Year	current US$
1977	50000.0007450581
1984	19999.9995529652
1986	9999.99977648258
1988	70000.0002980232
1989	9999.99977648258
1990	29999.999329447703
1991	39999.9991059303
1992	19999.9995529652
1993	9999.99977648258
1995	140000.000596046
2010	419999.986886978
2011	899999.976158142
2012	469999.998807907
2013	2509999.99046326
2014	109999.999403954
2015	119999.997317791
2016	59999.9986588955
2017	9079999.92370605
2018	79999.9982118607
2019	50000.0007450581
2022	59999.9986588955