Year	% of population
2007	51.6433945037357
2008	58.7126395361483
2009	58.9133159857182
2010	73.0312592276134
2011	72.7004742895873
2012	86.2967287680882
2013	82.3807567872589
2014	82.5137057023097
2015	83.8976706493381
2016	85.1308420300384
2017	85.9711676246658
2018	86.8215979548315
2019	88.1359405479663
2020	92.9902867357843