Year	current US$
1965	19999.9995529652
1968	29999.999329447703
1969	9999.99977648258
1970	39999.9991059303
1971	50000.0007450581
1972	59999.9986588955
1973	79999.9982118607
1974	29999.999329447703
1975	59999.9986588955
1976	50000.0007450581
1977	29999.999329447703
1978	39999.9991059303
1979	119999.997317791
1980	100000.00149011599
1981	29999.999329447703
1982	9999.99977648258
1983	9999.99977648258
1987	19999.9995529652
1989	29999.999329447703
1991	19999.9995529652
1994	19999.9995529652
1996	29999.999329447703
1997	9999.99977648258
1998	19999.9995529652
2004	39999.9991059303