Year Percent 2000 84.23207 2001 85.10204 2002 85.97201 2003 86.84198 2004 87.71195 2005 88.58192 2006 89.45189 2007 90.32186 2008 91.19183 2009 92.0618 2010 92.93177 2011 93.80174 2012 94.67171 2013 95.54168 2014 96.41165 2015 97.28162 2016 98.15158 2017 99.02155 2018 99.89152 2019 99.89152 2020 99.89152 2021 99.89152 2022 99.89152