Year	constant 2011 international $
2006	2582.63590468456
2007	2627.27266185207
2008	2799.40321086942
2009	2863.40055494982
2010	2976.50704795086
2011	3264.06356996684
2012	3407.56779203057
2013	3687.30235563078
2014	3663.11154149002
2015	3735.42444599615
2016	3755.87230402647
2017	3942.7788485653