Year	constant 2021 US$
1991	20040000.915527303
1992	139399993.89648402
1993	64379997.253418
1994	62340000.1525879
1995	72830001.8310547
1996	81709997.65396124
1997	157379997.19381326
1998	184420003.56316537
1999	213570003.50952142
2000	200019999.7425084
2001	200960000.99182177
2002	142699996.8290329
2003	146300003.29017606
2004	237450006.30617166
2021	50000.0007450581