Year % of population 2000 91.71252334424362 2001 91.9782138097377 2002 92.24295539485172 2003 92.53324699962043 2004 92.82699592089875 2005 93.11995171400943 2006 93.416121254967 2007 93.7159514852544 2008 94.01964305545464 2009 94.44691950502765 2010 94.74808772474896 2011 95.05224097261285 2012 95.35171597153887 2013 95.63049141037943 2014 95.92178190012734 2015 96.20690672842461 2016 96.46043104418189 2017 96.71466267741667 2018 97.02349432182955 2019 97.19127488437962 2020 97.13276740174611 2021 97.2321477063234 2022 97.33323996043812