Year % (cumulative) 2004 99.821891784668 2005 99.8262786865234 2006 99.8086318969727 2007 99.8128890991211 2008 99.7247924804688 2009 99.7030029296875 2010 99.7040786743164 2011 99.5988998413086 2012 99.7369689941406 2013 99.7387390136719 2014 99.2095336914062 2015 99.2287826538086 2016 99.2340087890625 2017 99.2403411865234 2018 99.000846862793 2019 99.188232421875 2020 98.6916427612305 2021 90.950065612793 2022 97.22021484375