Year % 2007 77.5149 2008 86.3796 2009 86.8606 2010 92.5363 2011 95.459 2012 97.3151 2013 91.9207 2014 98.9522 2015 95.6699 2016 94.9723 2017 96.699 2018 98.4339 2019 94.9893 2020 90.44913