Year	US Dollars
1994	-50729783.03748
1995	-50541764.37293
1996	-47234247.23425
1997	-52550646.81474
1998	-47970640.60172
1999	-61091115.11031
2000	-56030636.02015
2001	-108451707.03239
2002	-109498804.82677
2003	-68460488.91416
2004	-69301070.75373
2005	-97052174.23187
2006	-120153579.05017
2007	-138784991.87952
2008	-122665630.7777
2009	-121388420.46093
2010	-153716959.57128
2011	-150805436.87694
2012	-198636288.57019
2013	-164480021.00748
2014	-198043313.52794
2015	-170600057.75339
2016	-161316907.06661