Quarter	Persons
1998-01-01	4075400
1998-04-01	4214600
1998-07-01	4311200
1998-10-01	4373400
1999-01-01	4400500
1999-04-01	4487100
1999-07-01	4586900
1999-10-01	4646100
2000-01-01	4661100
2000-04-01	4759900
2000-07-01	4867400
2000-10-01	4932300
2001-01-01	4971100
2001-04-01	5057600
2001-07-01	5089300
2001-10-01	5093700
2002-01-01	5051600
2002-04-01	5178700
2002-07-01	5233600
2002-10-01	5219600
2003-01-01	5251700
2003-04-01	5325000
2003-07-01	5346100
2003-10-01	5286900
2004-01-01	5334600
2004-04-01	5438000
2004-07-01	5505900
2004-10-01	5578000
2005-01-01	5528000
2005-04-01	5602000
2005-07-01	5707200
2005-10-01	5711300
2006-01-01	5710400
2006-04-01	5808500
2006-07-01	5878200
2006-10-01	5943000
2007-01-01	5930000
2007-04-01	5957600
2007-07-01	5976400
2007-10-01	5972600
2008-01-01	6032300
2008-04-01	5843700
2008-07-01	5649100
2008-10-01	5261100
2009-01-01	4908300
2009-04-01	4756900
2009-07-01	4602800
2009-10-01	4521700
2010-01-01	4306100
2010-04-01	4354900
2010-07-01	4312100
2010-10-01	4234100
2011-01-01	4078200
2011-04-01	4063900
2011-07-01	4017100
2011-10-01	3875100
2012-01-01	3710600
2012-04-01	3694100
2012-07-01	3646700
2012-10-01	3528900
2013-01-01	3443700
2013-04-01	3391800
2013-07-01	3373100
2013-10-01	3331200
2014-01-01	3240700
2014-04-01	3334200
2014-07-01	3449600
2014-10-01	3469200
2015-01-01	3501700
2015-04-01	3598800
2015-07-01	3601500
2015-10-01	3521900
2016-01-01	3513000
2016-04-01	3574300
2016-07-01	3638400
2016-10-01	3658300
2017-01-01	3652300
2017-04-01	3770200
2017-07-01	3825200
2017-10-01	3855000
2018-01-01	3828300
2018-04-01	3938000
2018-07-01	3965800