Year	constant 2015 US$
1965	28298025139.273247
1966	29755413736.893856
1967	30142371211.55407
1968	29686175466.504574
1969	30973863504.670727
1970	32780708276.95212
1971	34089411655.459427
1972	35198127371.3359
1973	36143045702.075676
1974	36727609276.22001
1975	39634175363.98515
1976	44547376260.80765
1977	48372051925.10008
1978	51745965411.90003
1979	53422964297.67466
1980	58069342082.266464
1981	62000936411.18737
1982	69125630281.6068
1983	72859795972.83983
1984	80110920590.17812
1985	82421081665.3477
1986	85409861796.30829
1987	97185176984.26405
1988	103313449101.48662
1989	107658934623.85754
1990	112289449206.57106
1991	117307945173.05229
1992	122400929215.33687
1993	125884132827.31299
1994	130801585473.84456
1995	137058645648.27281
1996	144068295157.02856
1997	152000275680.85822
1998	160939698671.68463
1999	169946005192.60638
2000	180606416020.40576
2001	188213625640.8707
2002	190786815340.85498
2003	196384340454.78375
2004	204151980129.06213
2005	213235300472.55878
2006	229652438988.43298
2007	246936575698.91452
2008	264408261007.48337
2009	274667517658.98077
2010	282862660460.3968
2011	285940660547.0277
2012	293038926763.5649
2013	298614968706.3151
2014	307997833747.35406
2015	323665676819.407
2016	339084511338.52496
2017	351572770570.33594
2018	368237437195.20984
2019	384431674916.61786
2020	400207631314.3645
2021	413544442859.2116
2022	439017368714.9711
2023	450490012893.5079