Year Percent 2000 99.67595 2001 99.67595 2002 99.67595 2003 99.67726 2004 99.67858 2005 99.67989 2006 99.68121 2007 99.68252 2008 99.68384 2009 99.68515 2010 99.68647 2011 99.68779 2012 99.6891 2013 99.69042 2014 99.69173 2015 99.69305 2016 99.69436 2017 99.69568 2018 99.69699 2019 99.69699 2020 99.69699 2021 99.69699 2022 99.69699