Year	constant 2015 US$
1978	254252858267.31155
1979	273133545654.17886
1980	294369128785.8657
1981	320465227791.93024
1982	351839979337.9326
1983	389944647096.42017
1984	440323291753.5833
1985	496716904879.68933
1986	544417247328.113
1987	609770573421.1613
1988	680223155013.7683
1989	728683131210.0516
1990	759427265220.3362
1991	821281465136.5457
1992	910296978789.3615
1993	1011634198074.9912
1994	1113280924207.4863
1995	1215194762667.1401
1996	1316975572592.8782
1997	1427667236967.0618
1998	1478002644095.8635
1999	1586694449410.9138
2000	1722992637461.5244
2001	1875337659614.373
2002	2049447276758.2502
2003	2225766470556.246
2004	2436736161813.9883
2005	2706795350093.528
2006	3045735007528.8877
2007	3491866680203.573
2008	3826256199617.207
2009	4150394689975.625
2010	4522614062525.297
2011	4928432693351.046
2012	5317260823901.844
2013	5738549001879.468
2014	6191399326572.87
2015	6704240197134.531
2016	7223541371893.849
2017	7796991494588.709
2018	8396819564505.539
2019	8986284249064.291
2020	9074864824242.287
2021	9764307524485.318
2022	10058555536354.062
2023	10705903375707.268