Year	constant 2011 international $
2010	8233.6104840913
2011	8613.79398731371
2012	9011.05506053757
2013	9370.24210658617
2014	9678.6076394861
2015	10028.6742451387
2016	10419.0569178192
2017	10810.6053660785
2018	11255.781070523