Year Percent 2000 99.31634 2001 99.34957 2002 99.38288 2003 99.41628 2004 99.44976 2005 99.48333 2006 99.51698 2007 99.55072 2008 99.58454 2009 99.61844 2010 99.65243 2011 99.6865 2012 99.72066 2013 99.7549 2014 99.78923 2015 99.82363 2016 99.85816 2017 99.89278 2018 99.92746 2019 99.9622 2020 99.9958 2021 100 2022 100