Quarter	Persons
1998-01-01	383500
1998-04-01	388700
1998-07-01	375200
1998-10-01	369200
1999-01-01	378800
1999-04-01	384600
1999-07-01	380000
1999-10-01	375600
2000-01-01	384500
2000-04-01	394600
2000-07-01	386000
2000-10-01	388900
2001-01-01	403000
2001-04-01	406000
2001-07-01	395900
2001-10-01	399600
2002-01-01	417300
2002-04-01	413700
2002-07-01	411200
2002-10-01	410200
2003-01-01	420400
2003-04-01	424600
2003-07-01	422800
2003-10-01	416100
2004-01-01	428200
2004-04-01	432900
2004-07-01	423100
2004-10-01	419600
2005-01-01	421700
2005-04-01	433700
2005-07-01	424600
2005-10-01	419100
2006-01-01	430300
2006-04-01	437700
2006-07-01	428200
2006-10-01	421700
2007-01-01	433900
2007-04-01	442000
2007-07-01	433600
2007-10-01	430300
2008-01-01	448400
2008-04-01	449900
2008-07-01	439000
2008-10-01	434400
2009-01-01	442800
2009-04-01	437900
2009-07-01	421300
2009-10-01	419400
2010-01-01	433200
2010-04-01	434900
2010-07-01	415300
2010-10-01	417600
2011-01-01	421900
2011-04-01	415400
2011-07-01	396500
2011-10-01	398600
2012-01-01	398800
2012-04-01	393000
2012-07-01	380300
2012-10-01	381000
2013-01-01	381400
2013-04-01	380000
2013-07-01	361800
2013-10-01	362000
2014-01-01	360100
2014-04-01	352900
2014-07-01	344000
2014-10-01	344500
2015-01-01	346000
2015-04-01	347800
2015-07-01	342200
2015-10-01	333000
2016-01-01	335600
2016-04-01	333700
2016-07-01	324600
2016-10-01	326300
2017-01-01	327600
2017-04-01	327400
2017-07-01	319200
2017-10-01	327200
2018-01-01	331300
2018-04-01	336400