Year	% of population
2011	76.4023821363382
2012	76.4421365173934
2013	76.4834858241027
2014	76.5264317151789
2015	76.5712367034604
2016	76.6175052939639
2017	76.6655042055009
2018	76.7152333044438
2019	76.7664176720701