Year Percent 2000 97.36216 2001 97.52317 2002 97.68529 2003 97.84845 2004 98.01272 2005 98.17809 2006 98.34454 2007 98.5121 2008 98.68077 2009 98.85056 2010 99.02144 2011 99.19345 2012 99.36816 2013 99.54379 2014 99.71813 2015 99.89119 2016 99.91524 2017 99.93915 2018 99.96316 2019 99.98729 2020 100 2021 100 2022 100