Quarter	Persons
1998-04-01	765100
1998-10-01	765100
1999-04-01	764300
1999-10-01	765300
2000-04-01	765300
2000-10-01	765300
2001-04-01	744700
2001-10-01	745300
2002-01-01	737800
2002-04-01	737300
2002-07-01	735800
2002-10-01	737300
2003-01-01	732400
2003-04-01	731900
2003-07-01	733000
2003-10-01	733200
2004-01-01	729300
2004-04-01	729300
2004-07-01	730000
2004-10-01	730000
2005-01-01	723400
2005-04-01	722100
2005-07-01	723800
2005-10-01	722400
2006-01-01	717800
2006-04-01	718800
2006-07-01	719400
2006-10-01	719400
2007-01-01	714100
2007-04-01	714100
2007-07-01	714100
2007-10-01	714100
2008-01-01	710400
2008-04-01	710400
2008-07-01	710400
2008-10-01	710400
2009-01-01	697600
2009-04-01	697600
2009-07-01	697600
2009-10-01	697600
2010-01-01	679100
2010-04-01	679100
2010-07-01	679100
2010-10-01	679100
2011-01-01	662100
2011-04-01	662100
2011-07-01	662100
2011-10-01	662100
2012-01-01	648000
2012-04-01	648000
2012-07-01	648000
2012-10-01	648000
2013-01-01	641200
2013-04-01	641200
2013-07-01	641200
2013-10-01	641200
2014-01-01	627500
2014-04-01	625500
2014-07-01	623300
2014-10-01	622000
2015-01-01	619700
2015-04-01	617700
2015-07-01	615500
2015-10-01	613800
2016-01-01	610300
2016-04-01	608800
2016-07-01	606600
2016-10-01	605200
2017-01-01	599000
2017-04-01	596200
2017-07-01	593700
2017-10-01	592200
2018-01-01	591000
2018-04-01	591600