Year	current US$
1992	291015472.120028
1993	154937549.979136
1994	246558549.47588
1995	58732052.6353562
1996	66404964.1124315
1997	174581781.883681
1998	-20142425.0905572
1999	56839733.1028274
2000	44184163.8299671