Year % of population 2000 89.1558424092509 2001 89.1527848641269 2002 89.9116255325414 2003 90.6708890812861 2004 91.4715621981696 2005 92.2937619891342 2006 93.1032797460759 2007 93.9002109005218 2008 94.6847822626704 2009 95.4570697191831 2010 96.2174889393392 2011 96.9895886365216 2012 97.7533949334276 2013 98.4864180180041 2014 99.0454579563343 2015 99.3190098528426 2016 99.31929769268 2017 99.3195654630628 2018 99.3198098128849 2019 99.3200376001363 2020 99.3202493046668 2021 99.3204402045059 2022 99.3206156339836