	2071800000
2014-01-01	2172300000
2015-01-01	2338100000
2016-01-01	2432400000
2017-01-01	2519000000
2018-01-01	2781700000
2019-01-01	2862000000