Year Percent 2000 97.05369 2001 96.96219 2002 96.87069 2003 96.77918 2004 96.68768 2005 96.59618 2006 96.50468 2007 96.41318 2008 96.32168 2009 96.23018 2010 96.13868 2011 96.04718 2012 95.95568 2013 95.86418 2014 95.77268 2015 95.68118 2016 95.58968 2017 95.49818 2018 95.40668 2019 95.40668 2020 95.40668 2021 95.40668 2022 95.40668