Year	US Dollars
2000-01-01	-301700000
2001-01-01	-221200000
2002-01-01	-147800000
2003-01-01	-173500000
2004-01-01	-78800000
2005-01-01	-123900000
2006-01-01	-152900000
2007-01-01	-677300000
2008-01-01	-1658900000
2009-01-01	-1425500000
2010-01-01	-1261400000
2011-01-01	-1058900000
2012-01-01	-1057900000
2013-01-01	-813000000
2014-01-01	-882900000
2015-01-01	-272400000
2016-01-01	-238100000
2017-01-01	-295100000
2018-01-01	-337300000
2019-01-01	-356600000