Year	current US$
1981	115615720831.19368
1982	110714133664.0905
1983	81724263186.91672
1984	68598493371.23408
1985	66569761584.21879
1986	59771926547.039474
1987	59288018829.185135
1988	60624874634.651245
1989	59007606894.67239
1990	61919500606.83318
1991	64952695264.209526
1992	63338705078.78013
1993	71201822133.13983
1994	77775661902.10841
1995	103655958627.39934
1996	121519791425.93266
1997	129025134260.12192
1998	148771620203.28625
1999	78921861454.6415
2000	108650503561.34883
2001	112413651651.20349
2002	118128576578.55467
2003	133412605831.95267
2004	164560707484.16785
2005	195783351407.3497
2006	248667590398.54538
2007	295853347900.3889
2008	343040496617.52
2009	325566346766.4335
2010	375400383806.1645
2011	419821345363.6721
2012	470440157897.7347
2013	525540508885.1861
2014	578512718419.6256
2015	570660660543.2883
2016	538178926666.0087
2017	514442553324.05536
2018	544962951894.31506
2019	545775980137.44086
2020	497570232559.6284
2021	528741324287.7758
2022	562293555224.8058
2023	483950177025.1446