Year	current US$
1998	9999.99977648258
2000	9999.99977648258
2009	19999.9995529652
2015	50000.0007450581
2016	59999.9986588955
2017	70000.0002980232
2018	39999.9991059303
2019	0
2020	9999.99977648258
2021	59999.9986588955