Year	constant 2015 US$
1980	4650626378.894803
1981	4917834409.432723
1982	5062841517.517052
1983	5118782790.58601
1984	5054716276.962412
1985	5144722777.005321
1986	5434743310.805876
1987	5391926084.817541
1988	5315358596.209045
1989	5838206447.555771
1990	5279160805.759934
1991	3800882718.6877646
1992	3527709061.9465933
1993	3864937294.224704
1994	4185837881.821755
1995	4743489156.743365
1996	5175146643.275723
1997	4610021453.809664
1998	5017059783.319582
1999	5663799108.527668
2000	6057218861.96683
2001	6559562958.946374
2002	6857139117.392788
2003	7236245479.6585045
2004	7635300387.08491
2005	8057259479.004593
2006	8532852033.689517
2007	9043394715.199516
2008	9721653065.536135
2009	10047745438.945171
2010	10420209148.092852
2011	10685445792.018269
2012	10836884503.1437
2013	10945471986.7318
2014	11139693788.812449
2015	11386853113.0189
2016	11764325094.212866
2017	12211675169.684458
2018	12702504600.374044
2019	12967696312.771515
2020	12539492342.003998
2021	13656576505.566504
2022	14319794712.62677
2023	14812273860.771984