Year	current US$
2006	19999.9995529652
2007	50000.0007450581
2008	19999.9995529652
2013	9999.99977648258
2014	29999.999329447703
2017	29999.999329447703
2018	19999.9995529652
2019	39999.9991059303
2020	29999.999329447703
2021	59999.9986588955
2022	59999.9986588955