Year Percent 2000 78.21304 2001 78.21304 2002 79.72914 2003 81.24524 2004 82.76134 2005 84.27744 2006 85.79354 2007 87.30964 2008 88.82574 2009 90.34184 2010 91.85794 2011 93.37404 2012 94.89014 2013 96.40624 2014 97.92234 2015 99.29855 2016 99.29855 2017 99.29855 2018 99.29855 2019 99.29855 2020 99.29855 2021 99.29855 2022 99.29855