Year Percent 2000 82.91991 2001 82.91991 2002 82.91991 2003 82.91991 2004 82.91991 2005 83.3891 2006 83.8583 2007 84.32749 2008 84.79668 2009 85.26588 2010 85.73507 2011 86.20427 2012 86.67346 2013 88.31764 2014 89.97448 2015 91.64396 2016 93.3261 2017 95.02089 2018 96.72834 2019 98.14737 2020 99.35661 2021 100 2022 100