Year	current US$
1990	620000.004768372
1991	1059999.9427795399
1992	750000
1993	759999.990463257
1994	1080000.04291534
1995	1029999.97138977
1996	1620000.00476837
1997	800000.011920929
1998	1190000.0572204601
1999	1100000.02384186
2000	509999.99046325695
2001	1139999.98569489
2002	769999.980926514
2003	949999.988079071
2004	660000.026226044