Year	current US$
1981	59999.9986588955
1982	170000.00178813902
1983	239999.994635582
1984	310000.002384186
1985	330000.013113022
1986	289999.99165535
1987	980000.019073486
1988	1320000.05245209
1989	1419999.95708466
1990	1250000
1991	1730000.01907349
1992	1409999.9666214
1993	1399999.97615814
1994	990000.009536743
1995	1210000.03814697
1996	1200000.04768372
1997	1639999.98569489
1998	790000.021457672
1999	1330000.04291534
2000	150000.005960464
2001	189999.99761581398
2002	660000.026226044
2003	1330000.04291534
2004	1429999.94754791
2005	2130000.1144409203
2006	1049999.95231628
2007	2039999.96185303
2008	1059999.9427795399
2009	1309999.9427795399
2010	449999.988079071
2011	540000.021457672
2012	449999.988079071
2013	670000.016689301
2014	709999.978542328
2015	250000
2016	159999.99642372102
2017	170000.00178813902