Year	% of population
2006	14.0010098358446
2007	50.6654029088686
2008	66.5775073484886
2009	74.1095139944921
2011	69.1100776892317
2012	70.2639955047162
2014	74.3253563796059
2015	70.7766313765022
2016	75.4715357271202
2017	72.4075332742556
2018	72.4681762602651
2019	74.7470995613934
2020	98.6202308602055