Year Percent 2000 98.74426 2001 98.82803 2002 98.91179 2003 98.99556 2004 99.07933 2005 99.1631 2006 99.24687 2007 99.33064 2008 99.4144 2009 99.49817 2010 99.58194 2011 99.66571 2012 99.74948 2013 99.83325 2014 99.91702 2015 100 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100