Year	current US$
1970	1379999.99523163
1971	529999.971389771
1973	2440000.05722046
1975	1029999.97138977
1976	3950000.04768372
1977	3490000.00953674
1978	1649999.97615814
1979	3369999.8855590797
1980	1200000.04768372
1981	6400000.09536743
1982	2690000.05722046
1983	7760000.228881841
1984	3099999.90463257
1985	4699999.80926514
1986	4210000.03814697
1987	12829999.923706101
1988	15079999.923706101
1989	19680000.3051758
1990	21899999.6185303
1991	35439998.626709
1992	37840000.1525879
1993	31909999.8474121
1994	40669998.1689453
1995	35169998.1689453
1996	37319999.6948242
1997	22020000.4577637
1998	94849998.4741211
1999	40020000.4577637
2000	24100000.3814697
2001	21379999.1607666
2002	16079999.923706101
2003	41650001.5258789
2004	13619999.8855591
2005	42150001.5258789
2006	54049999.237060495
2007	65199996.9482422
2008	52430000.3051758
2009	73800003.0517578
2010	25760000.2288818
2011	23969999.3133545
2012	37080001.8310547
2013	39659999.8474121
2014	33560001.373291
2015	27399999.6185303
2016	40180000.3051758
2017	116959999.084473
2018	70370002.746582
2019	16209999.0844727
2020	20940000.5340576
2021	16379999.160766602
2022	16340000.152587902