Year Percent 2000 96.11748 2001 96.35805 2002 96.59862 2003 96.83919 2004 97.07977 2005 97.32034 2006 97.56091 2007 97.80148 2008 98.04205 2009 98.28262 2010 98.52319 2011 98.76376 2012 99.00433 2013 99.24491 2014 99.48548 2015 99.68745 2016 99.80905 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100