Year % (cumulative) 2001 82.1904220581055 2007 86.3800430297852 2009 88.7413787841797 2010 89.2191696166992 2011 90.0856018066406 2012 90.9851989746094 2013 90.9548797607422 2015 91.5891036987305 2017 89.9342803955078 2018 93.2246475219727 2019 93.2901077270508 2020 89.7747421264648 2021 94.5878982543945