Year Percent 2000 91.65707 2001 92.15723 2002 92.65863 2003 93.16126 2004 93.66513 2005 94.17023 2006 94.67656 2007 95.18413 2008 95.69294 2009 96.20298 2010 96.71426 2011 97.22677 2012 97.74052 2013 98.2555 2014 98.77172 2015 99.19759 2016 99.38042 2017 99.56326 2018 99.74609 2019 99.92893 2020 100 2021 100 2022 100