Year	current US$
1992	39999.9991059303
1993	19999.9995529652
1994	389999.98569488496
1995	409999.99642372096
1996	930000.007152557
1997	980000.019073486
1998	860000.014305115
1999	680000.007152557
2000	439999.997615814
2001	469999.998807907
2002	519999.980926514
2003	490000.009536743
2004	709999.978542328