Year % (cumulative) 2005 54.8357086181641 2006 56.4450225830078 2007 56.971622467041 2008 58.587230682373 2009 60.2922325134277 2010 61.196907043457 2011 63.6073532104492 2012 65.28076171875 2013 66.053466796875 2014 68.4424514770508 2015 70.7439651489258 2016 74.2691116333008 2017 73.4453201293945 2018 75.3185348510742 2019 73.7419281005859 2020 73.8269500732422 2021 78.7424850463867 2022 78.773063659668