Year	current US$
1972	300000.011920929
1973	370000.00476837205
1974	740000.009536743
1975	2049999.9523162802
1976	439999.997615814
1977	1980000.01907349
1978	289999.99165535
1979	409999.99642372096
1980	-100000.00149011599
1981	189999.99761581398
1982	50000.0007450581
1983	-189999.99761581398
1984	-159999.99642372102
1985	-150000.005960464
1986	-189999.99761581398
1987	19999.9995529652
1988	-340000.00357627904
1989	90000.0035762787
1990	90000.0035762787
1991	720000.028610229
1992	550000.011920929
1993	9999.99977648258
1996	9999.99977648258
1998	90000.0035762787
1999	230000.004172325
2000	29999.999329447703
2001	129999.995231628
2002	159999.99642372102
2003	19999.9995529652
2004	500000
2005	100000.00149011599
2006	150000.005960464
2007	9999.99977648258
2008	159999.99642372102
2009	29999.999329447703
2010	9999.99977648258
2013	29999.999329447703
2014	9999.99977648258
2015	9999.99977648258
2016	-29999.999329447703
2018	9999.99977648258