Year	constant 2015 US$
1970	5693677670016.021
1971	5866220900717.828
1972	6185758049660.009
1973	6556314885695.556
1974	6494581379418.297
1975	6468334777754.765
1976	6804789338356.009
1977	7096799882566.485
1978	7458266715526.812
1979	7643343955254.902
1980	7563058529916.708
1981	7778841132949.545
1982	7720356264884.422
1983	7996100360518.204
1984	8615490496968.248
1985	8947658459004.941
1986	9172981250256.123
1987	9545322917688.34
1988	10032712354091.242
1989	10282677019117.834
1990	10412923032392.4
1991	10406635628574.266
1992	10712427433347.23
1993	10962677668533.217
1994	11432284887355.844
1995	11826028509034.188
1996	12329087973563.006
1997	12962723079618.912
1998	13658539205351.47
1999	14281603567041.232
2000	14955235747550.305
2001	15185580834386.857
2002	15409774379393.264
2003	15762671808586.678
2004	16373640593819.947
2005	16925720444916.762
2006	17522034513142.488
2007	17679041849081.934
2008	17436312300730.848
2009	17109574662141.994
2010	17743059559196.832
2011	18129739931374.547
2012	18669071479530.02
2013	18980919152200.7
2014	19592691460361.78
2015	20147695277013.94
2016	20413207124238.797
2017	20986697847711.52
2018	21605333781097.562
2019	22180926663090.56
2020	21568852628246.53
2021	22955405660301.336
2022	23530292230663.113