Year	current US$
1983	620000.004768372
1985	140000.000596046
1988	90000.0035762787
1989	90000.0035762787
1990	19999.9995529652
1993	59999.9986588955
1994	0
1995	59999.9986588955
2007	29999.999329447703
2010	9999.99977648258
2011	50000.0007450581
2012	430000.00715255697
2013	469999.998807907
2014	200000.00298023198
2015	270000.010728836
2016	59999.9986588955
2017	19999.9995529652
2018	100000.00149011599
2019	39999.9991059303
2020	19999.9995529652
2021	29999.999329447703
2022	29999.999329447703