Year Percent 2000 94.96526 2001 95.18468 2002 95.34128 2003 95.4976 2004 95.65362 2005 95.80936 2006 95.96481 2007 96.11996 2008 96.27483 2009 96.42941 2010 96.5837 2011 96.73771 2012 96.89142 2013 98.07389 2014 98.29388 2015 98.51388 2016 98.73387 2017 98.95387 2018 99.17386 2019 99.39386 2020 99.61385 2021 99.69555 2022 100