Quarter	Persons
1998-01-01	20400
1998-04-01	19600
1998-07-01	18700
1998-10-01	16700
1999-01-01	16800
1999-04-01	20900
1999-07-01	16700
1999-10-01	17300
2000-01-01	20000
2000-04-01	19200
2000-07-01	16900
2000-10-01	18900
2001-01-01	17800
2001-04-01	14500
2001-07-01	20100
2001-10-01	20000
2002-01-01	21300
2002-04-01	20800
2002-07-01	22500
2002-10-01	22600
2003-01-01	21300
2003-04-01	26400
2003-07-01	25500
2003-10-01	32100
2004-01-01	28100
2004-04-01	34600
2004-07-01	36100
2004-10-01	36400
2005-01-01	35000
2005-04-01	37000
2005-07-01	41200
2005-10-01	40700
2006-01-01	41800
2006-04-01	38000
2006-07-01	38400
2006-10-01	43800
2007-01-01	41900
2007-04-01	45100
2007-07-01	42200
2007-10-01	45700
2008-01-01	48600
2008-04-01	47600
2008-07-01	41400
2008-10-01	41600
2009-01-01	46000
2009-04-01	50300
2009-07-01	58900
2009-10-01	53400
2010-01-01	60100
2010-04-01	61200
2010-07-01	63100
2010-10-01	64300
2011-01-01	71400
2011-04-01	81700
2011-07-01	74900
2011-10-01	74700
2012-01-01	81200
2012-04-01	89400
2012-07-01	88600
2012-10-01	99400
2013-01-01	99700
2013-04-01	104500
2013-07-01	95800
2013-10-01	96600
2014-01-01	100500
2014-04-01	98100
2014-07-01	93300
2014-10-01	107300
2015-01-01	106900
2015-04-01	92900
2015-07-01	92600
2015-10-01	90600
2016-01-01	90000
2016-04-01	90300
2016-07-01	81000
2016-10-01	87800
2017-01-01	82000
2017-04-01	69100
2017-07-01	70300
2017-10-01	67700
2018-01-01	66500
2018-04-01	57100