Quarter	Persons
1999-04-01	344600
2000-04-01	346800
2001-04-01	350700
2002-04-01	353000
2003-01-01	358500
2003-04-01	358500
2003-07-01	358500
2003-10-01	358500
2004-01-01	361000
2004-04-01	361000
2004-07-01	361000
2004-10-01	361000
2005-01-01	364800
2005-04-01	364800
2005-07-01	364800
2005-10-01	364800
2006-01-01	372800
2006-04-01	372800
2006-07-01	372800
2006-10-01	372800
2007-01-01	378500
2007-04-01	377100
2007-07-01	378500
2007-10-01	378400
2008-01-01	376200
2008-04-01	385200
2008-07-01	380600
2008-10-01	380200
2009-01-01	391600
2009-04-01	394300
2009-07-01	392600
2009-10-01	395600
2010-01-01	399600
2010-04-01	401300
2010-07-01	397300
2010-10-01	402400
2011-01-01	410000
2011-04-01	409900
2011-07-01	409800
2011-10-01	412000
2012-01-01	424200
2012-04-01	422200
2012-07-01	423500
2012-10-01	424500
2013-01-01	431000
2013-04-01	428500
2013-07-01	422200
2013-10-01	425800
2014-01-01	434400
2014-04-01	435000
2014-07-01	431800
2014-10-01	435700
2015-01-01	459900
2015-04-01	459900
2015-07-01	459900
2015-10-01	459900
2016-01-01	471900
2016-04-01	471900
2016-07-01	471900
2016-10-01	471900
2017-01-01	485100
2017-04-01	485100
2017-07-01	485100
2017-10-01	485100
2018-01-01	495000
2018-04-01	495000