Year Percent 2000 96.8 2001 96.8 2002 96.8 2003 96.8 2004 96.8 2005 96.8 2006 96.8 2007 96.8 2008 96.8 2009 97.46051 2010 98.28726 2011 99.11401 2012 99.94076 2013 100 2014 100 2015 100 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100