Quarter	Persons
1998-01-01	334500
1998-04-01	341100
1998-07-01	337800
1998-10-01	326100
1999-01-01	330000
1999-04-01	333600
1999-07-01	331800
1999-10-01	325000
2000-01-01	333900
2000-04-01	335600
2000-07-01	338000
2000-10-01	334400
2001-01-01	334500
2001-04-01	333400
2001-07-01	330500
2001-10-01	333200
2002-01-01	342000
2002-04-01	342600
2002-07-01	340100
2002-10-01	329400
2003-01-01	338200
2003-04-01	348900
2003-07-01	351200
2003-10-01	352100
2004-01-01	342600
2004-04-01	340200
2004-07-01	334600
2004-10-01	342700
2005-01-01	343200
2005-04-01	343500
2005-07-01	342900
2005-10-01	346900
2006-01-01	347400
2006-04-01	349800
2006-07-01	359300
2006-10-01	359900
2007-01-01	363000
2007-04-01	360900
2007-07-01	366400
2007-10-01	369900
2008-01-01	368100
2008-04-01	372000
2008-07-01	372400
2008-10-01	370300
2009-01-01	372700
2009-04-01	373500
2009-07-01	375100
2009-10-01	374600
2010-01-01	375200
2010-04-01	376700
2010-07-01	375900
2010-10-01	378500
2011-01-01	385000
2011-04-01	379600
2011-07-01	379700
2011-10-01	371500
2012-01-01	375700
2012-04-01	378500
2012-07-01	374900
2012-10-01	377700
2013-01-01	382600
2013-04-01	398100
2013-07-01	396600
2013-10-01	401200
2014-01-01	406000
2014-04-01	406000
2014-07-01	400400
2014-10-01	404300
2015-01-01	407000
2015-04-01	414700
2015-07-01	410900
2015-10-01	417500
2016-01-01	411300
2016-04-01	432100
2016-07-01	436700
2016-10-01	430900
2017-01-01	437300
2017-04-01	440200
2017-07-01	450000
2017-10-01	458600
2018-01-01	449100
2018-04-01	450900