Year	current US$
1981	9999.99977648258
1982	9999.99977648258
1983	29999.999329447703
1987	19999.9995529652
1988	9999.99977648258
1989	9999.99977648258
1995	9999.99977648258
1996	9999.99977648258
1998	0
1999	19999.9995529652
2000	19999.9995529652
2001	29999.999329447703
2002	29999.999329447703
2003	70000.0002980232
2006	9999.99977648258
2021	0