Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	209999.993443489
1966	6570000.17166138
1967	22379999.1607666
1968	27100000.3814697
1969	3180000.0667572
1970	4920000.07629395
1971	6360000.1335144
1972	4059999.94277954
1973	1110000.01430511
1974	0
1975	1059999.9427795399
1976	67110000.6103516
1977	37299999.237060495
1978	6550000.19073486
1979	105039997.249842
1980	-2049999.9523162802
1981	23459999.084472697
1982	11060000.4196167
1983	27750000
1984	17350000.3814697
1985	4260000.228881841
1986	72660003.6621094
1987	9260000.40769577
1988	1909999.9666214
1989	-15889999.8664856
1990	-17980000.734329198
1991	807089992.523193
1992	719159998.893738
1993	977780001.163483
1994	1257000004.17233
1995	1146970013.14163
1996	1315949990.60035
1997	1256399991.5123
1998	1514480008.84056
1999	1847110001.0871902
2000	2020690001.01089
2001	1837719993.35289
2002	1639649975.65746
2003	1872110014.55784
2004	2293699992.17987
2005	1145160012.4836
2006	1343779990.43465
2007	1353870014.66751
2008	1592579989.43329
2009	2240160022.97401
2010	1754050004.00543
2011	5554549925.44651
2012	5339920111.98401
2013	4770979978.30808
2014	4877780030.71249
2015	3422250025.03395
2016	4577219885.46848
2017	3492989906.6686597
2018	2580409984.94625
2019	1895839982.03278
2020	3970099985.3611
2021	4586710005.64098
2022	12131550187.468527
