Year % of population 2000 80.285668510144 2001 80.6866469996098 2002 81.0851954518368 2003 81.4976582856881 2004 81.9130255430709 2005 82.3222115124185 2006 82.465422660339 2007 82.5992351799769 2008 82.7236980354576 2009 82.8387605662568 2010 82.9445482014369 2011 83.0411484157224 2012 83.1286254862922 2013 83.2070227658405 2014 83.276404999062 2015 83.3371012284557 2016 83.3894374278737 2017 83.4337481707184 2018 83.4703583800673 2019 83.499603826937 2020 83.521808123074 2021 83.5372732672002 2022 83.5463346619255