Quarter	Persons
1998-01-01	321500
1998-04-01	328200
1998-07-01	326300
1998-10-01	315700
1999-01-01	319400
1999-04-01	318500
1999-07-01	317900
1999-10-01	313000
2000-01-01	320500
2000-04-01	323000
2000-07-01	327500
2000-10-01	322600
2001-01-01	323000
2001-04-01	325300
2001-07-01	318900
2001-10-01	322100
2002-01-01	329500
2002-04-01	331500
2002-07-01	327200
2002-10-01	316500
2003-01-01	326600
2003-04-01	331700
2003-07-01	334700
2003-10-01	331600
2004-01-01	325700
2004-04-01	318700
2004-07-01	314700
2004-10-01	321000
2005-01-01	321400
2005-04-01	322200
2005-07-01	317900
2005-10-01	320600
2006-01-01	321900
2006-04-01	325900
2006-07-01	333600
2006-10-01	332300
2007-01-01	338400
2007-04-01	333600
2007-07-01	339800
2007-10-01	344600
2008-01-01	340300
2008-04-01	342100
2008-07-01	347000
2008-10-01	345400
2009-01-01	346000
2009-04-01	343000
2009-07-01	341100
2009-10-01	342700
2010-01-01	339400
2010-04-01	339200
2010-07-01	337600
2010-10-01	340600
2011-01-01	342500
2011-04-01	332000
2011-07-01	335100
2011-10-01	325500
2012-01-01	327500
2012-04-01	324700
2012-07-01	322200
2012-10-01	313800
2013-01-01	323700
2013-04-01	336000
2013-07-01	341700
2013-10-01	345600
2014-01-01	341200
2014-04-01	344500
2014-07-01	345300
2014-10-01	340300
2015-01-01	345400
2015-04-01	358700
2015-07-01	355500
2015-10-01	360400
2016-01-01	351400
2016-04-01	376300
2016-07-01	387600
2016-10-01	379800
2017-01-01	388000
2017-04-01	400600
2017-07-01	413800
2017-10-01	423300
2018-01-01	414800
2018-04-01	419700