Year	% of population
2011	68.4689311357094
2012	68.6348998663311
2013	68.7981577440498
2014	68.9586879635525
2015	69.1169520348849
2016	69.2729452584781
2017	69.4262206290915
2018	69.5767777711375
2019	69.724608105128
2020	69.8701790353322
2021	70.0130213605058
2022	70.1535998009368