Year	current US$
1968	9999.99977648258
1969	29999.999329447703
1970	29999.999329447703
1971	29999.999329447703
1972	29999.999329447703
1973	140000.000596046
1974	39999.9991059303
1975	19999.9995529652
1976	50000.0007450581
1977	109999.999403954
1978	129999.995231628
1979	189999.99761581398
1980	9999.99977648258
1981	50000.0007450581
1982	39999.9991059303
1983	39999.9991059303
1984	19999.9995529652
1985	9999.99977648258
1986	29999.999329447703
1987	9999.99977648258
1988	9999.99977648258
1991	9999.99977648258
1992	29999.999329447703
1995	600000.023841858
1996	-479999.989271164
1997	-29999.999329447703
2018	19999.9995529652
2019	9999.99977648258
2020	29999.999329447703