Year	current US$
1980	150000.005960464
1981	90000.0035762787
1983	50000.0007450581
1984	50000.0007450581
1985	50000.0007450581
1986	109999.999403954
1987	1100000.02384186
1989	150000.005960464
1990	370000.00476837205
1991	419999.986886978
1992	379999.99523162795
1993	230000.004172325
1995	170000.00178813902
1996	230000.004172325
1997	200000.00298023198
1998	119999.997317791
1999	129999.995231628
2000	119999.997317791
2001	-19999.9995529652
2002	180000.00715255702
2003	9999.99977648258
2005	19999.9995529652
2006	-9999.99977648258
2007	39999.9991059303
2008	50000.0007450581
2009	-9999.99977648258
2010	-29999.999329447703
2011	219999.998807907
2012	-9999.99977648258
2014	19999.9995529652
2015	9999.99977648258
2016	29999.999329447703
2021	9999.99977648258