Year Percent 2000 91.762 2001 91.762 2002 91.762 2003 91.762 2004 91.762 2005 91.95429 2006 92.14658 2007 92.33886 2008 92.53115 2009 92.72343 2010 92.91572 2011 93.108 2012 93.30029 2013 93.49257 2014 93.68486 2015 93.87715 2016 94.06943 2017 94.26172 2018 94.454 2019 94.61663 2020 94.7 2021 94.7 2022 94.7