Year	constant 2011 international $
2007	2868.03585650979
2008	3007.74466308515
2009	2936.38524942732
2010	3043.70031295164
2011	3045.97480183424
2012	3118.8273747577
2013	3122.43221071149
2014	3120.71473512139
2015	3216.69228630573
2016	3346.91553752268