Year	current US$
1961	1679999.94754791
1962	5320000.17166138
1964	2349999.90463257
1965	1960000.03814697
1966	860000.014305115
1967	-2529999.97138977
1968	-2769999.98092651
1969	-1149999.97615814
1970	-1110000.01430511
1971	-759999.990463257
1972	209999.993443489
1973	1230000.01907349
1974	4329999.92370605
1975	7440000.05722046
1976	4090000.1525878897
1977	2119999.8855590797
1978	469999.998807907
1979	1159999.9666214
1980	1220000.02861023
1981	310000.002384186
1982	16600000.381469702
1983	8100000.38146973
1984	8159999.847412109
1985	5199999.80926514
1986	1289999.96185303
1987	1259999.9904632599
1988	2569999.9332428
1989	2289999.96185303
1990	2529999.97138977
1991	6480000.01907349
1992	6750000
1993	7960000.03814697
1994	8609999.65667725
1995	7340000.15258789
1996	6269999.98092651
1997	9039999.96185303
1998	11609999.6566772
1999	11579999.923706101
2000	9779999.73297119
2001	12109999.6566772
2002	16620000.839233398
2003	13500000
2004	11050000.1907349
2005	6539999.96185303
2006	1580000.04291534
2007	3049999.95231628
2008	13500000
2009	13069999.6948242
2010	40729999.5422363
2011	49369998.9318848
2012	74230003.3569336
2013	8510000.22888184
2014	16739999.7711182
2015	31909999.8474121
2016	72430000.3051758
2017	27969999.3133545
2018	33290000.915527303
2019	43560001.373291
2020	43509998.3215332
2021	38849998.4741211
2022	17940000.5340576