Year Percent 2000 79.2677 2001 80.39306 2002 81.51841 2003 82.64377 2004 83.76912 2005 84.90023 2006 86.0315 2007 87.16292 2008 88.2945 2009 89.42622 2010 90.5581 2011 91.69013 2012 92.82231 2013 93.95465 2014 95.08714 2015 96.21978 2016 97.35258 2017 98.48553 2018 98.99056 2019 99.56816 2020 100 2021 100 2022 100