Year	current US$
1970	300000.011920929
1971	1399999.97615814
1972	250000
1973	200000.00298023198
1974	9010000.22888184
1975	3509999.99046326
1976	19440000.5340576
1977	2599999.90463257
1978	3119999.8855590797
1979	20750000
1980	19700000.017881393
1981	11289999.693632107
1982	9799999.892711638
1983	8499999.623745676
1984	8459999.818354843
1985	6280000.109225514
1986	7690000.098198657
1987	11469999.551773071
1988	15369999.885559108
1989	8030000.2992153205
1990	12469999.49216843
1991	12619999.587535882
1992	11630000.472068787
1993	9949999.958276749
1994	13589999.77447091
1995	11669999.727979312
1996	11089999.733492732
1997	9369999.879971141
1998	9529999.889433382
1999	7320000.080391759
2000	9290000.094100835
2001	6150000.009685755
2002	6549999.967217448
2003	4819999.847561126
2004	7030000.261962419
2005	4449999.9564141
2006	6379999.827593572
2007	11649999.976158112
2008	12029999.725520592
2009	5369999.8613447
2010	4549999.972805379
2011	3700000.07748604
2012	3739999.9089539004
2013	4509999.919682743
2014	4750000.0279396735
2015	2039999.9469518655
2016	3200000.0625848817
2017	2810000.0899285055
2018	5059999.771416183
2019	3630000.041797758
2020	4550000.060349707
2021	5680000.046268106
2022	5280000.090599056