Year	% of population
2012	12.8358755062731
2013	12.847157451115
2014	12.8583288695746
2015	12.8693739061363
2016	12.8802607965602
2017	12.8910057557181
2018	12.9015935647382
2019	12.9120231633742
2020	12.9222952829562
2021	12.9323930477143
2022	12.9423341700543