Year Percent 2000 94.57495 2001 94.57495 2002 94.84595 2003 94.98971 2004 95.039 2005 95.08703 2006 95.13381 2007 95.17933 2008 95.22359 2009 95.26659 2010 95.30834 2011 95.34883 2012 95.38806 2013 95.42603 2014 95.46274 2015 95.72646 2016 95.99019 2017 96.25391 2018 96.25391 2019 96.25391 2020 96.25391 2021 96.25391