Year	current US$
1964	9630006363.528633
1965	10105663639.346176
1966	11676647077.206886
1967	11263167865.414894
1968	11572940177.151482
1969	13629070572.51242
1970	17285801348.231018
1971	12172877026.816437
1972	16970181784.849625
1973	22274918308.284454
1974	36017944400.54315
1975	32176731256.593185
1976	43625369434.2043
1977	43561159157.28015
1978	40983280747.94833
1979	48646869135.24945
1980	66969993460.303986
1981	167302829067.17456
1982	147508093240.24542
1983	100509550518.68768
1984	77746548879.07877
1985	93225401484.84418
1986	35954653414.27814
1987	16065792255.614746
1988	11091029489.124695
1989	1957880003.6396484
1990	-8024993186.393188
1991	-6788505572.276001
1992	-12609512317.121338
1993	-1748370050.986084
1994	19774894794.775513
1995	72415210074.08856
1996	116785439407.1955
1997	128281072768.03888
1998	140141774199.14417
1999	-20658807034.994812
2000	-1906132643.1084595
2001	11228944082.861511
2002	42714682509.23468
2003	36893568387.06122
2004	55855755500.570435
2005	103113078151.60388
2006	169683876079.67212
2007	203806377446.1593
2008	274290154391.99
2009	175329548979.9585
2010	252257936113.5852
2011	290303131768.51245
2012	301812893381.99805
2013	335080880245.84717
2014	398450401237.4121
2015	293227084690.2583
2016	216567391936.16138
2017	180269799352.17676
2018	213130756527.73242
2019	267507353309.5857
2020	224242899798.7881
2021	235843019798.70947
2022	260285844133.7854
2023	94861864078.45337