Year	US Dollars
2000-01-01	366300000
2001-01-01	-1389500000
2002-01-01	-1024300000
2003-01-01	-272600000
2004-01-01	335400000
2005-01-01	-1036000000
2006-01-01	-2000000000
2007-01-01	-8373100000
2008-01-01	6249900000
2009-01-01	-4120900000
2010-01-01	1385300000
2011-01-01	10198700000
2012-01-01	1058100000
2013-01-01	1273600000
2014-01-01	6139600000
2015-01-01	-5134500000
2016-01-01	-8925800000
2017-01-01	-4661800000
2018-01-01	-2463200000
2019-01-01	-2397400000