Year	current US$
1970	750000.0279396777
1971	359999.9900907277
1972	730000.0023096805
1973	949999.9731779096
1974	339999.99612569774
1975	2240000.009536745
1976	2540000.0661611534
1977	369999.9973177907
1978	740000.0076740972
1979	3410000.0131875216
1980	11449999.59133565
1981	22529999.803751756
1982	12710000.157356266
1983	7119999.8892843705
1984	12070000.290870674
1985	8470000.142231587
1986	10340000.033378601
1987	4699999.92847443
1988	5950000.070035453
1989	7569999.990984799
1990	28019999.884068977
1991	37979999.495670155
1992	48019999.35507777
1993	60909999.400377296
1994	53980001.39743088
1995	63620000.518858485
1996	61290000.140666924
1997	56329999.37236309
1998	47979999.84398481
1999	65999999.66099858
2000	53660000.070929535
2001	63519999.35507779
2002	76219999.61882824
2003	80690000.8674711
2004	60000000.63516197
2005	20009999.83027578
2006	8520000.007003555
2007	17450000.04768371
2008	26479999.762028452
2009	34129999.27625056
2010	21000000.191852454
2011	1010000.0202655802
2012	69412600.91215365
2013	39405630.443245135
2014	59599.9993383884
2015	47130357.909016296
2016	10783524.03640747
2017	15606460.094451912
2018	55187013.96137477
2019	135557199.70166686