Year	constant 2011 international $
2006	12341636537.1854
2007	13511136547.3887
2008	13712426413.6919
2009	13808455287.3815
2010	14268932359.8093
2011	15064908212.123
2012	15619108267.7256
2013	16040324224.3598
2014	16197540383.0423
2015	16784842928.7377
2016	17424247487.8481
2017	18419514479.5017
2018	19018664572.7143