Year	current US$
1976	39999.9991059303
1977	1100000.02384186
1978	4900000.09536743
1979	9470000.26702881
1980	6400000.09536743
1981	2920000.07629395
1982	4280000.20980835
1983	5079999.92370605
1984	4230000.01907349
1985	5630000.11444092
1986	7599999.90463257
1987	9970000.26702881
1988	8050000.19073486
1989	4409999.84741211
1990	12680000.3051758
1991	6980000.01907349
1992	4000000
1993	3019999.98092651
1994	3059999.94277954
1995	2930000.0667572
1996	3690000.05722046
1997	3380000.1144409203
1998	-200000.00298023198
1999	2160000.08583069
2000	1799999.95231628
2001	2430000.0667572
2002	3230000.01907349
2003	4610000.1335144
2004	5179999.82833862
2005	5010000.228881841
2006	2519999.98092651
2007	670000.016689301
2008	2930000.0667572
2009	2309999.94277954
2010	10479999.5422363
2011	2390000.10490417
2012	1559999.9427795399
2013	4130000.11444092
2014	1350000.02384186
2015	1429999.94754791
2016	-9199999.80926514
2017	2299999.95231628