Year	% of population
2008	58.8917225444303
2009	71.821390027345
2010	76.320298626248
2011	73.7824568071514
2012	76.2466931014889
2015	71.4992145384674
2016	72.1979604803537
2017	71.8627394828031
2018	71.5210706767604
2019	72.4758472136322
2020	54.7362207294265