Quarter	Persons
1998-01-01	188000
1998-04-01	187900
1998-07-01	193600
1998-10-01	195200
1999-01-01	203600
1999-04-01	212100
1999-07-01	212600
1999-10-01	216200
2000-01-01	217100
2000-04-01	225600
2000-07-01	234700
2000-10-01	248300
2001-01-01	248400
2001-04-01	263400
2001-07-01	275000
2001-10-01	279000
2002-01-01	278600
2002-04-01	291700
2002-07-01	302200
2002-10-01	304800
2003-01-01	306200
2003-04-01	318600
2003-07-01	331700
2003-10-01	325600
2004-01-01	333900
2004-04-01	341800
2004-07-01	346800
2004-10-01	348200
2005-01-01	351400
2005-04-01	365000
2005-07-01	375400
2005-10-01	378400
2006-01-01	381900
2006-04-01	388800
2006-07-01	394900
2006-10-01	402300
2007-01-01	397900
2007-04-01	405200
2007-07-01	409500
2007-10-01	410600
2008-01-01	418600
2008-04-01	431100
2008-07-01	436000
2008-10-01	435000
2009-01-01	429000
2009-04-01	432500
2009-07-01	434800
2009-10-01	428100
2010-01-01	433100
2010-04-01	449000
2010-07-01	450800
2010-10-01	446600
2011-01-01	438900
2011-04-01	450500
2011-07-01	447600
2011-10-01	446400
2012-01-01	447000
2012-04-01	451700
2012-07-01	454000
2012-10-01	448400
2013-01-01	442100
2013-04-01	450700
2013-07-01	450500
2013-10-01	441900
2014-01-01	442600
2014-04-01	446200
2014-07-01	441500
2014-10-01	444900
2015-01-01	441300
2015-04-01	442700
2015-07-01	451100
2015-10-01	447300
2016-01-01	447300
2016-04-01	451900
2016-07-01	460100
2016-10-01	453800
2017-01-01	454400
2017-04-01	459300
2017-07-01	458100
2017-10-01	466600
2018-01-01	477400
2018-04-01	476700