Year	current US$
1980	29999.999329447703
1981	289999.99165535
1982	200000.00298023198
1984	29999.999329447703
1985	209999.993443489
1986	1120000.00476837
1987	2789999.96185303
1988	1299999.95231628
1989	720000.028610229
1990	1059999.9427795399
1991	1440000.0572204601
1992	419999.986886978
1993	750000
1994	1450000.04768372
1995	1679999.94754791
1996	3750000
1997	660000.026226044
1998	1179999.94754791
1999	3619999.8855590797
2000	1289999.96185303
2001	2039999.96185303
2002	3160000.08583069
2003	3890000.10490417
2004	5260000.228881841
2005	2910000.08583069
2006	2410000.08583069
2007	2029999.97138977
2008	2400000.09536743
2009	2160000.08583069
2010	1950000.04768372
2011	1570000.05245209
2012	1860000.01430511
2013	949999.988079071
2014	790000.021457672
2015	529999.971389771
2016	360000.01430511504