Year Percent 2000 95.94507 2001 95.94507 2002 96.14869 2003 96.35252 2004 96.55655 2005 96.7608 2006 96.96525 2007 97.16992 2008 97.37479 2009 97.57988 2010 97.78517 2011 97.99067 2012 98.19639 2013 98.40231 2014 98.60844 2015 98.81478 2016 99.02134 2017 99.2281 2018 99.43507 2019 99.64225 2020 99.84518 2021 99.84518 2022 99.84518