Year	current US$
1960	239999.994635582
1961	939999.997615814
1962	1350000.02384186
1963	639999.985694885
1964	579999.983310699
1965	879999.995231628
1966	879999.995231628
1967	50000.0007450581
1968	140000.000596046
1969	119999.997317791
1970	280000.001192093
1971	280000.001192093
1972	550000.011920929
1973	509999.99046325695
1974	610000.014305115
1975	740000.009536743
1976	709999.978542328
1977	879999.995231628
1978	870000.004768372
1979	740000.009536743
1980	9999.99977648258