Year Percent 2000 94.11536 2001 94.48788 2002 94.85497 2003 95.21627 2004 95.57161 2005 95.92398 2006 96.26284 2007 96.5944 2008 96.91852 2009 97.23486 2010 97.54343 2011 97.83205 2012 98.11335 2013 98.39 2014 98.66201 2015 98.92936 2016 99.19203 2017 99.38771 2018 99.53561 2019 99.96483 2020 100 2021 100 2022 100