Year	current US$
1968	19999.9995529652
1969	29999.999329447703
1970	29999.999329447703
1971	19999.9995529652
1972	90000.0035762787
1973	79999.9982118607
1974	59999.9986588955
1975	119999.997317791
1976	189999.99761581398
1977	109999.999403954
1978	170000.00178813902
1979	129999.995231628
1980	250000
1981	140000.000596046
1982	239999.994635582
1983	170000.00178813902
1984	129999.995231628
1985	129999.995231628
1986	270000.010728836
1987	119999.997317791
1988	230000.004172325
1989	189999.99761581398
1990	680000.007152557
1991	460000.00834465
1992	889999.985694885
1993	1200000.04768372
1994	930000.007152557
1995	1210000.03814697
1996	800000.011920929
1997	970000.028610229
1998	949999.988079071
1999	629999.995231628
2000	490000.009536743
2001	379999.99523162795
2002	330000.013113022
2003	140000.000596046
2004	100000.00149011599
2005	59999.9986588955
2006	100000.00149011599
2007	79999.9982118607
2008	19999.9995529652
2011	50000.0007450581
2012	50000.0007450581
2013	50000.0007450581
2014	19999.9995529652
2016	0
2017	0