Year	current US$
2008	50000.0007450581
2014	19999.9995529652
2015	9999.99977648258
2016	29999.999329447703
2017	19999.9995529652
2018	109999.999403954
2019	280000.001192093
2020	209999.993443489
2021	769999.980926514
2022	860000.014305115