Year	constant 2015 US$
1990	2027326479.2633297
1991	2197800232.9033904
1992	2595135190.6875896
1993	3159009979.827616
1994	2841666503.4265757
1995	3082952420.72869
1996	5741031859.485056
1997	3558967670.842656
1998	3098688464.989681
1999	2482360289.679433
2000	1771577637.4544098
2001	1889772725.961644
2002	2753956826.7537274
2003	2179945944.6508307
2004	2241268412.163563
2005	2251920358.3356185
2006	2283692739.7625213
2007	2889792560.879177
2008	3270342437.929898
2009	3260376307.342022
2010	3144735555.171723
2011	4308400179.08523
2012	5549729085.393573
2013	6212721201.377641
2014	4277157642.755467
2015	4557385896.250739
2016	4051718639.445796
2017	4375021665.767856
2018	5602866582.552487
2019	5357352061.021363
2020	4861048928.498217
2021	4189388518.3150177
2022	4115205517.0778627
2023	4123974311.3859015