Year	current US$
1967	15172478427.735321
1968	17274899264.310715
1969	19146842007.63599
1970	19732545838.515106
1971	19344330208.56741
1972	20644454624.9213
1973	24250473311.59704
1974	33055339902.06035
1975	44215327861.893
1976	53131441321.0563
1977	58514254756.94635
1978	64458950452.83445
1979	78569408281.07683
1980	82159119035.18648
1981	83911411680.83386
1982	72028997472.9339
1983	65868059724.65755
1984	63021501471.69871
1985	64290410445.45605
1986	72400969751.76207
1987	88919901022.37912
1988	96774700578.16345
1989	101713739625.94366
1990	124381709407.55464
1991	142093735886.059
1992	164225383155.99524
1993	178698742719.70187
1994	154360065947.4691
1995	166583784658.24094
1996	173397745824.96838
1997	192368371908.2342
1998	210812747167.96823
1999	223699652821.42444
2000	272932598386.3553
2001	229516958847.35065
2002	233695570437.67944
2003	260872357138.79636
2004	353354224708.20917
2005	463422102550.5163
2006	541998884518.40314
2007	622939743990.2872
2008	693942587267.497
2009	687843024493.7316
2010	759057120336.4652
2011	830740026806.231
2012	892784629520.0587
2013	956939025488.9536
2014	975159757896.1398
2015	944501103828.1393
2016	898805271855.385
2017	890532467320.9987
2018	867126720153.4891
2019	809412568891.2024
2020	763830475949.0422
2021	841958999218.2489
2022	903983375156.2477
2023	994012297976.3752