Year	constant 2015 US$
2000	235158811.10910365
2001	241187953.10553572
2002	262342893.72325426
2003	259952509.66338754
2004	270633306.40465176
2005	275494472.61300004
2006	287940692.27196544
2007	254983431.35387638
2008	284311462.9977545
2009	289867864.23313165
2010	285796743.2422379
2011	317375921.3673299
2012	276742131.840022
2013	314507793.9986723
2014	320282163.385405
2015	326859322.5754913
2016	339600335.22604424
2017	329023520.01272184
2018	339911207.83535475
2019	332497908.5236747
2020	336279596.3955552
2021	334665679.2092881
2022	324814233.41769016
2023	321643571.019282