Year	current US$
1978	29999.999329447703
1979	39999.9991059303
1980	59999.9986588955
1983	219999.998807907
1984	250000
1985	90000.0035762787
1986	280000.001192093
1987	50000.0007450581
1988	300000.011920929
1989	159999.99642372102
1990	1269999.98092651
1991	1389999.98569489
1992	959999.978542328
1993	720000.028610229
1994	920000.016689301
1995	829999.983310699
1996	579999.983310699
1997	300000.011920929
1998	430000.00715255697
1999	239999.994635582
2000	159999.99642372102
2001	39999.9991059303
2002	-9999.99977648258
2003	7369999.88555908
2004	19999.9995529652
2005	9999.99977648258
2006	2220000.02861023
2007	6429999.82833862
2008	29999.999329447703
2009	9999.99977648258
2010	19999.9995529652
2011	79999.9982118607
2012	19999.9995529652
2013	9999.99977648258
2014	0
2015	0
2016	0
2017	29999.999329447703
2020	0