Year	current US$
1960	47419238274.461945
1961	57266758179.58833
1962	64987857541.62556
1963	74379284603.3875
1964	87490590817.98027
1965	97338107605.82361
1966	113046784179.2889
1967	132475614226.51888
1968	156897496759.12778
1969	184298841304.66696
1970	217223652719.44446
1971	245364056622.3629
1972	324933841268.5847
1973	441460582535.9208
1974	490035789970.2995
1975	532861438884.7239
1976	598883902155.6049
1977	737069290927.7122
1978	1035611588216.594
1979	1077910077676.3713
1980	1129377244854.036
1981	1245221410764.1482
1982	1158731426905.8486
1983	1270859919742.9011
1984	1345824500836.7627
1985	1427019759717.4094
1986	2120083812109.9124
1987	2580748422781.091
1988	3125724434400.792
1989	3109455047823.931
1990	3185904656663.8467
1991	3648065760648.876
1992	3980702922117.6567
1993	4536940479038.254
1994	4998797547740.975
1995	5545563663889.704
1996	4923391533851.632
1997	4492448605638.937
1998	4098362709531.2407
1999	4635982224063.884
2000	4968359075956.591
2001	4374711694090.8706
2002	4182846045873.608
2003	4519561645253.529
2004	4893116005656.559
2005	4831467035389.8
2006	4601663122649.921
2007	4579750920354.809
2008	5106679115127.299
2009	5289493117993.89
2010	5759071769013.113
2011	6233147172341.349
2012	6272362996105.034
2013	5212328181166.185
2014	4896994405353.292
2015	4444930651964.18
2016	5003677627544.24
2017	4930837369151.422
2018	5040880939324.859
2019	5117993853016.508
2020	5055587093501.588
2021	5034620784584.983
2022	4256410760723.75
2023	4212945159781.403