Year	current US$
1990	42080001.8310547
1991	-4820000.17166138
1992	-5130000.11444092
1993	-4840000.15258789
1994	-12500000
1995	-2170000.07629395
1996	-4139999.8664856004
1997	-8300000.19073486
1998	19999.9995529652
1999	19999.9995529652
2000	9999.99977648258
2003	9999.99977648258
2004	29999.999329447703