Year % (cumulative) 2004 62.8425407409668 2007 73.9043502807617 2008 78.0822982788086 2009 75.3796463012695 2010 72.651123046875 2011 70.501838684082 2012 73.3931198120117 2013 83.3205871582031 2014 83.8514175415039 2015 86.5303573608398 2016 86.6593170166016 2017 87.2359313964844 2018 88.6529693603516 2019 88.8595581054688 2020 89.6608276367188 2021 89.4756698608398 2022 89.8183517456055