Quarter	Persons
1998-01-01	12704400
1998-04-01	12827600
1998-07-01	12959900
1998-10-01	12869400
1999-01-01	12772200
1999-04-01	12889900
1999-07-01	13030600
1999-10-01	12988500
2000-01-01	12853300
2000-04-01	12992100
2000-07-01	13213200
2000-10-01	13244200
2001-01-01	13112700
2001-04-01	13116000
2001-07-01	13297800
2001-10-01	13277500
2002-01-01	13244600
2002-04-01	13295600
2002-07-01	13402100
2002-10-01	13386500
2003-01-01	13319400
2003-04-01	13414000
2003-07-01	13517800
2003-10-01	13499200
2004-01-01	13108100
2004-04-01	13319000
2004-07-01	13401600
2004-10-01	13318600
2005-01-01	13219300
2005-04-01	13373600
2005-07-01	13361200
2005-10-01	13341600
2006-01-01	13359700
2006-04-01	13574300
2006-07-01	13501500
2006-10-01	13415500
2007-01-01	13339300
2007-04-01	13567300
2007-07-01	13628700
2007-10-01	13526500
2008-01-01	13380800
2008-04-01	13615300
2008-07-01	13607200
2008-10-01	13448800
2009-01-01	13217600
2009-04-01	13329400
2009-07-01	13304600
2009-10-01	13157300
2010-01-01	13060000
2010-04-01	13134700
2010-07-01	13086300
2010-10-01	13071500
2011-01-01	13010400
2011-04-01	13122800
2011-07-01	13115500
2011-10-01	12949300
2012-01-01	12805700
2012-04-01	12926900
2012-07-01	12955900
2012-10-01	12802600
2013-01-01	12536000
2013-04-01	12575600
2013-07-01	12638600
2013-10-01	12585700
2014-01-01	12429200
2014-04-01	12613700
2014-07-01	12705500
2014-10-01	12611500
2015-01-01	12481100
2015-04-01	12688600
2015-07-01	12920400
2015-10-01	12781100
2016-01-01	12651700
2016-04-01	12954900
2016-07-01	12955500
2016-10-01	12849000
2017-01-01	12788000
2017-04-01	12956700
2017-07-01	13056900
2017-10-01	12935000
2018-01-01	12804300
2018-04-01	13094500