Quarter	Persons
2000-04-01	21850100
2001-04-01	21936400
2002-04-01	21869700
2003-04-01	22022600
2004-04-01	21870100
2005-01-01	22195000
2005-04-01	21941300
2005-07-01	21294600
2005-10-01	21868000
2006-01-01	21956700
2006-04-01	21933400
2006-07-01	21191800
2006-10-01	21666100
2007-01-01	21781000
2007-04-01	21711100
2007-07-01	20717900
2007-10-01	21457900
2008-01-01	21510600
2008-04-01	21396900
2008-07-01	20721900
2008-10-01	21368800
2009-01-01	21563000
2009-04-01	21475600
2009-07-01	20851300
2009-10-01	21588700
2010-01-01	21619200
2010-04-01	21522800
2010-07-01	21056900
2010-10-01	21439900
2011-01-01	21546500
2011-04-01	21510600
2011-07-01	20921400
2011-10-01	21300100
2012-01-01	21630600
2012-04-01	21445600
2012-07-01	20858300
2012-10-01	21304500
2013-01-01	21472200
2013-04-01	21411800
2013-07-01	20900300
2013-10-01	21355000
2014-01-01	21770700
2014-04-01	21809100
2014-07-01	21114300
2014-10-01	21538700
2015-01-01	21755700
2015-04-01	21813500
2015-07-01	21144400
2015-10-01	21552100
2016-01-01	21970700
2016-04-01	21754500
2016-07-01	21144800
2016-10-01	21532200
2017-01-01	21872900
2017-04-01	21750800
2017-07-01	21051700
2017-10-01	21406600
2018-01-01	21791100
2018-04-01	21599200