Year	current US$
1977	50000.0007450581
1980	389999.98569488496
1981	119999.997317791
1982	50000.0007450581
1983	29999.999329447703
1984	180000.00715255702
1985	209999.993443489
1986	59999.9986588955
1987	79999.9982118607
1988	109999.999403954
1989	129999.995231628
1990	90000.0035762787
1991	100000.00149011599
1992	100000.00149011599
1993	59999.9986588955
1994	90000.0035762787
1995	100000.00149011599
1996	270000.010728836
1997	280000.001192093
1998	259999.990463257
1999	230000.004172325
2000	109999.999403954
2001	129999.995231628
2002	90000.0035762787
2003	189999.99761581398
2004	340000.00357627904
2005	449999.988079071
2006	550000.011920929
2007	779999.971389771
2008	819999.992847443
2009	750000
2010	810000.002384186
2011	779999.971389771
2012	794211.983680725
2013	915656.983852386
2014	600130.081176758
2015	658038.735389709
2016	599286.1986160281
2017	553823.709487915