Year	% of population
2012	43.3461548107573
2013	43.4767910593943
2014	43.6069283922294
2015	43.7363135769289
2016	43.8649452460677
2017	43.9925760601146
2018	44.1192001173137
2019	44.2448240398932
2020	44.3696932485851