Year % 2003 100 2004 100 2005 100 2006 99.95 2007 99.95 2008 99.95 2009 100 2010 100 2011 100 2012 100 2013 99.97 2014 100 2015 100 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100