Year	current US$
1969	19999.9995529652
1970	19999.9995529652
1971	29999.999329447703
1972	39999.9991059303
1973	29999.999329447703
1974	79999.9982118607
1975	270000.010728836
1976	409999.99642372096
1977	270000.010728836
1978	170000.00178813902
1979	409999.99642372096
1980	560000.002384186
1981	769999.980926514
1982	800000.011920929
1983	649999.976158142
1984	430000.00715255697
1985	319999.99284744303
1986	330000.013113022
1987	519999.980926514
1988	439999.997615814
1989	230000.004172325
1990	409999.99642372096
1991	439999.997615814
1992	230000.004172325
1993	430000.00715255697
1994	209999.993443489
1995	150000.005960464
1996	150000.005960464
1997	39999.9991059303
1998	9999.99977648258
1999	50000.0007450581
2000	119999.997317791
2001	9999.99977648258
2002	119999.997317791
2003	19999.9995529652
2011	189999.99761581398
2012	124769.560992718
2013	21870.000287890398
2014	177863.523364067
2015	62741.3988113403
2017	37347.4396765232
2018	76891.4520740509