Quarter	Persons, Seasonally Adjusted
1999-01-01	225400
1999-04-01	226100
1999-07-01	227100
1999-10-01	227800
2000-01-01	229000
2000-04-01	229700
2000-07-01	232400
2000-10-01	231900
2001-01-01	232000
2001-04-01	231700
2001-07-01	230700
2001-10-01	232800
2002-01-01	231800
2002-04-01	232800
2002-07-01	231600
2002-10-01	230300
2003-01-01	230700
2003-04-01	228700
2003-07-01	227000
2003-10-01	226100
2004-01-01	237600
2004-04-01	233500
2004-07-01	238000
2004-10-01	236700
2005-01-01	235500
2005-04-01	231700
2005-07-01	237100
2005-10-01	234500
2006-01-01	243700
2006-04-01	238700
2006-07-01	238100
2006-10-01	236300
2007-01-01	236000
2007-04-01	232100
2007-07-01	241800
2007-10-01	238400
2008-01-01	235600
2008-04-01	234500
2008-07-01	237200
2008-10-01	238400
2009-01-01	237900
2009-04-01	241500
2009-07-01	238600
2009-10-01	239700
2010-01-01	233200
2010-04-01	237500
2010-07-01	237400
2010-10-01	236600
2011-01-01	245000
2011-04-01	239900
2011-07-01	235100
2011-10-01	232100
2012-01-01	236300
2012-04-01	232800
2012-07-01	231700
2012-10-01	230600
2013-01-01	228700
2013-04-01	228100
2013-07-01	228100
2013-10-01	224500
2014-01-01	229300
2014-04-01	226100
2014-07-01	221000
2014-10-01	216100
2015-01-01	212800
2015-04-01	213000
2015-07-01	208400
2015-10-01	203700
2016-01-01	207100
2016-04-01	199400
2016-07-01	198100
2016-10-01	194400
2017-01-01	186900
2017-04-01	178900
2017-07-01	179600
2017-10-01	173900
2018-01-01	176600
2018-04-01	178500