Quarter	Persons
1998-04-01	294700
1999-04-01	300100
2000-04-01	302300
2001-04-01	323000
2002-04-01	317800
2003-04-01	331200
2004-04-01	338000
2005-04-01	340600
2006-04-01	345200
2007-04-01	355500
2008-04-01	361500
2009-04-01	367200
2010-01-01	362000
2010-04-01	365300
2010-07-01	365700
2010-10-01	367300
2011-01-01	370000
2011-04-01	372000
2011-07-01	375000
2011-10-01	376800
2012-01-01	373000
2012-04-01	375100
2012-07-01	383400
2012-10-01	384500
2013-01-01	383900
2013-04-01	386400
2013-07-01	387800
2013-10-01	393700
2014-01-01	387600
2014-04-01	387500
2014-07-01	388500
2014-10-01	402500
2015-01-01	408000
2015-04-01	402400
2015-07-01	401700
2015-10-01	411500
2016-01-01	405000
2016-04-01	417100
2016-07-01	424400
2016-10-01	425600
2017-01-01	425000
2017-04-01	436200
2017-07-01	438200
2017-10-01	447200
2018-01-01	441700
2018-04-01	456100