Year Percent 2000 88.22978 2001 88.22978 2002 88.22978 2003 88.22978 2004 88.22978 2005 88.40547 2006 88.58116 2007 88.75685 2008 88.93254 2009 89.10824 2010 89.28393 2011 89.45962 2012 89.63531 2013 90.54209 2014 91.45173 2015 92.36423 2016 93.27959 2017 94.19782 2018 95.1189 2019 96.04284 2020 96.96964 2021 97.89931 2022 98.83183