Quarter	Persons
2000-04-01	22502900
2001-04-01	22334200
2002-04-01	21971000
2003-04-01	21638800
2004-04-01	21626700
2005-01-01	21076100
2005-04-01	20880500
2005-07-01	20937200
2005-10-01	20830700
2006-01-01	20900600
2006-04-01	20751200
2006-07-01	20749600
2006-10-01	20721200
2007-01-01	20766900
2007-04-01	20520100
2007-07-01	20676200
2007-10-01	20797600
2008-01-01	20837800
2008-04-01	20565900
2008-07-01	20657300
2008-10-01	20638600
2009-01-01	20522700
2009-04-01	20228400
2009-07-01	20535900
2009-10-01	20460700
2010-01-01	20286500
2010-04-01	20348800
2010-07-01	20390100
2010-10-01	20434400
2011-01-01	20431100
2011-04-01	20226300
2011-07-01	20234200
2011-10-01	19972300
2012-01-01	19956900
2012-04-01	19600700
2012-07-01	19482800
2012-10-01	19344100
2013-01-01	19320200
2013-04-01	19117000
2013-07-01	18911800
2013-10-01	18775700
2014-01-01	18806400
2014-04-01	18594800
2014-07-01	18521200
2014-10-01	18307000
2015-01-01	18370100
2015-04-01	18098800
2015-07-01	18083900
2015-10-01	17944800
2016-01-01	17832900
2016-04-01	17594500
2016-07-01	17531200
2016-10-01	17473400
2017-01-01	17512900
2017-04-01	17191300
2017-07-01	17250300
2017-10-01	16978600
2018-01-01	17080500
2018-04-01	16968200