Year	constant 2010 US$
2001	12507433317.9859
2002	12549698542.8753
2003	13090633318.8451
2004	13680949604.5601
2005	14410557570.9873
2006	15104586368.6543
2007	15688576904.922
2008	16831540774.6939
2009	17962499504.2503
2010	20294537758.9353
2011	20578867950.4844
2012	21544729371.7459
2013	22937458262.7393
2014	25113675949.5579
2015	26401555137.8362
2016	27126215780.861
2017	31297910832.446
2018	34385803922.435