Year	current US$
1977	19999.9995529652
1978	189999.99761581398
1979	11390000.3433228
1980	2450000.04768372
1981	2269999.98092651
1982	639999.985694885
1983	1059999.9427795399
1984	759999.990463257
1985	1120000.00476837
1986	1009999.99046326
1987	779999.971389771
1988	19999.9995529652
1989	1059999.9427795399
1990	920000.016689301
1991	289999.99165535
1992	1409999.9666214
1993	150000.005960464
1994	-29999.999329447703
1995	19999.9995529652
1996	250000
1997	-360000.01430511504
1998	-600000.023841858
1999	-800000.011920929
2000	-730000.019073486
2001	-720000.028610229
2002	-1149999.97615814
2003	-930000.007152557
2004	-1009999.99046326
2005	-1039999.96185303
2006	-519999.980926514
2007	-1710000.03814697
2008	9999.99977648258
2013	9999.99977648258
2015	9999.99977648258
2016	109999.999403954
2017	29999.999329447703
2018	39999.9991059303
2019	300000.011920929
2020	159999.99642372102
2021	50000.0007450581
2022	50000.0007450581