Year	current US$
1989	2420000.07629395
1990	3000000
1991	1919999.95708466
1992	4260000.228881841
1993	769999.980926514
1994	2339999.91416931
1995	2569999.9332428
1996	800000.011920929
1997	829999.983310699
1998	9999.99977648258
