Year	current US$
1970	30704175960.18697
1971	31783756334.428875
1972	35995884455.18465
1973	43838188626.69655
1974	51357957682.62511
1975	54774543618.60659
1976	57587665354.84739
1977	66015886025.91492
1978	82088679005.66997
1979	102911732703.9315
1980	118155647905.88275
1981	96940381521.98108
1982	94830047700.82736
1983	100907770702.24292
1984	100123577190.06616
1985	101619838761.23518
1986	141436515726.0327
1987	176627646956.2877
1988	196004341967.4252
1989	197570152103.96927
1990	249326252917.39
1991	252481280261.23077
1992	254250585001.4801
1993	212810081841.15298
1994	220687616378.05273
1995	259612369992.1265
1996	293564096893.03766
1997	278453863734.2716
1998	274707765410.16818
1999	263400874032.05173
2000	236098268453.19568
2001	245247910754.84286
2002	268973071196.18326
2003	321823485698.18854
2004	375327932459.29803
2005	376836839958.7909
2006	399425466860.04486
2007	461991195329.6733
2008	457457539309.67426
2009	387808925177.00323
2010	368959002676.3069
2011	404934677745.5839
2012	366279386229.3033
2013	386227936260.89764
2014	407766872699.51544
2015	340360722739.59546
2016	379137187306.14
2017	405791562644.48004
2018	442001003877.55914
2019	432274842580.1031
2020	409636916717.95233
2021	519923586324.2774
2022	443516821213.9323
2023	478503647752.31177