Quarter	Persons
1998-04-01	146100
1999-04-01	123600
2000-04-01	137400
2001-04-01	135400
2002-04-01	132600
2003-04-01	133300
2004-04-01	145100
2005-04-01	152000
2006-04-01	143200
2007-04-01	155800
2008-04-01	150700
2009-04-01	141500
2010-01-01	143700
2010-04-01	160000
2010-07-01	136300
2010-10-01	152800
2011-01-01	147100
2011-04-01	151200
2011-07-01	137900
2011-10-01	148100
2012-01-01	148700
2012-04-01	162800
2012-07-01	144300
2012-10-01	160300
2013-01-01	153100
2013-04-01	159700
2013-07-01	145800
2013-10-01	142700
2014-01-01	152300
2014-04-01	156400
2014-07-01	149100
2014-10-01	134600
2015-01-01	146600
2015-04-01	154900
2015-07-01	141200
2015-10-01	132100
2016-01-01	141700
2016-04-01	146400
2016-07-01	133700
2016-10-01	136000
2017-01-01	139800
2017-04-01	153200
2017-07-01	136400
2017-10-01	141400
2018-01-01	145400
2018-04-01	156700