Year Percent 2000 94.53197 2001 94.61714 2002 94.70232 2003 94.7875 2004 94.87268 2005 94.95785 2006 95.04303 2007 95.12821 2008 95.21339 2009 95.29856 2010 95.38374 2011 95.46892 2012 95.55409 2013 95.63927 2014 95.72445 2015 95.80963 2016 95.8948 2017 95.97368 2018 96.05662 2019 96.05662 2020 96.05662 2021 96.05662 2022 96.05662