Year	current US$
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	34590000.3910065
1997	1201429975.50964
1998	1079179946.18416
1999	923710021.972656
2000	822780000.209808
2001	190270005.941391
2002	778399994.850159
2003	472309989.929199
2004	510220006.465912