Year	% of population
2006	10.3672554908934
2007	52.7399950075566
2008	76.1578569265158
2009	80.8092261114879
2011	77.4513089292289
2012	77.6865782455833
2014	80.9347592287546
2015	78.790339137196
2016	82.0068043246321
2017	82.1371056382875
2018	80.8205156712767
2019	81.8278013576602
2020	99.3561835528683