Year	current US$
1993	90000.0035762787
1994	19999.9995529652
2003	39999.9991059303
2004	9999.99977648258
2007	19999.9995529652
2011	9999.99977648258
2012	0
2013	0
2014	0
2016	0
2017	39999.9991059303
2018	29999.999329447703
2019	29999.999329447703
2020	19999.9995529652
2021	9999.99977648258
2022	19999.9995529652