Year	current US$
1983	100000.00149011599
1984	39999.9991059303
1992	-660000.026226044
1997	9999.99977648258
1999	1480000.01907349
2000	579999.983310699
2006	-4099999.90463257
2020	569999.992847443
2021	589999.973773956