Year	constant 2011 international $
2006	777.710435832092
2007	772.270433925486
2008	812.311520692248
2009	773.954828673161
2010	806.109474531281
2011	792.889208463763
2012	842.984983539377
2013	849.330080644254
2014	883.577390408645
2015	884.307491407978
2016	891.860275577106
2017	900.645703480433