Year	current US$
1960	28508063204.06195
1961	28123701665.38849
1962	27136567017.319042
1963	28824974110.600513
1964	32451248571.567123
1965	34048461818.817234
1966	36627418783.61045
1967	37105401228.1473
1968	38433010894.32157
1969	41074266694.58251
1970	46502858323.09768
1971	51870225233.99801
1972	57826208728.28304
1973	78991710574.84825
1974	128023974136.01169
1975	154270044955.01724
1976	154285954878.7305
1977	176554544769.41635
1978	204746929589.34637
1979	236908310044.949
1980	334898590856.6139
1981	375898325152.97296
1982	335721380716.2661
1983	314028310649.01245
1984	315347086222.2736
1985	311139614194.1161
1986	308176309718.7404
1987	335026790553.7756
1988	396986124518.8733
1989	436620918235.11584
1990	474182652693.1598
1991	511907082941.08765
1992	577696012118.8666
1993	638631640065.5123
1994	722046904899.4209
1995	865676779360.6501
1996	942001862651.658
1997	1008876059664.7443
1998	953746898127.4319
1999	981338201952.6785
2000	1169291038916.4136
2001	1163291964816.1836
2002	1240430840811.6602
2003	1488794928762.532
2004	1929804514693.6216
2005	2308870467742.2153
2006	2713243448041.833
2007	3267385067998.47
2008	4041864340284.4404
2009	3284438556728.9297
2010	4299225921842.606
2011	5313143917006.89
2012	5559497490140.113
2013	5776316550598.146
2014	5770123668467.3
2015	5030697954071.575
2016	4728772890055.653
2017	5420944787997.982
2018	6110546679965.351
2019	5966773747192.845
2020	5422727648171.015
2021	7136078334591.984
2022	8055421376617.583
2023	7609974479891.853