Year	current US$
1998	159999.99642372102
1999	59999.9986588955
2000	289999.99165535
2001	150000.005960464
2002	239999.994635582
2006	50000.0007450581
2007	19999.9995529652
2008	19999.9995529652
2012	9999.99977648258
2013	9999.99977648258
2014	19999.9995529652
2015	19999.9995529652
2016	39999.9991059303
2017	29999.999329447703
2018	-50000.0007450581
2019	-50000.0007450581
2020	-59999.9986588955
2021	29999.999329447703
2022	409999.99642372096