Year	US Dollars
1990	-544125000
1991	-33333333.33333
1992	-278125000
1993	-155037878.78788
1994	-106013986.01399
1995	-214135802.46914
1996	-471870972.78088
1997	-139720581.88103
1998	-354585203.30528
1999	-184781355.30244
2000	-78554483.49861
2001	-4541279.19578
2002	-60340401.41717
2003	-126089105.28628
2004	-192489979.60762
2005	-454478954.83739
2006	-1057393114.81861
2007	-1187633822.2171
2008	-2005003472.35513
2009	-1124792269.2703
2010	-1444262177.38549
2011	-1679773491.18735
2012	-3359871927.15591
2013	-3632780806.8442
2014	-3751141105.71233
2015	-2710163026.02615
2016	-2328221345.90876
2017	-2373120826.17579