Quarter	Persons
1999-04-01	484500
2000-01-01	503500
2000-04-01	511600
2000-07-01	506800
2000-10-01	505400
2001-01-01	506400
2001-04-01	502800
2001-07-01	503500
2001-10-01	501500
2002-01-01	496000
2002-04-01	488700
2002-07-01	487300
2002-10-01	494100
2003-01-01	493000
2003-04-01	491300
2003-07-01	490900
2003-10-01	490200
2004-01-01	489000
2004-04-01	489000
2004-07-01	490100
2004-10-01	485400
2005-01-01	489100
2005-04-01	488400
2005-07-01	479900
2005-10-01	489900
2006-01-01	503400
2006-04-01	504700
2006-07-01	500300
2006-10-01	504200
2007-01-01	494100
2007-04-01	497500
2007-07-01	499400
2007-10-01	494100
2008-01-01	487700
2008-04-01	490900
2008-07-01	498300
2008-10-01	491500
2009-01-01	484200
2009-04-01	488800
2009-07-01	490000
2009-10-01	492000
2010-01-01	490800
2010-04-01	488900
2010-07-01	487800
2010-10-01	492000
2011-01-01	486400
2011-04-01	487700
2011-07-01	493200
2011-10-01	485900
2012-01-01	479500
2012-04-01	481300
2012-07-01	485700
2012-10-01	483100
2013-01-01	480100
2013-04-01	478500
2013-07-01	478900
2013-10-01	482600
2014-01-01	474000
2014-04-01	476400
2014-07-01	479000
2014-10-01	475400
2015-01-01	472000
2015-04-01	479600
2015-07-01	484600
2015-10-01	483800
2016-01-01	474500
2016-04-01	482000
2016-07-01	483100
2016-10-01	477400
2017-01-01	475800
2017-04-01	483900
2017-07-01	482700
2017-10-01	485700
2018-01-01	480600
2018-04-01	479000