Year	current US$
1970	9999.99977648258
1971	9999.99977648258
1973	29999.999329447703
1974	9999.99977648258
1975	79999.9982118607
1976	50000.0007450581
1977	79999.9982118607
1978	39999.9991059303
1979	19999.9995529652
1980	9999.99977648258
1982	9999.99977648258
1985	19999.9995529652
1996	170000.00178813902
1997	59999.9986588955