Quarter	Persons, Seasonally Adjusted
1999-01-01	346900
1999-04-01	348800
1999-07-01	351900
1999-10-01	350600
2000-01-01	354100
2000-04-01	354200
2000-07-01	357800
2000-10-01	355700
2001-01-01	356500
2001-04-01	353200
2001-07-01	351800
2001-10-01	350000
2002-01-01	346800
2002-04-01	348600
2002-07-01	346500
2002-10-01	342300
2003-01-01	344600
2003-04-01	340500
2003-07-01	335400
2003-10-01	334400
2004-01-01	349600
2004-04-01	344100
2004-07-01	349500
2004-10-01	347300
2005-01-01	344300
2005-04-01	340000
2005-07-01	345700
2005-10-01	341900
2006-01-01	356800
2006-04-01	355700
2006-07-01	352900
2006-10-01	352100
2007-01-01	350800
2007-04-01	345400
2007-07-01	354200
2007-10-01	352800
2008-01-01	347900
2008-04-01	344400
2008-07-01	348100
2008-10-01	350800
2009-01-01	355300
2009-04-01	366100
2009-07-01	360600
2009-10-01	361600
2010-01-01	352800
2010-04-01	359900
2010-07-01	362500
2010-10-01	363300
2011-01-01	380200
2011-04-01	373100
2011-07-01	367700
2011-10-01	365400
2012-01-01	374100
2012-04-01	365400
2012-07-01	365900
2012-10-01	359300
2013-01-01	366200
2013-04-01	364300
2013-07-01	365800
2013-10-01	367800
2014-01-01	373900
2014-04-01	368800
2014-07-01	362600
2014-10-01	358800
2015-01-01	359200
2015-04-01	360800
2015-07-01	354200
2015-10-01	346900
2016-01-01	350100
2016-04-01	334300
2016-07-01	340100
2016-10-01	334400
2017-01-01	329100
2017-04-01	319300
2017-07-01	318800
2017-10-01	312000
2018-01-01	312100
2018-04-01	316000