Year Percent 2000 73.20893 2001 73.70749 2002 74.68895 2003 75.67691 2004 76.67135 2005 77.67227 2006 78.67969 2007 79.6936 2008 80.71399 2009 81.74088 2010 82.77425 2011 83.81411 2012 84.86046 2013 85.9133 2014 86.97263 2015 88.03845 2016 89.11076 2017 90.18955 2018 91.27483 2019 92.36661 2020 93.46487 2021 94.56962 2022 94.56962