Quarter	Persons
1999-04-01	327400
1999-07-01	327200
1999-10-01	326600
2000-01-01	326500
2000-04-01	326300
2000-07-01	326000
2000-10-01	325200
2001-01-01	325200
2001-04-01	324900
2001-07-01	325000
2001-10-01	325300
2002-01-01	325500
2002-04-01	325800
2002-07-01	326200
2002-10-01	327800
2003-01-01	327300
2003-04-01	325600
2003-07-01	324900
2003-10-01	325600
2004-01-01	324800
2004-04-01	324400
2004-07-01	323900
2004-10-01	326400
2005-01-01	324300
2005-04-01	322900
2005-07-01	323800
2005-10-01	324400
2006-01-01	320800
2006-04-01	324100
2006-07-01	323000
2006-10-01	322000
2007-01-01	333100
2007-04-01	335200
2007-07-01	335500
2007-10-01	335800
2008-01-01	336000
2008-04-01	334900
2008-07-01	332000
2008-10-01	328400
2009-01-01	326300
2009-04-01	324100
2009-07-01	316700
2009-10-01	315500
2010-01-01	312700
2010-04-01	307900
2010-07-01	305400
2010-10-01	299500
2011-01-01	297400
2011-04-01	291700
2011-07-01	290400
2011-10-01	288900
2012-01-01	287300
2012-04-01	285800
2012-07-01	285800
2012-10-01	285800
2013-01-01	285900
2013-04-01	286000
2013-07-01	286800
2013-10-01	287600
2014-01-01	288100
2014-04-01	288500
2014-07-01	289300
2014-10-01	290100
2015-01-01	291000
2015-04-01	291900
2015-07-01	292600
2015-10-01	292800
2016-01-01	292600
2016-04-01	292800
2016-07-01	294700
2016-10-01	296100
2017-01-01	297500
2017-04-01	297900
2017-07-01	299700
2017-10-01	303900
2018-01-01	304700
2018-04-01	308500