Year	constant 2015 US$
1970	157296552455.3873
1971	162553055934.8387
1972	172994538622.03256
1973	184947186822.10233
1974	188046927124.0695
1975	185793786452.46136
1976	196468253628.45337
1977	196614110308.88525
1978	202238914414.5677
1979	206081939925.70004
1980	204858546858.73627
1981	199493256481.1365
1982	199189528669.69974
1983	200833528663.78003
1984	207224887965.0842
1985	213195894880.2446
1986	223444336672.71832
1987	230532154027.0948
1988	244387391027.85422
1989	253148598187.94623
1990	260287874495.57034
1991	265827873376.03406
1992	272238743205.64685
1993	274117831996.36237
1994	284811314077.71906
1995	289347351855.92065
1996	290666939701.158
1997	300999607300.09863
1998	307035670078.5794
1999	314374329495.40796
2000	322863133590.279
2001	322867823635.2471
2002	328949839386.8801
2003	330010493763.9902
2004	337833616541.8296
2005	342314799068.0689
2006	348352765695.04095
2007	360806340702.46014
2008	355950996455.9455
2009	350926709310.3974
2010	355884718833.03815
2011	351109401034.9231
2012	362545431812.2458
2013	366203786117.96075
2014	372220398994.6951
2015	381064891635.198
2016	387318631106.18726
2017	392198457319.12463
2018	396207676925.5126
2019	407953413856.0359
2020	381026871796.7257
2021	402268993403.9667