Year Percent 2000 88.80462 2001 88.80462 2002 88.80462 2003 89.30521 2004 89.8058 2005 90.30639 2006 90.80697 2007 91.30756 2008 91.80815 2009 92.30874 2010 92.80932 2011 93.30991 2012 93.8105 2013 94.31109 2014 94.81167 2015 95.31226 2016 95.81285 2017 96.31344 2018 96.81402 2019 96.81402 2020 96.81402 2021 96.81402 2022 96.81402