Quarter	Persons
1999-04-01	91600
2000-01-01	92400
2000-04-01	91100
2000-07-01	90200
2000-10-01	88800
2001-01-01	88700
2001-04-01	87700
2001-07-01	87500
2001-10-01	88900
2002-01-01	87900
2002-04-01	88400
2002-07-01	88100
2002-10-01	87400
2003-01-01	86100
2003-04-01	86300
2003-07-01	86500
2003-10-01	85900
2004-01-01	84500
2004-04-01	85600
2004-07-01	85900
2004-10-01	85600
2005-01-01	85100
2005-04-01	85000
2005-07-01	87300
2005-10-01	86200
2006-01-01	86000
2006-04-01	85700
2006-07-01	85900
2006-10-01	86200
2007-01-01	85600
2007-04-01	85300
2007-07-01	85300
2007-10-01	85000
2008-01-01	86100
2008-04-01	86700
2008-07-01	86700
2008-10-01	86100
2009-01-01	88400
2009-04-01	88900
2009-07-01	88900
2009-10-01	88900
2010-01-01	91400
2010-04-01	91400
2010-07-01	91400
2010-10-01	91400
2011-01-01	94200
2011-04-01	94100
2011-07-01	94100
2011-10-01	94200
2012-01-01	95100
2012-04-01	95100
2012-07-01	95100
2012-10-01	95100
2013-01-01	95300
2013-04-01	95300
2013-07-01	95300
2013-10-01	95300
2014-01-01	95200
2014-04-01	95200
2014-07-01	94900
2014-10-01	95200
2015-01-01	94700
2015-04-01	94700
2015-07-01	94500
2015-10-01	94500
2016-01-01	94800
2016-04-01	94800
2016-07-01	94600
2016-10-01	94600
2017-01-01	94700
2017-04-01	94700
2017-07-01	94500
2017-10-01	94700
2018-01-01	94500
2018-04-01	94500