Quarter	Persons
1999-04-01	267000
2000-01-01	280500
2000-04-01	282400
2000-07-01	290900
2000-10-01	288300
2001-01-01	282900
2001-04-01	286000
2001-07-01	284300
2001-10-01	283700
2002-01-01	283500
2002-04-01	283500
2002-07-01	281100
2002-10-01	282500
2003-01-01	281900
2003-04-01	281700
2003-07-01	281900
2003-10-01	281000
2004-01-01	277800
2004-04-01	278000
2004-07-01	278900
2004-10-01	276500
2005-01-01	277400
2005-04-01	278600
2005-07-01	275600
2005-10-01	277300
2006-01-01	277500
2006-04-01	277100
2006-07-01	277400
2006-10-01	278300
2007-01-01	276300
2007-04-01	276000
2007-07-01	276000
2007-10-01	275900
2008-01-01	275400
2008-04-01	275400
2008-07-01	275000
2008-10-01	273500
2009-01-01	274100
2009-04-01	274800
2009-07-01	275600
2009-10-01	274300
2010-01-01	274100
2010-04-01	274000
2010-07-01	276100
2010-10-01	275300
2011-01-01	274500
2011-04-01	275200
2011-07-01	275200
2011-10-01	275200
2012-01-01	274700
2012-04-01	274200
2012-07-01	274300
2012-10-01	274700
2013-01-01	274600
2013-04-01	274500
2013-07-01	274200
2013-10-01	273600
2014-01-01	274500
2014-04-01	274700
2014-07-01	274600
2014-10-01	274100
2015-01-01	275600
2015-04-01	275400
2015-07-01	275300
2015-10-01	274700
2016-01-01	275600
2016-04-01	275800
2016-07-01	275400
2016-10-01	276700
2017-01-01	276200
2017-04-01	276200
2017-07-01	275800
2017-10-01	276600
2018-01-01	277900
2018-04-01	277600