Quarter	Persons, Seasonally Adjusted
2007-01-01	3900
2007-04-01	2700
2007-07-01	3400
2007-10-01	2900
2008-01-01	4300
2008-04-01	4800
2008-07-01	3100
2008-10-01	2300
2009-01-01	4800
2009-04-01	4400
2009-07-01	3500
2009-10-01	4400
2010-01-01	4600
2010-04-01	2900
2010-07-01	4900
2010-10-01	4800
2011-01-01	5800
2011-04-01	5200
2011-07-01	4200
2011-10-01	4200
2012-01-01	5200
2012-04-01	4200
2012-07-01	5800
2012-10-01	4300
2013-01-01	5000
2013-04-01	6300
2013-07-01	5200
2013-10-01	7200
2014-01-01	3200
2014-04-01	5100
2014-07-01	5800
2014-10-01	5900
2015-01-01	8200
2015-04-01	6100
2015-07-01	8300
2015-10-01	5500
2016-01-01	5600
2016-04-01	6000
2016-07-01	7000
2016-10-01	5500
2017-01-01	5700
2017-04-01	5200
2017-07-01	5900
2017-10-01	5300
2018-01-01	7000
2018-04-01	6700