Year	current US$
1990	243399993.89648402
1991	320750000
1992	258190002.441406
1993	166679992.67578098
1994	154389999.38964802
1995	297850006.10351604
1996	230919998.168945
1997	218419998.168945
1998	366119995.11718804
1999	386390014.64843804
2000	430769989.013672
2001	646580017.089844
2002	418149993.89648396
2003	597729980.46875
2004	910950012.207031