Year Percent 2000 99.00473 2001 99.07535 2002 99.14597 2003 99.21659 2004 99.2872 2005 99.35782 2006 99.42844 2007 99.49906 2008 99.56968 2009 99.6403 2010 99.71092 2011 99.78154 2012 99.85215 2013 99.92277 2014 99.99339 2015 100 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100