Quarter	Persons
1998-01-01	4742800
1998-04-01	4813000
1998-07-01	4794400
1998-10-01	4811600
1999-01-01	4825500
1999-04-01	4856100
1999-07-01	4876100
1999-10-01	4875000
2000-01-01	4917100
2000-04-01	4950700
2000-07-01	4992800
2000-10-01	5005600
2001-01-01	5027200
2001-04-01	5040900
2001-07-01	5058500
2001-10-01	5068800
2002-01-01	5064800
2002-04-01	5080500
2002-07-01	5080900
2002-10-01	5008500
2003-01-01	5009400
2003-04-01	5010800
2003-07-01	5017400
2003-10-01	4993900
2004-01-01	4981400
2004-04-01	4991400
2004-07-01	4977600
2004-10-01	4972700
2005-01-01	4946400
2005-04-01	4977200
2005-07-01	4969800
2005-10-01	4961800
2006-01-01	4967000
2006-04-01	5012900
2006-07-01	5009500
2006-10-01	4965700
2007-01-01	4965100
2007-04-01	4984600
2007-07-01	5023100
2007-10-01	5012500
2008-01-01	5015900
2008-04-01	5050100
2008-07-01	5014900
2008-10-01	4989300
2009-01-01	4924900
2009-04-01	4902100
2009-07-01	4833600
2009-10-01	4835500
2010-01-01	4832400
2010-04-01	4812000
2010-07-01	4781800
2010-10-01	4766100
2011-01-01	4685400
2011-04-01	4710500
2011-07-01	4670500
2011-10-01	4547600
2012-01-01	4498900
2012-04-01	4509000
2012-07-01	4467000
2012-10-01	4351200
2013-01-01	4272500
2013-04-01	4335500
2013-07-01	4384800
2013-10-01	4394200
2014-01-01	4361100
2014-04-01	4439100
2014-07-01	4481100
2014-10-01	4427700
2015-01-01	4409100
2015-04-01	4510400
2015-07-01	4506300
2015-10-01	4495200
2016-01-01	4452100
2016-04-01	4542400
2016-07-01	4597800
2016-10-01	4577900
2017-01-01	4599500
2017-04-01	4693100
2017-07-01	4736700
2017-10-01	4743600
2018-01-01	4746900
2018-04-01	4811500