Year	current US$
1980	19999.9995529652
1982	19999.9995529652
1983	9999.99977648258
1991	9999.99977648258
2007	19999.9995529652
2009	70000.0002980232
2011	19999.9995529652
2019	0
2020	19999.9995529652
2021	19999.9995529652
2022	9999.99977648258