Quarter	Persons
1998-04-01	482300
1999-04-01	481500
2000-01-01	495400
2000-04-01	501200
2000-07-01	508400
2000-10-01	511800
2001-01-01	504500
2001-04-01	506400
2001-07-01	503500
2001-10-01	504700
2002-01-01	500300
2002-04-01	498000
2002-07-01	497200
2002-10-01	497400
2003-01-01	495700
2003-04-01	495400
2003-07-01	497700
2003-10-01	495500
2004-01-01	490700
2004-04-01	493300
2004-07-01	492500
2004-10-01	491700
2005-01-01	492200
2005-04-01	491700
2005-07-01	489500
2005-10-01	495500
2006-01-01	494100
2006-04-01	494500
2006-07-01	494300
2006-10-01	494600
2007-01-01	491800
2007-04-01	491600
2007-07-01	491700
2007-10-01	491200
2008-01-01	490100
2008-04-01	489300
2008-07-01	488900
2008-10-01	486200
2009-01-01	484700
2009-04-01	486800
2009-07-01	488600
2009-10-01	487100
2010-01-01	485100
2010-04-01	484100
2010-07-01	486000
2010-10-01	485500
2011-01-01	482800
2011-04-01	482800
2011-07-01	482900
2011-10-01	482700
2012-01-01	478200
2012-04-01	477000
2012-07-01	478000
2012-10-01	478400
2013-01-01	473500
2013-04-01	475000
2013-07-01	476000
2013-10-01	474700
2014-01-01	472000
2014-04-01	472200
2014-07-01	472300
2014-10-01	469700
2015-01-01	469900
2015-04-01	470000
2015-07-01	470500
2015-10-01	468400
2016-01-01	470000
2016-04-01	469500
2016-07-01	468200
2016-10-01	470800
2017-01-01	467300
2017-04-01	469500
2017-07-01	469500
2017-10-01	467300
2018-01-01	470100
2018-04-01	471400