Year	Persons
2005-01-01	21694000
2006-01-01	21614000
2007-01-01	21528000
2008-01-01	21376000
2009-01-01	21010000
2010-01-01	20456000
2011-01-01	20257000
2012-01-01	20302000
2013-01-01	20375000
2014-01-01	20273000
2015-01-01	20169000
2016-01-01	20223000