Year	US Dollars
2000-01-01	-1434500000
2001-01-01	796600000
2002-01-01	412400000
2003-01-01	262500000
2004-01-01	-339100000
2005-01-01	-101100000
2006-01-01	-1062000000
2007-01-01	-1969200000
2008-01-01	-6609500000
2009-01-01	-4978800000
2010-01-01	-4077700000
2011-01-01	-7660900000
2012-01-01	-9168000000
2013-01-01	-8133300000
2014-01-01	-6520500000
2015-01-01	-2165400000
2016-01-01	-4508200000
2017-01-01	-4182100000
2018-01-01	-4405100000
2019-01-01	-4552300000