Year Percent 2000 88.46089 2001 88.9696 2002 89.47973 2003 89.99128 2004 90.50425 2005 91.01863 2006 91.53443 2007 92.05165 2008 92.57028 2009 93.09034 2010 93.61181 2011 94.13469 2012 94.659 2013 95.18472 2014 95.18472 2015 95.18472 2016 95.18472 2017 95.18472