Year	current US$
1984	19999.9995529652
1987	340000.00357627904
1988	29999.999329447703
1989	140000.000596046
1990	90000.0035762787
1996	19999.9995529652
1997	9999.99977648258
2021	39999.9991059303
2022	39999.9991059303