Quarter	Persons
1998-04-01	424000
1998-10-01	414100
1999-04-01	413900
1999-10-01	414000
2000-04-01	415600
2000-10-01	421400
2001-04-01	416300
2001-10-01	409800
2002-01-01	394400
2002-04-01	410800
2002-07-01	397700
2002-10-01	415500
2003-01-01	404500
2003-04-01	408400
2003-07-01	412100
2003-10-01	399300
2004-01-01	402300
2004-04-01	395400
2004-07-01	405600
2004-10-01	401400
2005-01-01	391200
2005-04-01	391600
2005-07-01	385200
2005-10-01	392600
2006-01-01	383400
2006-04-01	394500
2006-07-01	388300
2006-10-01	392500
2007-01-01	378700
2007-04-01	382100
2007-07-01	393700
2007-10-01	398900
2008-01-01	393600
2008-04-01	396700
2008-07-01	398300
2008-10-01	404700
2009-01-01	401500
2009-04-01	393700
2009-07-01	389200
2009-10-01	397400
2010-01-01	385200
2010-04-01	389900
2010-07-01	391600
2010-10-01	394800
2011-01-01	377000
2011-04-01	377800
2011-07-01	382400
2011-10-01	373500
2012-01-01	371000
2012-04-01	374400
2012-07-01	377700
2012-10-01	374700
2013-01-01	368000
2013-04-01	365100
2013-07-01	368000
2013-10-01	359200
2014-01-01	358700
2014-04-01	356700
2014-07-01	351500
2014-10-01	344100
2015-01-01	344400
2015-04-01	349500
2015-07-01	353900
2015-10-01	347000
2016-01-01	348500
2016-04-01	344500
2016-07-01	349200
2016-10-01	345900
2017-01-01	340800
2017-04-01	333700
2017-07-01	341900
2017-10-01	342100
2018-01-01	338900
2018-04-01	336600