Year	current US$
1970	2449999.8949468154
1971	2550000.047311191
1972	939999.9845772979
1973	6209999.788552519
1974	6999999.903142448
1975	6480000.270530584
1976	6219999.812543392
1977	5960000.049322842
1978	9720000.207424171
1979	14880000.211298471
1980	12819999.7767806
1981	9690000.24348498
1982	11020000.152289866
1983	11770000.241696833
1984	22930000.055581346
1985	8229999.892413622
1986	14039999.760687353
1987	19030000.23774802
1988	17010000.05565583
1989	13170000.3053993
1990	18910000.03181397
1991	36639999.281615056
1992	33489999.435841992
1993	27000000.33527613
1994	25080000.23104251
1995	12759999.450296162
1996	7140000.080689793
1997	10849999.813362963
1998	30220000.429078955
1999	23960000.326856952
2000	30299999.918788668
2001	47639999.749138944
2002	42720000.79229477
2003	39819999.81030821
2004	43150000.279769264
2005	191359994.26059434
2006	281949994.5081775
2007	95620002.1579862
2008	21260000.52690507
2009	70999998.4800816
2010	85379998.49393967
2011	41530000.27127564
2012	12089999.673888095
2013	27560000.557452455
2014	25510000.536218252
2015	18499999.69638881
2016	33989999.18438494
2017	39569999.46013086
2018	27209999.846294563
2019	27969999.68960879
2020	19919999.68886376
2021	25020000.660792015
2022	24880000.034347214