Year % (cumulative) 2001 99.9592590332031 2002 99.9734954833984 2003 99.8899383544922 2004 99.9514312744141 2005 99.9581298828125 2006 99.972297668457 2007 99.9695663452148 2008 99.8692321777344 2010 99.8681335449219 2012 99.9028167724609 2014 100 2015 100 2016 100 2017 99.7744979858398 2018 100 2019 100 2020 100 2021 100