Year	Persons
2005-01-01	19330000
2006-01-01	19245000
2007-01-01	19580000
2008-01-01	19561000
2009-01-01	20267000
2010-01-01	20630000
2011-01-01	20732000
2012-01-01	20889000
2013-01-01	20915000
2014-01-01	20982000
2015-01-01	21002000
2016-01-01	20869000