Year	current US$
1990	39999.9991059303
1991	70000.0002980232
1992	100000.00149011599
1993	209999.993443489
1994	270000.010728836
1995	639999.985694885
1996	629999.995231628
1997	610000.014305115
1998	670000.016689301
1999	469999.998807907
2000	600000.023841858
2001	589999.973773956
2002	620000.004768372
2003	540000.021457672
2004	740000.009536743