Quarter	Persons
1998-01-01	630100
1998-04-01	628900
1998-07-01	627900
1998-10-01	626900
1999-01-01	625600
1999-04-01	624500
1999-07-01	623300
1999-10-01	622200
2000-01-01	621100
2000-04-01	620300
2000-07-01	619200
2000-10-01	618100
2001-01-01	628300
2001-04-01	624700
2001-07-01	621100
2001-10-01	617500
2002-01-01	615700
2002-04-01	615600
2002-07-01	615500
2002-10-01	615500
2003-01-01	615300
2003-04-01	614600
2003-07-01	615700
2003-10-01	615900
2004-01-01	616200
2004-04-01	616600
2004-07-01	617000
2004-10-01	617400
2005-01-01	618400
2005-04-01	619900
2005-07-01	621500
2005-10-01	623100
2006-01-01	625300
2006-04-01	628000
2006-07-01	630800
2006-10-01	633600
2007-01-01	636700
2007-04-01	640100
2007-07-01	643500
2007-10-01	647000
2008-01-01	650100
2008-04-01	653000
2008-07-01	655800
2008-10-01	658700
2009-01-01	661100
2009-04-01	663000
2009-07-01	664900
2009-10-01	666800
2010-01-01	668500
2010-04-01	670100
2010-07-01	671700
2010-10-01	673200
2011-01-01	675100
2011-04-01	677200
2011-07-01	679300
2011-10-01	681400
2012-01-01	683100
2012-04-01	684200
2012-07-01	685400
2012-10-01	686500
2013-01-01	687800
2013-04-01	689100
2013-07-01	690500
2013-10-01	691800
2014-01-01	693400
2014-04-01	695200
2014-07-01	697000
2014-10-01	698800
2015-01-01	700600
2015-04-01	702500
2015-07-01	704400
2015-10-01	706300
2016-01-01	708200
2016-04-01	710000
2016-07-01	711800
2016-10-01	713600
2017-01-01	715400
2017-04-01	717200
2017-07-01	718900
2017-10-01	720800
2018-01-01	722700
2018-04-01	724900