Quarterly Persons
1998-04-01 555600
1999-04-01 567400
2000-04-01 565500
2001-04-01 564900
2002-04-01 584500
2003-04-01 591500
2004-04-01 579900
2005-04-01 574500
2006-04-01 606400
2007-04-01 601800
2008-04-01 608500
2009-04-01 617100
2010-01-01 628600
2010-04-01 614700
2010-07-01 651300
2010-10-01 624000
2011-01-01 630200
2011-04-01 618700
2011-07-01 649600
2011-10-01 642300
2012-01-01 625400
2012-04-01 606300
2012-07-01 650200
2012-10-01 632200
2013-01-01 637200
2013-04-01 616100
2013-07-01 635900
2013-10-01 642100
2014-01-01 624900
2014-04-01 617100
2014-07-01 637600
2014-10-01 642400
2015-01-01 616400
2015-04-01 608100
2015-07-01 633700
2015-10-01 641500
2016-01-01 631000
2016-04-01 605600
2016-07-01 633000
2016-10-01 641000
2017-01-01 624100
2017-04-01 604200
2017-07-01 639500
2017-10-01 619500
2018-01-01 601300
2018-04-01 587100