Quarter	Persons
1998-04-01	296300
1999-04-01	286800
2000-04-01	297400
2001-04-01	291100
2002-04-01	301400
2003-04-01	304700
2004-04-01	298900
2005-04-01	295800
2006-04-01	315200
2007-04-01	319100
2008-04-01	314400
2009-04-01	309300
2009-10-01	309300
2010-01-01	318100
2010-04-01	320400
2010-07-01	334200
2010-10-01	322400
2011-01-01	322200
2011-04-01	315300
2011-07-01	333400
2011-10-01	334500
2012-01-01	317300
2012-04-01	313000
2012-07-01	339300
2012-10-01	336200
2013-01-01	333000
2013-04-01	319500
2013-07-01	326100
2013-10-01	328300
2014-01-01	320900
2014-04-01	318200
2014-07-01	332600
2014-10-01	322600
2015-01-01	308000
2015-04-01	309000
2015-07-01	322700
2015-10-01	320800
2016-01-01	320500
2016-04-01	302100
2016-07-01	318900
2016-10-01	329800
2017-01-01	318000
2017-04-01	313700
2017-07-01	335200
2017-10-01	320700
2018-01-01	307400
2018-04-01	306500