Year	current US$
1991	39999.999105930285
1992	69999.99843537807
1993	109999.99940395367
1994	200000.0011175871
1995	290000.0065565103
1996	299999.9988824129
1997	219999.998807907
1998	59999.998658895485
1999	49999.99888241295
2000	89999.99985098848
2001	49999.99888241295
2002	289999.99724328506
2003	150000.00223517418
2004	240000.000223517