Year % (cumulative) 2002 45.1537895202637 2006 56.7039070129395 2007 57.4336585998535 2008 58.3039093017578 2009 58.0737686157227 2010 57.8940391540527 2011 58.9476699829102 2012 60.1725616455078 2013 60.9052505493164 2014 57.8623886108398 2015 59.3979187011719 2016 61.2982215881348 2017 62.6089515686035 2018 63.6283912658691 2019 64.5664215087891 2020 66.2697830200195 2021 67.1586685180664 2022 68.2230987548828