Year	current US$
2006	229999.99672174398
2007	60000.000521540685
2008	9999.99977648258
2011	39999.999105930365
2013	49999.9988824129
2014	89999.99798834321
2015	120000.00104308115
2016	129999.99895691877
2017	139999.9987334013
2018	109999.99940395361
2019	69999.99843537807
2020	319999.99657273287
2021	369999.98986721004
2022	369999.9935925007