Year	% of population
2012	73.05910785589894
2013	71.5295962064489
2014	72.10440336543047
2015	72.3362897494962
2016	72.57034330168709
2017	72.43517539456387
2018	74.66380481647411
2019	74.37548857017539
2020	74.08705608792562