Year	current US$
1965	32595075258.6443
1966	34926879026.96901
1967	37567451441.11194
1968	42828452187.47818
1969	47971520849.23385
1970	53663746179.26118
1971	62803602449.0941
1972	78572645061.543
1973	104718152192.12762
1974	198579240717.32727
1975	221223008922.25626
1976	273078836682.9248
1977	316115539588.2027
1978	335960160178.18854
1979	445297630480.1354
1980	564760496489.6006
1981	578780324523.9136
1982	579807838415.4934
1983	591831341769.7755
1984	593103951391.9386
1985	602973458341.5194
1986	611238472474.9033
1987	567811546463.9222
1988	563442830014.9802
1989	582583962581.0323
1990	755376888330.3519
1991	556353003407.5131
1992	605142511259.789
1993	611316557106.1572
1994	643946050260.4176
1995	715806138256.1819
1996	794404185350.1306
1997	833814221869.9208
1998	818350189902.2517
1999	877069075673.889
2000	985747475934.9056
2001	982872345539.1666
2002	969828022150.7892
2003	1077115330913.8424
2004	1276952718700.9683
2005	1537334852067.6885
2006	1824297415578.481
2007	2166202925500.268
2008	2690012747189.18
2009	2401066969866.0527
2010	2809108746110.7773
2011	3379674553134.9517
2012	3653264709611.3545
2013	3600134992853.071
2014	3632093580216.183
2015	3212102576441.02
2016	3245847214538.7407
2017	3387226682471.286
2018	3539607594476.5903
2019	3545481705430.902
2020	3188971118872.715
2021	3776463161887.208
2022	4482819184344.449
2023	4283226916693.772