Year	current US$
1960	6000000
1961	0
1962	0
1963	0
1964	6099999.90463257
1965	0
1966	7700000.002980229
1967	7899999.9165535
1968	2900000.09536743
1969	3500000
1970	2700000.04768372
1971	6699999.80926514
1972	18970000.2670288
1973	1200000.04768372
1974	289999.961853027
1975	-3050000.07152557
1976	799999.974668026
1977	-2100000.0238418602
1978	-1200000.04768372
1979	-3070000.00029802
1980	33160000.7638335
1981	19490000.3671646
1982	23989999.7711182
1983	18739999.055862397
1984	6490000.2479553195
1985	3000000.05960464
1986	11059999.704361
1987	13759999.9904633
1988	23160000.8010864
1989	40739999.294281
1990	69400000.0953674
1991	112139997.243881
1992	107610000.796616
1993	126370001.753792
1994	105000000.62398599
1995	65540001.4016777
1996	107240000.683814
1997	81390000.5314499
1998	225829997.310415
1999	264670001.734048
2000	123540000.159293
2001	74810000.2203137
2002	212520000.21562
2003	384320002.844557
2004	202459996.92753
2005	117319999.03917299
2006	221290001.04405
2007	213589996.4571
2008	425959989.100695
2009	273719993.710518
2010	173680000.126362
2011	333670005.310327
2012	54360000.513494
2013	55859998.3304739
2014	275850007.936358
2015	17629998.652264502
2016	240869999.76635
2017	508750009.192154
2018	372720008.611679
2019	469720008.969307
2020	775359993.390739
2021	459809993.583709
2022	1394570014.1787539