Year	constant 2015 US$
1978	2276813763320.8486
1979	2438082357429.229
1980	2612723565650.4014
1981	2689611727407.357
1982	2759609173308.3237
1983	2837879815248.5186
1984	2991157184043.042
1985	3139884004286.59
1986	3282295547862.1284
1987	3458597060008.521
1988	3610880888195.713
1989	3751137740281.229
1990	3853053932686.849
1991	3957573407234.9346
1992	4082986435876.457
1993	4178667115791.924
1994	4343996314672.3276
1995	4454797597878.639
1996	4676378043732.44
1997	4953926912402.496
1998	5113072972210.91
1999	5323926886655.551
2000	5629659763671.257
2001	5892046475935.43
2002	6202384053704.104
2003	6528246779460.52
2004	7015462462688.071
2005	7551037615026.732
2006	8209740603395.795
2007	9044213316390.752
2008	9642631477805.766
2009	9995343471501.764
2010	10684644432967.65
2011	11388178212147.21
2012	12083176587276.406
2013	12759982645463.42
2014	13443794043575.598
2015	14127914961781.52
2016	14826603873036.188
2017	15674700974671.45
2018	16577275972801.031
2019	17402188376719.646
2020	17095929351116.287
2021	18401648787062.594
2022	19131322806473.934
2023	20138068994183.34