Quarter	Persons
1998-01-01	316900
1998-04-01	320800
1998-07-01	324600
1998-10-01	320100
1999-01-01	321000
1999-04-01	313200
1999-07-01	312600
1999-10-01	314300
2000-01-01	311800
2000-04-01	311700
2000-07-01	309000
2000-10-01	302000
2001-01-01	317600
2001-04-01	315800
2001-07-01	318900
2001-10-01	324000
2002-01-01	319200
2002-04-01	324300
2002-07-01	332100
2002-10-01	336500
2003-01-01	338600
2003-04-01	343200
2003-07-01	347100
2003-10-01	352600
2004-01-01	325800
2004-04-01	332800
2004-07-01	335500
2004-10-01	337500
2005-01-01	342600
2005-04-01	349300
2005-07-01	353600
2005-10-01	352100
2006-01-01	353000
2006-04-01	356300
2006-07-01	358400
2006-10-01	356900
2007-01-01	353600
2007-04-01	358000
2007-07-01	367500
2007-10-01	367400
2008-01-01	366900
2008-04-01	367400
2008-07-01	368400
2008-10-01	369400
2009-01-01	360200
2009-04-01	363100
2009-07-01	363500
2009-10-01	361600
2010-01-01	358200
2010-04-01	356600
2010-07-01	357700
2010-10-01	351900
2011-01-01	343700
2011-04-01	341000
2011-07-01	324600
2011-10-01	313600
2012-01-01	307500
2012-04-01	303900
2012-07-01	298000
2012-10-01	294700
2013-01-01	286600
2013-04-01	294000
2013-07-01	295100
2013-10-01	285300
2014-01-01	283800
2014-04-01	280700
2014-07-01	278800
2014-10-01	274500
2015-01-01	275700
2015-04-01	285100
2015-07-01	293400
2015-10-01	297400
2016-01-01	292500
2016-04-01	293000
2016-07-01	305400
2016-10-01	302500
2017-01-01	308200
2017-04-01	319000
2017-07-01	330400
2017-10-01	332300
2018-01-01	336100
2018-04-01	345200