Year	current US$
1991	19999.9995529652
1992	79999.9982118607
1993	70000.0002980232
1994	70000.0002980232
1995	150000.005960464
1996	90000.0035762787
1997	100000.00149011599
1998	19999.9995529652
2000	9999.99977648258
2001	59999.9986588955
2002	9999.99977648258
2003	9999.99977648258
2004	59999.9986588955
2005	129999.995231628
2006	150000.005960464
2007	629999.995231628
2008	170000.00178813902
2009	119999.997317791
2010	280000.001192093
2011	709999.978542328
2012	810000.002384186
2013	330000.013113022
2014	200000.00298023198
2015	319999.99284744303
2016	879999.995231628
2017	720000.028610229
2018	899999.976158142
2019	579999.983310699
2020	2170000.07629395
2021	1750000
2022	409999.99642372096