Year	current US$
1967	50000.0007450581
1968	920000.016689301
1969	449999.988079071
1970	3279999.97138977
1971	5320000.17166138
1972	519999.980926514
1973	5280000.20980835
1974	4130000.11444092
1975	4769999.98092651
1980	1279999.97138977
1981	18290000.915527303
1982	6210000.03814697
1983	70000.0002980232
1984	170000.00178813902
1985	-1549999.95231628
1986	-1279999.97138977
1987	-810000.002384186
1988	-910000.026226044
1989	-1769999.98092651
1990	1639999.98569489
1991	140000.000596046
1992	-230000.004172325
1993	159999.99642372102
1994	300000.011920929
1995	319999.99284744303
1996	4579999.92370605
1997	-1220000.02861023
1998	-1309999.9427795399
1999	70000.0002980232
2000	5130000.11444092
2001	-9999.99977648258
2002	1120000.00476837
2003	-2740000.00953674
2004	-2400000.09536743
2005	-2420000.07629395
2006	-2250000
2007	-1730000.01907349
2008	-2319999.9332428
2009	-2299999.95231628
2010	-2619999.8855590797
2011	-2039999.96185303
2012	109999.999403954
2013	2440000.05722046
2014	409999.99642372096
2015	18829999.9237061
2016	-2210000.03814697
2017	230000.004172325
2018	-660000.026226044
2019	-2609999.89509583
2020	230000.004172325
2021	150000.005960464
2022	0