Year	% of population
2010	18.528992308235434
2011	20.312727532179
2012	20.596594460892742
2013	20.718778498230257
2014	20.516052399679673
2015	21.167972212313842
2016	21.687663631240675
2017	21.86704564934697
2018	22.041073254425623
2019	22.216359571346715
2020	22.207109295004543
2021	22.359025719475405
2022	22.531243699107748