Year	Persons
2005-01-01	19177000
2006-01-01	19183000
2007-01-01	19212000
2008-01-01	18930000
2009-01-01	18005000
2010-01-01	17394000
2011-01-01	17255000
2012-01-01	17342000
2013-01-01	17495000
2014-01-01	17669000
2015-01-01	17847000
2016-01-01	18078000