Quarter	Persons
1998-04-01	325200
1999-04-01	319000
2000-01-01	331200
2000-04-01	330000
2000-07-01	335500
2000-10-01	334100
2001-01-01	325000
2001-04-01	326500
2001-07-01	339700
2001-10-01	328700
2002-01-01	316100
2002-04-01	319700
2002-07-01	330100
2002-10-01	332800
2003-01-01	325900
2003-04-01	326400
2003-07-01	333600
2003-10-01	335300
2004-01-01	333600
2004-04-01	332400
2004-07-01	328800
2004-10-01	329200
2005-01-01	333200
2005-04-01	336400
2005-07-01	332000
2005-10-01	335900
2006-01-01	336800
2006-04-01	346700
2006-07-01	340600
2006-10-01	340000
2007-01-01	330800
2007-04-01	340400
2007-07-01	337400
2007-10-01	332700
2008-01-01	333600
2008-04-01	331500
2008-07-01	344900
2008-10-01	346600
2009-01-01	340700
2009-04-01	334600
2009-07-01	338800
2009-10-01	335500
2010-01-01	341200
2010-04-01	342000
2010-07-01	335300
2010-10-01	333800
2011-01-01	334400
2011-04-01	341500
2011-07-01	346500
2011-10-01	336900
2012-01-01	337700
2012-04-01	339500
2012-07-01	339500
2012-10-01	327900
2013-01-01	331300
2013-04-01	339300
2013-07-01	333000
2013-10-01	331800
2014-01-01	318900
2014-04-01	327200
2014-07-01	333900
2014-10-01	328200
2015-01-01	324700
2015-04-01	333500
2015-07-01	339300
2015-10-01	336100
2016-01-01	328500
2016-04-01	343000
2016-07-01	341700
2016-10-01	329200
2017-01-01	332500
2017-04-01	339200
2017-07-01	339700
2017-10-01	343700
2018-01-01	338500
2018-04-01	339300