Year	% of population
2011	71.125473225864
2012	69.8523605112208
2013	68.5604759591802
2014	67.2484389402862
2015	65.9138657191189
2016	64.555698514424
2017	63.172465166845
2018	61.762074414424
2019	60.3229296058781
2020	60.127195393571
2021	59.9216720286588
2022	59.7050626099294