Year	current US$
1990	860000.014305115
1991	1090000.0333786
1992	970000.028610229
1993	720000.028610229
1994	500000
1995	680000.007152557
1996	629999.995231628
1997	509999.99046325695
1998	870000.004768372
1999	1370000.00476837
2000	740000.009536743
2001	790000.021457672
2002	879999.995231628
2003	1419999.95708466
2004	920000.016689301