Year Percent 2000 76.65528 2001 77.6854 2002 78.71497 2003 79.74399 2004 80.77248 2005 81.80041 2006 82.8278 2007 83.85465 2008 84.88095 2009 85.9067 2010 86.93191 2011 87.95658 2012 88.98069 2013 90.00427 2014 91.0273 2015 92.04978 2016 93.89861 2017 94.95383 2018 96.00904 2019 97.06426 2020 97.06426 2021 97.06426 2022 97.06426