Year	current US$
1964	-9999.99977648258
1965	779999.971389771
1966	230000.004172325
1967	2420000.07629395
1969	-119999.997317791
1970	-39999.9991059303
1971	-50000.0007450581
1973	9999.99977648258
1974	19999.9995529652
1976	9999.99977648258
1977	79999.9982118607
1978	189999.99761581398
1979	189999.99761581398
1980	200000.00298023198
1981	209999.993443489
1982	159999.99642372102
1983	140000.000596046
1984	140000.000596046
1985	109999.999403954
1986	119999.997317791
1987	119999.997317791
1988	129999.995231628
1989	300000.011920929
1990	610000.014305115
1991	259999.990463257
1992	680000.007152557
1993	2109999.89509583
1994	1240000.0095367401
1995	910000.026226044
1996	1509999.9904632599
1997	250000
1998	250000
1999	709999.978542328
2000	340000.00357627904
2001	289999.99165535
2002	159999.99642372102
2003	180000.00715255702
2004	109999.999403954
2005	129999.995231628
2006	79999.9982118607
2007	180000.00715255702
2008	209999.993443489
2009	189999.99761581398
2010	430000.00715255697
2011	230000.004172325
2012	289999.99165535
2013	300000.011920929
2014	469999.998807907
2015	270000.010728836
2016	280000.001192093
2017	400000.00596046395