Year	current US$
1968	9999.99977648258
1971	29999.999329447703
1975	9999.99977648258
1976	39999.9991059303
1977	29999.999329447703
1978	39999.9991059303
1979	29999.999329447703
1980	9999.99977648258
1983	39999.9991059303
1985	90000.0035762787
1986	29999.999329447703
1987	39999.9991059303
1988	9999.99977648258
1989	29999.999329447703
1990	9999.99977648258
1992	9999.99977648258
1995	9999.99977648258
1998	9999.99977648258