Year	current US$
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	56128585.48675147
2007	114025500.91074681
2008	-40801457.19489982
2009	120582877.95992714
2010	-58278942.688852