Year % of population 2000 74.37023299349153 2001 74.72519456530875 2002 72.67796039795657 2003 73.15122115132176 2004 73.6762122133231 2005 74.3178788822655 2006 75.51160937358216 2007 76.1046553286224 2008 76.70077297495472 2009 77.38251281565296 2010 77.90786248353503 2011 78.36253307198102 2012 78.83684472758685 2013 79.33682721269089 2014 79.82159693508014 2015 80.3519887334265 2016 80.82909609463458 2017 81.28172536906811 2018 80.64126963486589 2019 81.03541895540984 2020 83.10922166713567 2021 83.25139583692948 2022 85.52164779638508