Year	current US$
1982	79999.9982118607
1983	79999.9982118607
1987	9999.99977648258
1988	79999.9982118607
1989	119999.997317791
1990	39999.9991059303
1991	39999.9991059303
1992	59999.9986588955
1995	-109999.999403954
2007	9999.99977648258
2008	9999.99977648258
2010	9999.99977648258
2020	19999.9995529652
2021	1149999.97615814
2022	449999.988079071