Year Percent 2000 92.29127 2001 92.6899 2002 93.08853 2003 93.48717 2004 93.8858 2005 94.29013 2006 94.69451 2007 95.09894 2008 95.50341 2009 95.90794 2010 96.31251 2011 96.71713 2012 97.12179 2013 97.52651 2014 97.93127 2015 98.33609 2016 98.74095 2017 99.12762 2018 99.29115 2019 100 2020 100 2021 100 2022 100