Year % (cumulative) 2005 31.8586101531982 2006 34.0017890930176 2007 34.3410911560059 2008 36.1046104431152 2009 37.1041984558105 2010 37.805118560791 2011 38.6912460327148 2012 41.1179466247559 2013 41.7007217407227 2014 43.2929229736328 2015 45.595100402832 2016 47.2105712890625 2017 49.7824058532715 2018 52.1593589782715 2019 48.482780456543 2020 47.8697700500488 2021 47.5507850646973 2022 50.3665313720703