Year	current US$
2001	59999.9986588955
2009	79999.9982118607
2013	400000.00596046395
2015	39999.9991059303
2018	570000.0040233135
2019	210000.00089406967
2020	119999.99918043659
2021	9999.99977648258
2022	19999.9995529652