Quarter	Persons, Seasonally Adjusted
1998-04-01	168600
1999-04-01	176900
2000-04-01	180600
2001-04-01	170200
2002-04-01	167500
2003-04-01	166300
2004-04-01	152600
2005-04-01	154100
2006-04-01	153100
2007-04-01	163600
2008-04-01	140000
2009-04-01	131200
2010-01-01	135500
2010-04-01	132600
2010-07-01	138600
2010-10-01	148900
2011-01-01	139100
2011-04-01	145200
2011-07-01	145200
2011-10-01	148300
2012-01-01	150200
2012-04-01	149500
2012-07-01	147200
2012-10-01	144200
2013-01-01	138500
2013-04-01	145800
2013-07-01	158300
2013-10-01	155700
2014-01-01	152100
2014-04-01	152200
2014-07-01	154300
2014-10-01	160700
2015-01-01	151500
2015-04-01	149400
2015-07-01	150900
2015-10-01	155800
2016-01-01	156800
2016-04-01	153600
2016-07-01	147300
2016-10-01	145400
2017-01-01	134700
2017-04-01	140400
2017-07-01	145000
2017-10-01	142700
2018-01-01	135100
2018-04-01	144800