Quarter	Persons
1999-04-01	8900
2000-04-01	9200
2001-04-01	9300
2002-04-01	9600
2003-01-01	7800
2003-04-01	7800
2003-07-01	7800
2003-10-01	7800
2004-01-01	7600
2004-04-01	7600
2004-07-01	7600
2004-10-01	7600
2005-01-01	8400
2005-04-01	8400
2005-07-01	8400
2005-10-01	8400
2006-01-01	8000
2006-04-01	8000
2006-07-01	8000
2006-10-01	8000
2007-01-01	8700
2007-04-01	9600
2007-07-01	7800
2007-10-01	6900
2008-01-01	8300
2008-04-01	9900
2008-07-01	7400
2008-10-01	8100
2009-01-01	8400
2009-04-01	10700
2009-07-01	10400
2009-10-01	11000
2010-01-01	7700
2010-04-01	6800
2010-07-01	8200
2010-10-01	7800
2011-01-01	8500
2011-04-01	6900
2011-07-01	8400
2011-10-01	7900
2012-01-01	8400
2012-04-01	7500
2012-07-01	9400
2012-10-01	10200
2013-01-01	7200
2013-04-01	9200
2013-07-01	9700
2013-10-01	10900
2014-01-01	9200
2014-04-01	8200
2014-07-01	8800
2014-10-01	9500
2015-01-01	11600
2015-04-01	11500
2015-07-01	14200
2015-10-01	11500
2016-01-01	9400
2016-04-01	9900
2016-07-01	10700
2016-10-01	11500
2017-01-01	11200
2017-04-01	11300
2017-07-01	12400
2017-10-01	11100
2018-01-01	12100
2018-04-01	10500