Year Percent 2000 72.93643 2001 73.8695 2002 74.80258 2003 75.73566 2004 76.66874 2005 78.56553 2006 80.4855 2007 82.42865 2008 84.39497 2009 86.38447 2010 88.39714 2011 90.43299 2012 92.49202 2013 94.57421 2014 95.61158 2015 96.44328 2016 96.44328 2017 96.44328 2018 96.44328 2019 96.44328 2020 96.44328 2021 96.44328 2022 96.44328