Year	current US$
2007	9999.99977648258
2009	59999.9986588955
2010	19999.9995529652
2011	29999.999329447703
2014	19999.9995529652
2015	29999.999329447703
2016	19999.9995529652
2017	19999.9995529652
2018	29999.999329447703
2019	129999.995231628
2020	219999.998807907
2021	300000.011920929
2022	409999.99642372096