Year	current US$
1992	-122706346.95525058
1993	-114243096.45834927
1994	-159399350.64935073
1995	-221109375
1996	-211949596.48874417
1997	-170966263.42032528
1998	-245811940.6188323
1999	-218223499.083057
2000	-187494587.01298702
2001	-114270267.0297376
2002	-171236479.44712618
2003	-300924967.6337709
2004	-374385428.8304624
2005	-312338868.04568243
2006	-215353190.24390244
2007	-136308598.37398374
2008	-124077541.46341464
2009	-179191505.6910569
2010	-723500364.2276423
2011	-511886640.6504065