Quarter	Persons
1998-04-01	169500
1998-10-01	169500
1999-04-01	167500
1999-10-01	167100
2000-04-01	165600
2000-10-01	165600
2001-04-01	159600
2001-10-01	159600
2002-01-01	155300
2002-04-01	155300
2002-07-01	155300
2002-10-01	155300
2003-01-01	151300
2003-04-01	151300
2003-07-01	151300
2003-10-01	151300
2004-01-01	147900
2004-04-01	147900
2004-07-01	147900
2004-10-01	147900
2005-01-01	145900
2005-04-01	145900
2005-07-01	145900
2005-10-01	145900
2006-01-01	143300
2006-04-01	143300
2006-07-01	143300
2006-10-01	143300
2007-01-01	141000
2007-04-01	141000
2007-07-01	141000
2007-10-01	141000
2008-01-01	139700
2008-04-01	139700
2008-07-01	139700
2008-10-01	139700
2009-01-01	139100
2009-04-01	139100
2009-07-01	139100
2009-10-01	139100
2010-01-01	140400
2010-04-01	140400
2010-07-01	140400
2010-10-01	140400
2011-01-01	142800
2011-04-01	142800
2011-07-01	142800
2011-10-01	142800
2012-01-01	144600
2012-04-01	144600
2012-07-01	144600
2012-10-01	144600
2013-01-01	146100
2013-04-01	146100
2013-07-01	146100
2013-10-01	146100
2014-01-01	146700
2014-04-01	146700
2014-07-01	147200
2014-10-01	147500
2015-01-01	146600
2015-04-01	147400
2015-07-01	148100
2015-10-01	148400
2016-01-01	147800
2016-04-01	148400
2016-07-01	148900
2016-10-01	149100
2017-01-01	148400
2017-04-01	148600
2017-07-01	149100
2017-10-01	149200
2018-01-01	149700
2018-04-01	149700