Quarter	Persons, Seasonally Adjusted
1999-01-01	241500
1999-04-01	248300
1999-07-01	242600
1999-10-01	241200
2000-01-01	250600
2000-04-01	254700
2000-07-01	246300
2000-10-01	240000
2001-01-01	243300
2001-04-01	249000
2001-07-01	246500
2001-10-01	251500
2002-01-01	264100
2002-04-01	262000
2002-07-01	264500
2002-10-01	260200
2003-01-01	271100
2003-04-01	265900
2003-07-01	264400
2003-10-01	267100
2004-01-01	264200
2004-04-01	273500
2004-07-01	278600
2004-10-01	282400
2005-01-01	282900
2005-04-01	290200
2005-07-01	287800
2005-10-01	287000
2006-01-01	283600
2006-04-01	289100
2006-07-01	288900
2006-10-01	288200
2007-01-01	296500
2007-04-01	302800
2007-07-01	313500
2007-10-01	310500
2008-01-01	306100
2008-04-01	314500
2008-07-01	311300
2008-10-01	305100
2009-01-01	310200
2009-04-01	307400
2009-07-01	309100
2009-10-01	309500
2010-01-01	319100
2010-04-01	321200
2010-07-01	323000
2010-10-01	327500
2011-01-01	320600
2011-04-01	322700
2011-07-01	321400
2011-10-01	313100
2012-01-01	322200
2012-04-01	327200
2012-07-01	333400
2012-10-01	324500
2013-01-01	322400
2013-04-01	332400
2013-07-01	328400
2013-10-01	332800
2014-01-01	329500
2014-04-01	332200
2014-07-01	341400
2014-10-01	340800
2015-01-01	352200
2015-04-01	357200
2015-07-01	359900
2015-10-01	355300
2016-01-01	356900
2016-04-01	367000
2016-07-01	368600
2016-10-01	378700
2017-01-01	383400
2017-04-01	398900
2017-07-01	406700
2017-10-01	407200
2018-01-01	424200
2018-04-01	430700