Year Percent 2000 92.14291 2001 92.14291 2002 92.20687 2003 92.27083 2004 92.33479 2005 92.50826 2006 92.68187 2007 92.85564 2008 93.02956 2009 93.20363 2010 93.37785 2011 93.55222 2012 93.72674 2013 93.90142 2014 94.07625 2015 94.25123 2016 94.42636 2017 94.60164 2018 94.77708 2019 94.95266 2020 95.1284 2021 95.1284 2022 95.1284