Quarter	Persons
1998-04-01	282800
1999-04-01	292500
2000-04-01	293300
2001-04-01	317300
2002-04-01	311200
2003-04-01	322900
2004-04-01	327500
2005-04-01	327800
2006-04-01	335600
2007-04-01	346300
2008-04-01	352600
2009-04-01	356100
2010-01-01	346600
2010-04-01	352900
2010-07-01	353300
2010-10-01	356000
2011-01-01	356800
2011-04-01	358600
2011-07-01	364200
2011-10-01	363100
2012-01-01	359000
2012-04-01	363500
2012-07-01	372000
2012-10-01	370900
2013-01-01	371300
2013-04-01	372500
2013-07-01	376000
2013-10-01	379800
2014-01-01	375200
2014-04-01	374200
2014-07-01	376400
2014-10-01	386500
2015-01-01	390400
2015-04-01	387300
2015-07-01	382500
2015-10-01	391300
2016-01-01	387800
2016-04-01	397400
2016-07-01	407400
2016-10-01	407300
2017-01-01	406600
2017-04-01	417500
2017-07-01	421800
2017-10-01	426900
2018-01-01	420300
2018-04-01	435500