Quarter	Persons
1999-04-01	3800
2000-04-01	3700
2001-04-01	3100
2002-04-01	3900
2003-01-01	4700
2003-04-01	4700
2003-07-01	4700
2003-10-01	4700
2004-01-01	5100
2004-04-01	5100
2004-07-01	5100
2004-10-01	5100
2005-01-01	5800
2005-04-01	5800
2005-07-01	5800
2005-10-01	5800
2006-01-01	7000
2006-04-01	7000
2006-07-01	7000
2006-10-01	7000
2007-01-01	6900
2007-04-01	6700
2007-07-01	7900
2007-10-01	6900
2008-01-01	7300
2008-04-01	8000
2008-07-01	7300
2008-10-01	6100
2009-01-01	6900
2009-04-01	7900
2009-07-01	7500
2009-10-01	8000
2010-01-01	7800
2010-04-01	8800
2010-07-01	7700
2010-10-01	8700
2011-01-01	8700
2011-04-01	8700
2011-07-01	9300
2011-10-01	7700
2012-01-01	9700
2012-04-01	10100
2012-07-01	10600
2012-10-01	9000
2013-01-01	8600
2013-04-01	11900
2013-07-01	9600
2013-10-01	8900
2014-01-01	11400
2014-04-01	10300
2014-07-01	10700
2014-10-01	10400
2015-01-01	12000
2015-04-01	10900
2015-07-01	9700
2015-10-01	11200
2016-01-01	11700
2016-04-01	10500
2016-07-01	10400
2016-10-01	11300
2017-01-01	11400
2017-04-01	11300
2017-07-01	12300
2017-10-01	12600
2018-01-01	12500
2018-04-01	12600