Year	current US$
1960	502865604114.3473
1961	564431210297.5101
1962	616433695159.6764
1963	678808862109.152
1964	759409468561.1018
1965	838993831557.6788
1966	909046535684.4972
1967	951065343661.1357
1968	953535131180.2189
1969	1076003045513.0665
1970	648442568187.4569
1971	734607737143.8925
1972	887114467708.7867
1973	1151475349768.1475
1974	1302465952896.9314
1975	1512001848691.72
1976	1578427609891.0308
1977	1794281436422.8884
1978	2198480714904.362
1979	2662593250266.3877
1980	2983104859015.819
1981	2583982809651.8335
1982	2497255285291.396
1983	2436115101948.061
1984	2337674991644.116
1985	2403182228061.795
1986	3373786090328.4077
1987	4180408305655.793
1988	4601799969261.821
1989	4696591520758.291
1990	5898988166132.968
1991	6103858461603.261
1992	6719397645007.117
1993	6162239256933.32
1994	6498278811423.27
1995	7517615110410.522
1996	7620338404703.37
1997	6970664573576.553
1998	7151131217682.807
1999	7127444370200.415
2000	6502353889445.743
2001	6587916489556.877
2002	7168426905262.491
2003	8842210691843.182
2004	10190807756415.215
2005	10570427051755.947
2006	11263172615874.783
2007	12933513123619.367
2008	14150957282941.361
2009	13012504781138.75
2010	12737138450647.697
2011	13758023440860.025
2012	12762194950073.588
2013	13337845684914.729
2014	13643684916970.785
2015	11740444698500.703
2016	12068702743721.71
2017	12785119968744.797
2018	13859820105635.146
2019	13561824343314.729
2020	13163144724895.176
2021	14884446068456.715
2022	14266163042785.117
2023	15589026044302.35