Year	% of population
2008	47.9664059974779
2009	49.6594765443986
2010	52.3743519944249
2011	52.2601213289607
2012	55.1445191827539
2013	51.3987163703929
2014	52.1671274337813
2015	51.1882392365288
2016	49.456617439142
2017	56.9907183383542
2018	54.2365188949941
2019	54.5085596953184