Year	constant 2011 international $
2006	13647271788.1364
2007	14491430953.515
2008	14058903545.1658
2009	14051353887.6069
2010	13797603267.1386
2011	14350889584.8391
2012	15478987449.339
2013	16802002066.7004
2014	16428503290.5921
2015	17163154514.2769
2016	17966884345.0633
2017	18482371140.8277
2018	20019430290.4559