Year	current US$
1975	9999.99977648258
1977	389999.98569488496
1978	460000.00834465
1979	689999.997615814
1980	430000.00715255697
1981	750000
1982	899999.976158142
1983	129999.995231628
1984	660000.026226044
1985	509999.99046325695
1986	699999.988079071
1987	980000.019073486
1988	1480000.01907349
1989	2009999.9904632599
1990	1049999.95231628
1991	1100000.02384186
1992	860000.014305115
1993	620000.004768372
1994	449999.988079071
1995	409999.99642372096
1996	720000.028610229
1997	759999.990463257
1998	430000.00715255697
1999	250000
2000	100000.00149011599
2001	19999.9995529652
2002	9999.99977648258
2005	9999.99977648258
2006	50000.0007450581
2011	879999.995231628
2012	509999.99046325695
2013	1820000.05245209
2014	740000.009536743
2015	740000.009536743
2016	270000.010728836
2017	1279999.97138977