Year	current US$
1985	1000000
1986	3000000
1987	2000000
1988	1000000
1998	230000.004172325
1999	409999.99642372096
2000	-50000.0007450581
2001	310000.002384186
2002	-59999.9986588955
2003	-170000.00178813902
2004	-180000.00715255702
2005	-170000.00178813902
2006	-189999.99761581398
2007	-189999.99761581398
2008	-200000.00298023198
2009	-180000.00715255702
2010	109999.999403954
2011	200000.00298023198
2012	159999.99642372102
2013	119999.997317791
2015	-589999.973773956
2016	-239999.994635582
2017	9999.99977648258
2018	-79999.9982118607
2020	50000.0007450581
2021	-39999.9991059303