Year	current US$
1963	39999.9991059303
1964	19999.9995529652
1972	680000.007152557
1973	4659999.84741211
1974	600000.023841858
1975	-389999.98569488496
1976	-109999.999403954
1977	-9999.99977648258
1982	340000.00357627904
1983	-19999.9995529652
1984	170000.00178813902
1985	129999.995231628
1987	-50000.0007450581
1988	-50000.0007450581
1990	8850000.38146973
1991	14560000.4196167
1992	9810000.4196167
1993	8640000.34332275
1994	17840000.1525879
1995	6820000.17166138
1996	5269999.98092651
1997	3009999.99046326
1998	1549999.95231628
1999	1700000.04768372
2000	2220000.02861023
2001	2339999.91416931
2002	910000.026226044
2003	769999.980926514
2004	790000.021457672
2005	2440000.05722046
2006	310000.002384186
2007	319999.99284744303
2008	560000.002384186
2009	300000.011920929
2010	1620000.00476837
2011	140000.000596046
2012	209999.993443489
2013	259999.990463257
2014	200000.00298023198
2015	100000.00149011599
2016	140000.000596046
2017	70000.0002980232