Year	current US$
2007	29999.999329447703
2008	9999.99977648258
2012	19999.9995529652
2013	19999.9995529652
2014	29999.999329447703
2015	50000.0007450581
2016	19999.9995529652
2017	39999.9991059303
2018	39999.9991059303
2019	29999.999329447703
2020	19999.9995529652
2021	29999.999329447703
2022	29999.999329447703