Year % (cumulative) 2005 11.3856544494629 2006 12.3901805877686 2007 13.3214778900146 2008 14.2244577407837 2009 15.365909576416 2010 16.3617115020752 2011 18.5063304901123 2012 18.9831085205078 2015 21.5446491241455 2016 25.1461696624756 2017 22.2573757171631