Quarter	Persons
1998-04-01	740800
1998-10-01	738200
1999-04-01	726300
1999-10-01	719900
2000-04-01	713300
2000-10-01	715200
2001-04-01	716200
2001-10-01	715600
2002-01-01	691800
2002-04-01	714900
2002-07-01	725200
2002-10-01	727600
2003-01-01	717300
2003-04-01	718700
2003-07-01	726900
2003-10-01	718100
2004-01-01	700800
2004-04-01	713600
2004-07-01	720000
2004-10-01	711600
2005-01-01	695700
2005-04-01	717800
2005-07-01	703400
2005-10-01	720900
2006-01-01	712400
2006-04-01	744100
2006-07-01	750000
2006-10-01	745300
2007-01-01	717700
2007-04-01	737500
2007-07-01	759900
2007-10-01	762800
2008-01-01	740500
2008-04-01	748900
2008-07-01	741900
2008-10-01	737800
2009-01-01	692400
2009-04-01	655700
2009-07-01	654300
2009-10-01	648600
2010-01-01	620300
2010-04-01	624500
2010-07-01	650700
2010-10-01	653500
2011-01-01	629000
2011-04-01	640800
2011-07-01	654700
2011-10-01	651000
2012-01-01	628300
2012-04-01	639300
2012-07-01	661700
2012-10-01	653300
2013-01-01	647400
2013-04-01	651300
2013-07-01	662100
2013-10-01	656400
2014-01-01	642400
2014-04-01	648800
2014-07-01	642600
2014-10-01	638000
2015-01-01	634300
2015-04-01	646100
2015-07-01	649400
2015-10-01	641500
2016-01-01	635800
2016-04-01	640300
2016-07-01	641100
2016-10-01	634300
2017-01-01	634700
2017-04-01	630900
2017-07-01	639400
2017-10-01	643500
2018-01-01	640500
2018-04-01	640600