Year	% of population
2004	33.0107022104909
2005	33.2923214014718
2006	36.7919367790083
2007	46.4513059637083
2008	56.071795107774
2009	41.7075305352681
2010	47.4997772066243
2011	48.0698880557602
2012	42.4554020237105
2013	44.489922559012
2014	46.2566917391911
2015	47.76452147417
2016	51.287044873318
2017	44.5012551700477
2018	40.2785329880564
2019	39.610160544395