Quarter	Persons, Seasonally Adjusted
2007-01-01	4700
2007-04-01	5000
2007-07-01	3400
2007-10-01	3700
2008-01-01	2800
2008-04-01	5300
2008-07-01	6300
2008-10-01	6500
2009-01-01	6500
2009-04-01	5600
2009-07-01	4800
2009-10-01	5800
2010-01-01	5900
2010-04-01	5400
2010-07-01	3600
2010-10-01	4800
2011-01-01	4400
2011-04-01	5700
2011-07-01	4700
2011-10-01	5600
2012-01-01	8000
2012-04-01	4600
2012-07-01	6400
2012-10-01	6000
2013-01-01	7700
2013-04-01	8000
2013-07-01	7700
2013-10-01	7300
2014-01-01	12200
2014-04-01	6500
2014-07-01	8000
2014-10-01	7600
2015-01-01	9500
2015-04-01	7200
2015-07-01	10500
2015-10-01	9600
2016-01-01	8000
2016-04-01	8600
2016-07-01	10500
2016-10-01	9500
2017-01-01	10300
2017-04-01	8400
2017-07-01	7800
2017-10-01	7700
2018-01-01	7900
2018-04-01	8300