Year	current US$
2008	150000.005960464
2009	140000.000596046
2010	509999.99046325695
2011	620000.004768372
2012	439999.997615814
2013	310000.002384186
2014	159999.99642372102
2015	119999.997317791
2016	79999.9982118607
2017	70000.0002980232
2018	59999.9986588955
2019	70000.0002980232
2020	50000.0007450581
2021	490000.009536743
2022	259999.990463257