Year % of population 2000 94.8189212128758 2001 94.9936859433404 2002 95.1737696316763 2003 95.3525625591624 2004 95.5299724790634 2005 95.7089575160626 2006 95.8847117824058 2007 96.0570984545243 2008 96.2259786038382 2009 96.3912331775333 2010 96.5528253694261 2011 96.710597256145 2012 96.864384577712 2013 97.0140618269523 2014 97.1596636760135 2015 97.3011010904708 2016 97.4383909094007 2017 97.5714932946819 2018 97.700411546896 2019 97.8251365713411 2020 97.945676020447 2021 98.0330197120009 2022 98.0970629849078