Year	current US$
1973	29999.999329447703
1974	50000.0007450581
1975	39999.9991059303
1984	150000.005960464
1985	180000.00715255702
1986	170000.00178813902
1987	200000.00298023198
1988	600000.023841858
1992	9999.99977648258
1995	39999.9991059303
2000	9999.99977648258
2001	9999.99977648258
2004	29999.999329447703
2017	9999.99977648258
2018	19999.9995529652
2019	29999.999329447703
2020	9999.99977648258
2021	9999.99977648258
2022	9999.99977648258