Year	current US$
1974	9999.99977648258
1979	10869999.8855591
1980	60849998.4741211
1981	16559999.465942401
1982	8430000.30517578
1983	17340000.1525879
1984	1679999.94754791
1985	19999.9995529652
1990	4780000.20980835
1991	9050000.19073486
1992	23180000.3051758
1993	20090000.1525879
1994	10029999.7329712
1995	27739999.7711182
1996	2369999.8855590797
1997	2150000.09536743
1998	3599999.90463257
1999	2339999.91416931
2000	10189999.5803833
2001	8390000.34332275
2002	3190000.05722046
2003	3069999.9332428
2004	3119999.8855590797
2005	1230000.01907349
2006	2690000.05722046
2007	4050000.1907348596
2008	5619999.88555908
2009	2720000.02861023
2010	4090000.1525878897
2011	4300000.19073486
2012	5259581.08901978
2013	3864530.08651733
2014	2204440.11688232
2015	3930201.05361938
2016	3727433.9199066204
2017	701489.984989166
2018	603599.548339844
2019	508949.995040894
2020	63310.04947423929
2021	66760.0035667419
2022	283928.126096725
