Year	% of population
2011	66.6781279885513
2012	63.8617654061862
2013	63.1540829459489
2014	60.2391100375424
2015	62.7278611887344
2016	62.2169341639412
2017	63.4999590004989
2018	65.0100554571333
2019	65.2305943721971
2020	65.1802737993309
2021	64.0608316851814