Year	current US$
1992	230871451422.493
1993	215633577276.061
1994	197959763560.378
1995	189313141134.741
1996	230907178539.726
1997	253112132501.577
1998	173422264025.367
1999	140313883107.266
2000	187556576288.403
2001	228828334751.111
2002	259350313491.648
2003	320709304540.262
2004	453389744102.772
2005	584447840555.955
2006	767269929432.493
2007	1038290160142.62
2008	1296611816638.03
2009	955461076803.67
2010	1219922709647.32
2011	1623858947591.15
2012	1751966020975.53
2013	1806411663225.21
2014	1612079764584.28
2015	1083892657483.01
2016	1014590706948.43
2017	1240696361250.36
2018	1281258854056.04
2019	1306105725666.98
2020	1193558847174.42
2021	1323903854187.55