Year	constant 2011 international $
2009	20141753212.2552
2010	21515827721.3243
2011	22020289938.3574
2012	27226917250.6182
2013	26899020660.8104
2014	26211813527.4581
2015	31213263962.9989
2016	27940889396.9067
2017	28333450650.7127
2018	34919501065.1193