Year % (cumulative) 2002 97.7520980834961 2009 90.1738815307617 2010 90.9829635620117 2011 97.5790100097656 2012 97.6972579956055 2013 98.6518096923828 2014 98.5472564697266 2015 98.9810638427734 2016 99.1223983764648 2017 99.2200393676758 2018 97.4532623291016 2019 98.9626083374023 2020 99.1882553100586 2022 99.2300567626953