Year % of population 2000 99.8133758771573 2001 99.8132400227997 2002 99.8203708163089 2003 99.8274296698169 2004 99.8345118255009 2005 99.8416095345955 2006 99.8487334227416 2007 99.8558753624405 2008 99.863042128939 2009 99.8702267149748 2010 99.8774333450347 2011 99.8846632633242 2012 99.8919086034315 2013 99.8991719521826 2014 99.9060919461741 2015 99.912472243595 2016 99.9188807943147 2017 99.9198417638896 2018 99.9195943597293 2019 99.9193565738972 2020 99.9191083525324 2021 99.918859906204 2022 99.9186164178539