Year Percent 2000 87.1464 2001 87.80858 2002 88.46603 2003 89.1186 2004 89.76626 2005 90.50343 2006 91.23819 2007 91.97019 2008 92.6987 2009 93.42359 2010 94.14426 2011 94.8603 2012 95.57134 2013 96.27698 2014 96.97195 2015 97.65894 2016 98.33813 2017 98.99758 2018 99.34508 2019 99.79292 2020 100 2021 100 2022 100