Year	current US$
1970	27446003834.2877
1971	32725112139.2443
1972	39791091643.2814
1973	52583552320.5042
1974	61196324584.5651
1975	69940547573.2851
1976	73014533954.1674
1977	84369332886.139
1978	105375296149.751
1979	126589186998.728
1980	142012411224.791
1981	124195626320.958
1982	123461904920.44
1983	123256244214.933
1984	116742737761.623
1985	117699022703.485
1986	165988181753.416
1987	207974520174.422
1988	222700928157.638
1989	221000921697.089
1990	278389926217.902
1991	292305342254.85
1992	337818465558.623
1993	339522071239.189
1994	359884179390.105
1995	422122287490.182
1996	412164023840.268
1997	366864425955.082
1998	370268978503.935
1999	364138510170.05
2000	328984324742.897
2001	329329246614.731
2002	355242592926.288
2003	429478977660.759
2004	481007074512.515
2005	489094185245.402
2006	506003814606.492
2007	580084980715.641
2008	648503150314.378
2009	630437470255.291
2010	612511591470.343
2011	665548092623.022
2012	636386664055.737
2013	677130357385.579
2014	697263636828.932
2015	602196997547.842
2016	618414593361.392
2017	656742411355.509
2018	720211012651.962
2019	716873413930.637
2020	755747761923.443
2021	833750309635.16