Year	% of population
2011	64.6534226351111
2012	60.4742802262325
2013	60.8166340035569
2014	61.4146315563387
2015	60.7537900114025
2016	64.2690441523421
2017	61.7664001759272
2018	63.5672886063494
2019	64.7752545312504
2020	64.7534105356064
2021	65.9738963444211