Quarter	Persons
1998-04-01	836500
1998-10-01	836500
1999-04-01	836700
1999-10-01	834300
2000-04-01	835000
2000-10-01	835000
2001-04-01	822600
2001-10-01	822600
2002-01-01	815400
2002-04-01	815400
2002-07-01	815400
2002-10-01	815400
2003-01-01	810900
2003-04-01	810900
2003-07-01	810900
2003-10-01	810900
2004-01-01	803400
2004-04-01	803400
2004-07-01	803400
2004-10-01	803400
2005-01-01	794100
2005-04-01	794100
2005-07-01	794100
2005-10-01	794100
2006-01-01	785900
2006-04-01	785900
2006-07-01	785900
2006-10-01	785900
2007-01-01	776700
2007-04-01	776700
2007-07-01	776700
2007-10-01	776700
2008-01-01	768700
2008-04-01	768700
2008-07-01	768700
2008-10-01	768700
2009-01-01	755500
2009-04-01	755500
2009-07-01	755500
2009-10-01	755500
2010-01-01	737700
2010-04-01	737700
2010-07-01	737700
2010-10-01	737700
2011-01-01	720000
2011-04-01	720000
2011-07-01	720000
2011-10-01	720000
2012-01-01	704100
2012-04-01	704100
2012-07-01	704100
2012-10-01	704100
2013-01-01	691300
2013-04-01	691300
2013-07-01	691300
2013-10-01	691300
2014-01-01	675300
2014-04-01	672200
2014-07-01	668900
2014-10-01	666500
2015-01-01	662500
2015-04-01	659500
2015-07-01	656100
2015-10-01	653400
2016-01-01	651200
2016-04-01	648200
2016-07-01	645000
2016-10-01	642400
2017-01-01	639200
2017-04-01	635500
2017-07-01	632300
2017-10-01	629800
2018-01-01	628100
2018-04-01	627400