Year % (cumulative) 2004 79.054931640625 2005 80.0776062011719 2006 86.0154418945312 2007 80.3266220092773 2008 82.1596908569336 2009 83.6827926635742 2010 85.2115631103516 2011 84.8115615844727 2012 86.0879516601562 2013 86.8599090576172 2014 87.7997283935547 2015 88.2903366088867 2016 88.7302703857422 2017 87.9997253417969 2018 90.3030319213867 2019 90.9270706176758 2020 90.1376037597656 2021 88.1561660766602 2022 88.7702789306641