Year % of population 2008 78.024804521758 2009 84.5857855817644 2010 85.7681056931997 2011 85.8171012895689 2012 90.0225799160094 2013 85.7483575008822 2014 88.0154963781976 2015 88.1565916198293 2016 89.4055815370911 2017 87.3023986824691 2018 90.0517872729655 2019 88.3489745659161 2020 82.9614226362105 2021 96.6769456316246