Quarter	Persons
1999-01-01	94600
1999-04-01	92700
1999-07-01	96300
1999-10-01	99500
2000-01-01	98600
2000-04-01	94600
2000-07-01	96900
2000-10-01	95200
2001-01-01	93600
2001-04-01	94200
2001-07-01	90700
2001-10-01	93200
2002-01-01	93100
2002-04-01	93900
2002-07-01	98200
2002-10-01	98300
2003-01-01	94000
2003-04-01	97000
2003-07-01	99400
2003-10-01	97800
2004-01-01	95000
2004-04-01	90700
2004-07-01	92700
2004-10-01	98600
2005-01-01	93500
2005-04-01	86900
2005-07-01	90700
2005-10-01	90000
2006-01-01	91400
2006-04-01	89600
2006-07-01	92900
2006-10-01	95700
2007-01-01	94400
2007-04-01	93800
2007-07-01	96300
2007-10-01	98200
2008-01-01	99000
2008-04-01	98700
2008-07-01	98700
2008-10-01	97800
2009-01-01	94700
2009-04-01	92200
2009-07-01	91400
2009-10-01	92800
2010-01-01	99600
2010-04-01	95600
2010-07-01	99100
2010-10-01	103700
2011-01-01	109600
2011-04-01	108600
2011-07-01	103400
2011-10-01	102100
2012-01-01	108300
2012-04-01	102800
2012-07-01	110100
2012-10-01	106200
2013-01-01	107200
2013-04-01	105200
2013-07-01	107600
2013-10-01	107800
2014-01-01	105600
2014-04-01	99700
2014-07-01	99800
2014-10-01	100300
2015-01-01	101100
2015-04-01	95900
2015-07-01	95800
2015-10-01	99500
2016-01-01	93600
2016-04-01	90300
2016-07-01	98700
2016-10-01	93200
2017-01-01	91800
2017-04-01	88100
2017-07-01	90400
2017-10-01	87100
2018-01-01	87400
2018-04-01	81400