Year Percent 2005 95.70064 2006 95.70064 2007 95.70064 2008 95.70064 2009 95.70064 2010 96.03319 2011 96.36575 2012 96.69831 2013 97.03086 2014 97.36342 2015 97.69598 2016 98.02853 2017 98.36109 2018 98.69364 2019 99.0262 2020 99.35876 2021 99.69131 2022 100