Year	constant 2015 US$
1981	106136214957.30667
1982	111978705142.54526
1983	116121671565.93483
1984	117841162157.53523
1985	124054813968.56927
1986	129443836498.27888
1987	133322673213.23338
1988	139684027288.0666
1989	143297726400.65216
1990	148423106850.62817
1991	152547839252.37302
1992	157550922608.42172
1993	161103462403.05542
1994	165087780886.2023
1995	170708960824.75763
1996	177621714595.49368
1997	183748615261.55362
1998	189872257821.5379
1999	198044468595.52597
2000	205049207169.96033
2001	217021750242.04544
2002	231170103564.30173
2003	239731186687.38635
2004	268888622328.31952
2005	292224119830.9125
2006	320434445825.2442
2007	349277554402.4403
2008	378390589657.31104
2009	408755251161.78406
2010	442817295634.31354
2011	463671600437.5229
2012	484274109854.27576
2013	516029476328.8063
2014	545429819092.9105
2015	570660660543.2883
2016	582145188092.8192
2017	594419607803.3682
2018	617681378284.683
2019	639876928431.4194
2020	627162917657.0007
2021	663948619012.625
2022	708746332930.7643
2023	731799300458.0969