Quarter	Persons
1998-04-01	142100
1999-04-01	143800
2000-04-01	145400
2001-04-01	148200
2002-04-01	148600
2003-01-01	151000
2003-04-01	151000
2003-07-01	151000
2003-10-01	151000
2004-01-01	152100
2004-04-01	152100
2004-07-01	152100
2004-10-01	152100
2005-01-01	153200
2005-04-01	153200
2005-07-01	153200
2005-10-01	153200
2006-01-01	152500
2006-04-01	152500
2006-07-01	152500
2006-10-01	152500
2007-01-01	156800
2007-04-01	157100
2007-07-01	157200
2007-10-01	156500
2008-01-01	159800
2008-04-01	163100
2008-07-01	161600
2008-10-01	160500
2009-01-01	167300
2009-04-01	166600
2009-07-01	166500
2009-10-01	168000
2010-01-01	169500
2010-04-01	170200
2010-07-01	166300
2010-10-01	169900
2011-01-01	173800
2011-04-01	174700
2011-07-01	175000
2011-10-01	174600
2012-01-01	180000
2012-04-01	178900
2012-07-01	180400
2012-10-01	180200
2013-01-01	183200
2013-04-01	183700
2013-07-01	181100
2013-10-01	181500
2014-01-01	184300
2014-04-01	185700
2014-07-01	183300
2014-10-01	185000
2015-01-01	196000
2015-04-01	196000
2015-07-01	196000
2015-10-01	196000
2016-01-01	201400
2016-04-01	201400
2016-07-01	201400
2016-10-01	201200
2017-01-01	207100
2017-04-01	206900
2017-07-01	206800
2017-10-01	206800
2018-01-01	211100
2018-04-01	211100