Year % (cumulative) 2007 11.4476299285889 2008 10.9389495849609 2009 11.0747900009155 2010 11.3620500564575 2011 10.6737604141235 2012 12.0028495788574 2013 12.7312202453613 2014 11.7284297943115 2015 13.6028995513916 2016 13.4826698303223 2017 13.9573402404785 2020 13.9266004562378 2021 14.6871795654297 2022 14.2914199829102