Year	current US$
1973	9999.99977648258
1974	9999.99977648258
1975	9999.99977648258
1976	19999.9995529652
1977	9999.99977648258
1978	19999.9995529652
1983	9999.99977648258
1985	9999.99977648258
1986	19999.9995529652
1987	19999.9995529652
1988	19999.9995529652
2019	50000.0007450581
2020	39999.9991059303