Year	Persons
2005-01-01	21965550
2006-01-01	22246250
2007-01-01	22748550
2008-01-01	22596375
2009-01-01	20871925
2010-01-01	19739500
2011-01-01	19196825
2012-01-01	18548925
2013-01-01	18075400
2014-01-01	18071100
2015-01-01	18250375
2016-01-01	18502775
2017-01-01	18798650