Year	Persons
2005-01-01	19928600
2006-01-01	20298575
2007-01-01	20705550
2008-01-01	20986575
2009-01-01	20765175
2010-01-01	20371275
2011-01-01	20738400
2012-01-01	20947300
2013-01-01	21061100
2014-01-01	21209400
2015-01-01	21352625
2016-01-01	21955650
2017-01-01	22171025