Quarterly Persons
1998-01-01 17804800
1998-04-01 18100700
1998-07-01 18118400
1998-10-01 18221300
1999-01-01 18200200
1999-04-01 18397700
1999-07-01 18444800
1999-10-01 18516500
2000-01-01 18486000
2000-04-01 18657500
2000-07-01 18783800
2000-10-01 18914300
2001-01-01 18970600
2001-04-01 19035400
2001-07-01 19152800
2001-10-01 19171200
2002-01-01 19231700
2002-04-01 19335600
2002-07-01 19323400
2002-10-01 19388000
2003-01-01 19373900
2003-04-01 19514400
2003-07-01 19437400
2003-10-01 19476500
2004-01-01 19507300
2004-04-01 19568600
2004-07-01 19483300
2004-10-01 19738000
2005-01-01 19621900
2005-04-01 19686900
2005-07-01 19470800
2005-10-01 19784300
2006-01-01 19765600
2006-04-01 19883100
2006-07-01 19585800
2006-10-01 19829100
2007-01-01 19543600
2007-04-01 19682900
2007-07-01 19705000
2007-10-01 19964000
2008-01-01 19948800
2008-04-01 20104600
2008-07-01 19883100
2008-10-01 20026500
2009-01-01 19851900
2009-04-01 19907900
2009-07-01 19698100
2009-10-01 19860100
2010-01-01 19769100
2010-04-01 19851700
2010-07-01 19518000
2010-10-01 19780200
2011-01-01 19711800
2011-04-01 19777400
2011-07-01 19531500
2011-10-01 19779400
2012-01-01 19933900
2012-04-01 20027600
2012-07-01 19704500
2012-10-01 20033200
2013-01-01 19967800
2013-04-01 19831700
2013-07-01 19484600
2013-10-01 19799800
2014-01-01 19816000
2014-04-01 19663100
2014-07-01 19482800
2014-10-01 19862900
2015-01-01 19590300
2015-04-01 19626000
2015-07-01 19347400
2015-10-01 19584800
2016-01-01 19440800
2016-04-01 19691800
2016-07-01 19441500
2016-10-01 19583100
2017-01-01 19518500
2017-04-01 19480700
2017-07-01 19350600
2017-10-01 19356800
2018-01-01 19221600
2018-04-01 19463600