Year	US Dollars
2003	-182461253.54828
2004	-174575620.50375
2005	-325318081.00852
2006	-283597901.39235
2007	-507614306.44598
2008	-835075812.55762
2009	-614654255.81525
2010	-1060347433.36712
2011	-1464432730.45616
2012	-677324126.02503
2013	-550682833.8942
2014	-288267260.57906
2015	-224275033.81441
2016	-188243172.33489