Year Percent 2000 78.89696 2001 79.25339 2002 80.44005 2003 81.59693 2004 82.72291 2005 83.8158 2006 84.86563 2007 85.87742 2008 86.85683 2009 87.80207 2010 88.71397 2011 89.58121 2012 90.4109 2013 91.20791 2014 91.97312 2015 92.70634 2016 93.40788 2017 94.07733 2018 94.7135 2019 95.31737 2020 95.89031 2021 96.69445 2022 97.64693