Year	constant 2015 US$
1990	7620201572.876179
1991	8786091404.29839
1992	7371531153.24036
1993	6907125166.025867
1994	4876429425.947347
1995	3476893935.7246842
1996	3727230712.709292
1997	4319860286.280923
1998	4617931922.661391
1999	3879061891.126936
2000	4449284580.564107
2001	4533549714.068321
2002	4644021189.303698
2003	5844631311.68894
2004	7557897989.684952
2005	8552716609.906407
2006	11317873144.225122
2007	13168239697.449411
2008	16896857066.362585
2009	16376210334.251095
2010	19427586856.985542
2011	20944015640.70933
2012	19535142793.878185
2013	21236189986.952324
2014	20058616359.771267
2015	16391445680.927841
2016	14396642951.311394
2017	15628987748.718887
2018	16026548433.077534
2019	17145504443.748934
2020	16147403148.15839
2021	15070442984.426283
2022	12730994337.594702
2023	14297906048.9519