Quarter	Persons
1999-04-01	315000
1999-07-01	315000
1999-10-01	315000
2000-01-01	314900
2000-04-01	315000
2000-07-01	314600
2000-10-01	313800
2001-01-01	313600
2001-04-01	313600
2001-07-01	313900
2001-10-01	314800
2002-01-01	315200
2002-04-01	315800
2002-07-01	316600
2002-10-01	318400
2003-01-01	319000
2003-04-01	317200
2003-07-01	317500
2003-10-01	319000
2004-01-01	319600
2004-04-01	315300
2004-07-01	315400
2004-10-01	317800
2005-01-01	316200
2005-04-01	314600
2005-07-01	316000
2005-10-01	318000
2006-01-01	311800
2006-04-01	314200
2006-07-01	314000
2006-10-01	313800
2007-01-01	326400
2007-04-01	328500
2007-07-01	329900
2007-10-01	331400
2008-01-01	332500
2008-04-01	332100
2008-07-01	330000
2008-10-01	328300
2009-01-01	327100
2009-04-01	325200
2009-07-01	318400
2009-10-01	315200
2010-01-01	312300
2010-04-01	308100
2010-07-01	299400
2010-10-01	293000
2011-01-01	291100
2011-04-01	287600
2011-07-01	285300
2011-10-01	283700
2012-01-01	282100
2012-04-01	280700
2012-07-01	279900
2012-10-01	279100
2013-01-01	278200
2013-04-01	277300
2013-07-01	277700
2013-10-01	277800
2014-01-01	278200
2014-04-01	278700
2014-07-01	278800
2014-10-01	279200
2015-01-01	279500
2015-04-01	279700
2015-07-01	281000
2015-10-01	281700
2016-01-01	281400
2016-04-01	281900
2016-07-01	283800
2016-10-01	285600
2017-01-01	285900
2017-04-01	286800
2017-07-01	288600
2017-10-01	292300
2018-01-01	293700
2018-04-01	297000