Year	current US$
1970	10126039332.266178
1971	12251904738.866447
1972	14706152436.310318
1973	19491363119.312435
1974	22404954519.518013
1975	18887951032.42552
1976	17830395663.30613
1977	19047294778.448093
1978	27882115771.81208
1979	34459160401.75618
1980	41854266873.54539
1981	35289042358.212
1982	35760881150.56888
1983	36115212233.81449
1984	31812032174.320126
1985	33137022099.22266
1986	50759548613.041306
1987	62767177440.98712
1988	70158218410.44215
1989	69334259429.06046
1990	92803667578.46242
1991	85276750348.67503
1992	81078131133.55142
1993	75088693151.05577
1994	85345483658.69708
1995	99018769556.02536
1996	93896788025.88997
1997	76910806173.77524
1998	83187538970.89253
1999	80664992677.40648
2000	76042228209.37944
2001	79369463735.48235
2002	81083182984.72989
2003	94083104626.12311
2004	99154412545.23521
2005	113728388210.72919
2006	123299692933.48221
2007	131463620459.84673
2008	155499589142.2768
2009	157074966455.28903
2010	155075822689.83575
2011	203973842727.2459
2012	183001202995.477
2013	177652932064.23392
2014	185653630484.0857
2015	174049186248.59497
2016	175839345151.52982
2017	181060290276.9902
2018	186721142263.0512
2019	190714072098.81512
2020	219474148108.04086
2021	212337332974.6539
2022	200820426619.32852
2023	217487330966.39917