Quarter	Persons, Seasonally Adjusted
1998-04-01	343700
1999-04-01	358000
2000-04-01	353400
2001-04-01	329600
2002-04-01	313100
2003-04-01	316100
2004-04-01	313100
2005-04-01	305900
2006-04-01	308500
2007-04-01	298400
2008-04-01	273100
2009-04-01	271200
2010-01-01	312600
2010-04-01	305600
2010-07-01	305100
2010-10-01	303600
2011-01-01	294200
2011-04-01	296200
2011-07-01	301200
2011-10-01	281600
2012-01-01	287100
2012-04-01	283800
2012-07-01	282300
2012-10-01	278200
2013-01-01	284800
2013-04-01	286700
2013-07-01	289000
2013-10-01	284600
2014-01-01	277700
2014-04-01	273000
2014-07-01	270400
2014-10-01	251900
2015-01-01	266400
2015-04-01	265500
2015-07-01	276800
2015-10-01	267600
2016-01-01	239900
2016-04-01	267000
2016-07-01	272100
2016-10-01	254200
2017-01-01	249800
2017-04-01	264600
2017-07-01	264000
2017-10-01	256500
2018-01-01	250100
2018-04-01	250100