Quarter	Persons
1999-04-01	4200
2000-04-01	4300
2001-04-01	3400
2002-04-01	5100
2003-01-01	7100
2003-04-01	7100
2003-07-01	7100
2003-10-01	7100
2004-01-01	10200
2004-04-01	10200
2004-07-01	10200
2004-10-01	10200
2005-01-01	9100
2005-04-01	9100
2005-07-01	9100
2005-10-01	9100
2006-01-01	9700
2006-04-01	9700
2006-07-01	9700
2006-10-01	9700
2007-01-01	9700
2007-04-01	8200
2007-07-01	8500
2007-10-01	8000
2008-01-01	8900
2008-04-01	11000
2008-07-01	11800
2008-10-01	11300
2009-01-01	12900
2009-04-01	11700
2009-07-01	9900
2009-10-01	12100
2010-01-01	11200
2010-04-01	9500
2010-07-01	8900
2010-10-01	10600
2011-01-01	12500
2011-04-01	12400
2011-07-01	10200
2011-10-01	11100
2012-01-01	14500
2012-04-01	9700
2012-07-01	14400
2012-10-01	12600
2013-01-01	13800
2013-04-01	15600
2013-07-01	14100
2013-10-01	15700
2014-01-01	17000
2014-04-01	12900
2014-07-01	16400
2014-10-01	14500
2015-01-01	20200
2015-04-01	14900
2015-07-01	21300
2015-10-01	17000
2016-01-01	16400
2016-04-01	17100
2016-07-01	19800
2016-10-01	16600
2017-01-01	17400
2017-04-01	15100
2017-07-01	15800
2017-10-01	14800
2018-01-01	16400
2018-04-01	16000