Year	current US$
1983	6390000000
1984	5374285714.285714
1985	5546666666.666667
1986	6717021276.595745
1987	8259813084.112149
1988	7884571428.571428
1989	5041763121.840601
1990	6546497152.314757
1991	11531201153.644468
1992	18606116033.84472
1993	22049649649.64965
1994	27299960000
1995	26038017000
1996	30148400000
1997	37413700000
1998	38667300000
1999	32762700000
2000	33070146000
2001	27603881800
2002	13065823829.175264
2003	18772898618.606388
2004	27736672323.67117
2005	34392237786.57205
2006	40480743015.852394
2007	52567536062.31568
2008	66316154417.083374
2009	48268743529.53733
2010	67937933972.36527
2011	88838309449.31316
2012	78013690406.706
2013	81240190816.91534
2014	73691675720.09839
2015	70064879911.7042
2016	75639254067.66081
2017	89910495566.93843
2018	85681309473.2328
2019	65845624691.10797
2020	52454091268.18863
2021	72860619870.72383
2022	96884984785.99564
2023	90018415643.88655