Year	current US$
1967	59999.9986588955
1968	9999.99977648258
1980	39999.9991059303
1981	39999.9991059303
1982	19999.9995529652
1983	9999.99977648258
1984	9999.99977648258
1993	9999.99977648258
1995	19999.9995529652
1996	9999.99977648258
1997	9999.99977648258
1998	9999.99977648258
1999	9999.99977648258
2000	9999.99977648258
2001	9999.99977648258
2002	9999.99977648258