Quarter	Persons
1999-04-01	143300
2000-04-01	139400
2001-04-01	140300
2002-04-01	136600
2003-01-01	141900
2003-04-01	141900
2003-07-01	141900
2003-10-01	141900
2004-01-01	140800
2004-04-01	140800
2004-07-01	140800
2004-10-01	140800
2005-01-01	140200
2005-04-01	140200
2005-07-01	140200
2005-10-01	140200
2006-01-01	141900
2006-04-01	141900
2006-07-01	141900
2006-10-01	141900
2007-01-01	140100
2007-04-01	145200
2007-07-01	140600
2007-10-01	142500
2008-01-01	146100
2008-04-01	141600
2008-07-01	142200
2008-10-01	147600
2009-01-01	144200
2009-04-01	141800
2009-07-01	143500
2009-10-01	146900
2010-01-01	148700
2010-04-01	150100
2010-07-01	144100
2010-10-01	147400
2011-01-01	146900
2011-04-01	157100
2011-07-01	153300
2011-10-01	155900
2012-01-01	152300
2012-04-01	154600
2012-07-01	146900
2012-10-01	150100
2013-01-01	151900
2013-04-01	153800
2013-07-01	146500
2013-10-01	148700
2014-01-01	148900
2014-04-01	154000
2014-07-01	149800
2014-10-01	145800
2015-01-01	147100
2015-04-01	148900
2015-07-01	149800
2015-10-01	153500
2016-01-01	160200
2016-04-01	160100
2016-07-01	157300
2016-10-01	155500
2017-01-01	171300
2017-04-01	169600
2017-07-01	159000
2017-10-01	162700
2018-01-01	161900
2018-04-01	166500