Year	US Dollars
1992	-159972072.52416
1993	-191578061.65379
1994	-291590909.09091
1995	-349968750
1996	-403291015.77863
1997	-385705357.01885
1998	-486519920.12931
1999	-531781272.23217
2000	-342873246.75325
2001	-379559600.336
2002	-386743090.08325
2003	-531922971.0547
2004	-599112181.32366
2005	-535752887.51228
2006	-381053658.53658
2007	-303343089.43089
2008	-299548403.25203
2009	-351191993.49594
2010	-392844169.10569
2011	-228887167.47967