Year Percent 2002 98.70117 2003 98.70117 2004 98.70117 2005 98.70117 2006 98.70117 2007 98.78306 2008 98.86496 2009 98.94685 2010 99.02875 2011 99.11064 2012 99.19254 2013 99.27443 2014 99.35633 2015 99.43822 2016 99.52011 2017 99.60201 2018 99.6839 2019 99.7658 2020 99.84769 2021 99.92959 2022 100