Year	current US$
1983	305215147685.6407
1984	284445659039.8152
1985	241546997810.89255
1986	286191484072.1555
1987	345213642205.2749
1988	374930673481.9096
1989	391915617720.2152
1990	467177389416.62756
1991	497476251618.44257
1992	455287216930.3551
1993	446827172998.4002
1994	440935556536.067
1995	502343234107.93726
1996	513217075955.359
1997	531183214932.6741
1998	523163082052.6624
1999	517126487024.4929
2000	526754753285.22296
2001	487830880586.2501
2002	493737693139.5713
2003	647853663253.4181
2004	800365630281.5261
2005	906150536577.7959
2006	1017187087196.256
2007	1183138650099.7278
2008	1315105347333.915
2009	1350574799364.1418
2010	1530880865089.4888
2011	1719415082111.3477
2012	1788753411447.1375
2013	1891643713715.066
2014	1921011157951.6138
2015	1773814697649.1362
2016	1666073078675.8982
2017	1834488268403.9229
2018	1983213689033.4631
2019	1977962441129.5942
2020	1867614039948.2214
2021	2134147729794.6648
2022	2288580137271.45
2023	2433890496562.3677