Year	U.S. Dollars
2004-01-01	-11922000000
2005-01-01	-14281000000
2006-01-01	-15215000000
2007-01-01	-19976000000
2008-01-01	-24921000000
2009-01-01	-27065000000
2010-01-01	-30827000000
2011-01-01	-15596000000
2012-01-01	-32586000000
2013-01-01	-33505500000
2014-01-01	-25462404813
2015-01-01	-23537939550