Year	constant 2015 US$
1970	107843372184.05835
1971	110247968125.88739
1972	114980618107.5485
1973	123079500551.74792
1974	116366580404.26753
1975	117434599474.26149
1976	125020056974.62003
1977	128257762760.32147
1978	133506918144.05103
1979	135438428278.64537
1980	130561651433.70221
1981	126776223558.15607
1982	129690892149.5647
1983	133740927070.55841
1984	138432173284.25198
1985	143981619387.3829
1986	154529988671.80444
1987	155442124749.20822
1988	153475568380.22202
1989	153060058842.54562
1990	155042478233.8969
1991	156213261170.93097
1992	161449166823.5134
1993	161483746259.66638
1994	170448068732.6683
1995	176353130356.7791
1996	182108751972.02274
1997	187700719581.8969
1998	192809523778.0043
1999	198109844481.79333
2000	202341484724.51926
2001	205405042625.48257
2002	206666628601.27325
2003	207835582338.828
2004	216600922020.85596
2005	225639661939.3286
2006	235359205292.97507
2007	233822613422.15778
2008	232370797095.38763
2009	222777283133.5029
2010	233464571344.67624
2011	235235123563.54468
2012	237215863353.4307
2013	244865203582.06927
2014	253624951019.54135
2015	260292323814.975
2016	266441801576.3246
2017	273637535514.55954
2018	279282571332.258
2019	282603430804.9301
2020	281083118791.22644
2021	299054841949.8645