Quarter	Persons
1999-01-01	450600
1999-04-01	450600
1999-07-01	450500
1999-10-01	450400
2000-01-01	450100
2000-04-01	449900
2000-07-01	450100
2000-10-01	450200
2001-01-01	443400
2001-04-01	443400
2001-07-01	449100
2001-10-01	447000
2002-01-01	450200
2002-04-01	450900
2002-07-01	450800
2002-10-01	450400
2003-01-01	454800
2003-04-01	454900
2003-07-01	454600
2003-10-01	453800
2004-01-01	447300
2004-04-01	447000
2004-07-01	443900
2004-10-01	443700
2005-01-01	446900
2005-04-01	448300
2005-07-01	440700
2005-10-01	442700
2006-01-01	439100
2006-04-01	439000
2006-07-01	437100
2006-10-01	437100
2007-01-01	437500
2007-04-01	436900
2007-07-01	430300
2007-10-01	429800
2008-01-01	430300
2008-04-01	430300
2008-07-01	422100
2008-10-01	422100
2009-01-01	421900
2009-04-01	413900
2009-07-01	414500
2009-10-01	415400
2010-01-01	414000
2010-04-01	401700
2010-07-01	402300
2010-10-01	402300
2011-01-01	383800
2011-04-01	383800
2011-07-01	383800
2011-10-01	383300
2012-01-01	371700
2012-04-01	371700
2012-07-01	371700
2012-10-01	371700
2013-01-01	360000
2013-04-01	360300
2013-07-01	359800
2013-10-01	360300
2014-01-01	348700
2014-04-01	348500
2014-07-01	348700
2014-10-01	348500
2015-01-01	337100
2015-04-01	337300
2015-07-01	337300
2015-10-01	337300
2016-01-01	325400
2016-04-01	325400
2016-07-01	325400
2016-10-01	325400
2017-01-01	312800
2017-04-01	312800
2017-07-01	312800
2017-10-01	312800
2018-01-01	301200
2018-04-01	301200