Year	% of population
2008	70.1691945584196
2009	72.6779393323244
2010	67.1519756469873
2011	67.9458180662888
2012	67.3313538988123
2014	66.6317278880434
2015	72.0125786163522
2016	73.2082628743092
2017	74.7800314075678
2018	73.9297482021392
2019	73.5669364898356
2020	82.9141614841962