Year Percent 2000 74.80802 2001 74.80802 2002 74.80802 2003 74.80802 2004 74.80802 2005 76.32509 2006 77.84217 2007 79.35924 2008 80.87632 2009 82.39339 2010 83.91047 2011 85.42754 2012 86.94462 2013 88.46169 2014 89.97877 2015 91.49584 2016 93.01292 2017 94.52999 2018 95.30083 2019 95.30083 2020 95.30083 2021 95.30083 2022 95.30083