Year	current US$
1980	759999.990463257
1981	180000.00715255702
1982	19999.9995529652
1983	379999.99523162795
1984	239999.994635582
1985	90000.0035762787
1986	9999.99977648258
1987	9999.99977648258
1988	19999.9995529652
1990	109999.999403954
1992	19999.9995529652
1997	39999.9991059303
1998	50000.0007450581
1999	50000.0007450581
2000	39999.9991059303
2002	9999.99977648258
2016	50000.0007450581
2017	349999.99403953605
2022	19999.9995529652