Quarter	Persons
1998-04-01	811200
1999-04-01	791200
2000-04-01	783100
2001-01-01	789000
2001-04-01	792800
2001-07-01	790900
2001-10-01	768900
2002-01-01	751000
2002-04-01	757600
2002-07-01	762200
2002-10-01	743900
2003-01-01	727900
2003-04-01	737200
2003-07-01	737300
2003-10-01	717000
2004-01-01	709400
2004-04-01	718100
2004-07-01	729800
2004-10-01	709000
2005-01-01	699600
2005-04-01	694600
2005-07-01	701800
2005-10-01	690500
2006-01-01	678200
2006-04-01	697400
2006-07-01	707500
2006-10-01	691800
2007-01-01	683100
2007-04-01	693300
2007-07-01	702100
2007-10-01	682500
2008-01-01	663900
2008-04-01	674300
2008-07-01	685200
2008-10-01	657000
2009-01-01	623200
2009-04-01	616400
2009-07-01	612000
2009-10-01	590500
2010-01-01	583000
2010-04-01	599100
2010-07-01	608600
2010-10-01	592500
2011-01-01	591600
2011-04-01	610700
2011-07-01	626300
2011-10-01	604300
2012-01-01	590600
2012-04-01	598600
2012-07-01	602900
2012-10-01	579100
2013-01-01	574800
2013-04-01	584900
2013-07-01	587900
2013-10-01	571800
2014-01-01	559000
2014-04-01	566600
2014-07-01	576200
2014-10-01	562200
2015-01-01	557800
2015-04-01	565800
2015-07-01	577100
2015-10-01	562200
2016-01-01	554700
2016-04-01	563400
2016-07-01	567700
2016-10-01	553600
2017-01-01	552800
2017-04-01	567700
2017-07-01	575000
2017-10-01	565700
2018-01-01	561500
2018-04-01	573900