Year % (cumulative) 2000 39.1042518615723 2005 63.1791801452637 2006 66.6274566650391 2007 62.5391693115234 2008 69.0807952880859 2010 68.1339416503906 2011 69.7437286376953 2012 73.2910614013672 2013 75.6393890380859 2014 76.8865127563477 2015 77.5713577270508 2016 78.2185134887695 2017 80.7354202270508 2018 82.1786727905273 2019 83.2266998291016 2020 85.2380523681641 2021 87.2491455078125 2022 87.8212738037109