Year	% of population
2004	51.7030829544874
2005	53.0461260542634
2006	55.206763280846
2007	58.6928899833598
2008	63.7913990524854
2009	48.122378360421
2010	48.5727567366952
2011	49.0695427325643
2012	47.9376934989126
2013	48.8656012212928
2014	50.3473399443005
2015	50.1852514001917
2016	50.3621319405913
2017	49.4961924829963
2018	49.7709454417575
2019	49.4671158120451