Quarter	Persons
1998-04-01	452300
1999-01-01	436300
1999-04-01	441600
1999-07-01	441700
1999-10-01	436000
2000-01-01	437900
2000-04-01	443900
2000-07-01	455500
2000-10-01	443800
2001-01-01	443800
2001-04-01	443600
2001-07-01	455800
2001-10-01	448800
2002-01-01	450300
2002-04-01	451100
2002-07-01	447400
2002-10-01	433600
2003-01-01	434600
2003-04-01	439400
2003-07-01	436100
2003-10-01	443200
2004-01-01	451900
2004-04-01	464000
2004-07-01	473600
2004-10-01	456800
2005-01-01	460000
2005-04-01	462900
2005-07-01	471300
2005-10-01	471700
2006-01-01	469600
2006-04-01	480400
2006-07-01	472200
2006-10-01	463700
2007-01-01	464700
2007-04-01	478800
2007-07-01	480000
2007-10-01	469100
2008-01-01	466300
2008-04-01	473500
2008-07-01	485100
2008-10-01	479600
2009-01-01	469900
2009-04-01	476100
2009-07-01	486600
2009-10-01	478400
2010-01-01	474700
2010-04-01	479300
2010-07-01	473600
2010-10-01	476500
2011-01-01	463700
2011-04-01	465500
2011-07-01	470400
2011-10-01	473700
2012-01-01	473200
2012-04-01	462000
2012-07-01	469000
2012-10-01	467100
2013-01-01	456700
2013-04-01	461900
2013-07-01	467800
2013-10-01	460200
2014-01-01	464300
2014-04-01	475200
2014-07-01	467600
2014-10-01	459700
2015-01-01	453600
2015-04-01	469000
2015-07-01	469200
2015-10-01	460900
2016-01-01	456400
2016-04-01	465500
2016-07-01	462700
2016-10-01	470300
2017-01-01	473600
2017-04-01	473300
2017-07-01	485300
2017-10-01	484000
2018-01-01	477500
2018-04-01	478800