Year % 2002 100 2004 100 2005 99.95 2006 99.95 2008 99.97 2009 99.97 2010 99.95 2011 99.95 2012 99.95 2013 99.95 2014 100 2015 100 2016 100 2018 100 2019 100 2020 100 2021 100