Year	Persons
1999-01-01	14682850
2000-01-01	15498450
2001-01-01	16139600
2002-01-01	16782175
2003-01-01	17467500
2004-01-01	18133075
2005-01-01	19189050
2006-01-01	19921600
2007-01-01	20566300
2008-01-01	20456250
2009-01-01	19090850
2010-01-01	18710025
2011-01-01	18406550
2012-01-01	17617025
2013-01-01	17126900
2014-01-01	17332375
2015-01-01	17856850
2016-01-01	18331550
2017-01-01	18815450