Year	constant 2011 international $
2005	13785.6259978578
2006	13357.9345798122
2007	13771.9856202765
2008	13114.8691467698
2009	13342.3789656379
2010	13538.8548553453
2011	14509.6664305789
2012	14922.9230641267
2013	14267.3884451258
2014	15091.6829266492
2015	16044.6793963687
2016	16325.4328060241
2017	15980.6054963472
