Year	constant 2015 US$
1990	5839777093.951232
1991	5156523262.605176
1992	3001096397.250655
1993	2736999950.507023
1994	2884798023.900463
1995	3083849041.9621873
1996	3264729146.7809014
1997	3373153403.749954
1998	3619393601.8091397
1999	3738833590.6898937
2000	3959424772.6572833
2001	4339529550.803715
2002	4912347451.420218
2003	5600076094.695198
2004	6188084084.572124
2005	7048227772.272777
2006	7978593838.175157
2007	9071661194.128557
2008	9697605816.562399
2009	8330243396.359238
2010	8513508751.097059
2011	8913643662.285742
2012	9555426006.056318
2013	9870755064.256176
2014	10226102246.627628
2015	10553337518.414
2016	10574444193.432463
2017	11367527508.11347
2018	11958638938.495953
2019	12867495497.64695
2020	11941035821.918497
2021	12633615899.668158
2022	14225451502.998127
2023	15463065783.758963