Year	% of population
2013	84.8918260495426
2014	84.9189792856664
2015	84.9454400296243
2016	84.971286849406
2017	84.9964506228479
2018	85.0210566821528
2019	85.0449834720462
2020	85.0683508989144
2021	85.0911583544719