Year	constant 2011 international $
2010	19274102220.8394
2011	22505271782.4175
2012	25368231421.6133
2013	29046606367.1259
2014	30528924120.6345
2015	31288598083.2055
2016	31552820278.0306
2017	30800300438.5413
2018	34186610178.543