Quarter	Persons
1998-01-01	455700
1998-04-01	460500
1998-07-01	449200
1998-10-01	452300
1999-01-01	456200
1999-04-01	450800
1999-07-01	451800
1999-10-01	446000
2000-01-01	458100
2000-04-01	461400
2000-07-01	456600
2000-10-01	451600
2001-01-01	484400
2001-04-01	482400
2001-07-01	475700
2001-10-01	481500
2002-01-01	474800
2002-04-01	477000
2002-07-01	470300
2002-10-01	479400
2003-01-01	476500
2003-04-01	481800
2003-07-01	482900
2003-10-01	484000
2004-01-01	454600
2004-04-01	453100
2004-07-01	460800
2004-10-01	459900
2005-01-01	466900
2005-04-01	467900
2005-07-01	465600
2005-10-01	470400
2006-01-01	463300
2006-04-01	471100
2006-07-01	469600
2006-10-01	471600
2007-01-01	469500
2007-04-01	465700
2007-07-01	462100
2007-10-01	462000
2008-01-01	468900
2008-04-01	460000
2008-07-01	462500
2008-10-01	452200
2009-01-01	443500
2009-04-01	444400
2009-07-01	437000
2009-10-01	439700
2010-01-01	436800
2010-04-01	436700
2010-07-01	430800
2010-10-01	428100
2011-01-01	429500
2011-04-01	429000
2011-07-01	426900
2011-10-01	418200
2012-01-01	417800
2012-04-01	415300
2012-07-01	413900
2012-10-01	414700
2013-01-01	418900
2013-04-01	418200
2013-07-01	419400
2013-10-01	415000
2014-01-01	411800
2014-04-01	406300
2014-07-01	403100
2014-10-01	403600
2015-01-01	409700
2015-04-01	410600
2015-07-01	408000
2015-10-01	409600
2016-01-01	419200
2016-04-01	412000
2016-07-01	407800
2016-10-01	406000
2017-01-01	400100
2017-04-01	397400
2017-07-01	403800
2017-10-01	401400
2018-01-01	409000
2018-04-01	406800