Quarter	Persons
1999-01-01	427900
1999-04-01	433100
1999-07-01	423900
1999-10-01	426000
2000-01-01	434200
2000-04-01	434600
2000-07-01	418500
2000-10-01	412600
2001-01-01	425400
2001-04-01	438400
2001-07-01	434800
2001-10-01	438500
2002-01-01	446300
2002-04-01	444600
2002-07-01	438900
2002-10-01	445800
2003-01-01	439900
2003-04-01	440900
2003-07-01	433200
2003-10-01	440100
2004-01-01	445700
2004-04-01	451600
2004-07-01	446500
2004-10-01	446300
2005-01-01	447500
2005-04-01	450500
2005-07-01	444900
2005-10-01	443600
2006-01-01	450600
2006-04-01	447800
2006-07-01	434700
2006-10-01	432200
2007-01-01	440400
2007-04-01	443400
2007-07-01	439400
2007-10-01	442000
2008-01-01	445600
2008-04-01	445500
2008-07-01	432800
2008-10-01	444800
2009-01-01	451100
2009-04-01	445900
2009-07-01	438200
2009-10-01	440200
2010-01-01	444100
2010-04-01	443600
2010-07-01	438000
2010-10-01	437400
2011-01-01	441000
2011-04-01	442700
2011-07-01	433200
2011-10-01	442300
2012-01-01	447400
2012-04-01	439600
2012-07-01	422500
2012-10-01	414300
2013-01-01	420200
2013-04-01	415100
2013-07-01	393500
2013-10-01	393300
2014-01-01	390300
2014-04-01	389000
2014-07-01	379800
2014-10-01	380100
2015-01-01	379900
2015-04-01	370900
2015-07-01	362000
2015-10-01	362400
2016-01-01	359300
2016-04-01	350900
2016-07-01	345300
2016-10-01	345300
2017-01-01	350300
2017-04-01	340300
2017-07-01	334300
2017-10-01	334200
2018-01-01	338500
2018-04-01	333800