Quarter	Persons
1998-01-01	411700
1998-04-01	419000
1998-07-01	424000
1998-10-01	413200
1999-01-01	394200
1999-04-01	399300
1999-07-01	401000
1999-10-01	398900
2000-01-01	392700
2000-04-01	398400
2000-07-01	402300
2000-10-01	408600
2001-01-01	380800
2001-04-01	387800
2001-07-01	398700
2001-10-01	378200
2002-01-01	377700
2002-04-01	387300
2002-07-01	387200
2002-10-01	369100
2003-01-01	370100
2003-04-01	368700
2003-07-01	350400
2003-10-01	334300
2004-01-01	378000
2004-04-01	381700
2004-07-01	368200
2004-10-01	359100
2005-01-01	352500
2005-04-01	342700
2005-07-01	332500
2005-10-01	322800
2006-01-01	335300
2006-04-01	323500
2006-07-01	315600
2006-10-01	298000
2007-01-01	305100
2007-04-01	311600
2007-07-01	312300
2007-10-01	301400
2008-01-01	286600
2008-04-01	300600
2008-07-01	294900
2008-10-01	287800
2009-01-01	281700
2009-04-01	278000
2009-07-01	283900
2009-10-01	259500
2010-01-01	249500
2010-04-01	243200
2010-07-01	238900
2010-10-01	218500
2011-01-01	202200
2011-04-01	187800
2011-07-01	183400
2011-10-01	168100
2012-01-01	157200
2012-04-01	151700
2012-07-01	142300
2012-10-01	137100
2013-01-01	128000
2013-04-01	128500
2013-07-01	134700
2013-10-01	134600
2014-01-01	131300
2014-04-01	146900
2014-07-01	157300
2014-10-01	146900
2015-01-01	139900
2015-04-01	141400
2015-07-01	142100
2015-10-01	136900
2016-01-01	125400
2016-04-01	133100
2016-07-01	149400
2016-10-01	143400
2017-01-01	141600
2017-04-01	151100
2017-07-01	157200
2017-10-01	142800
2018-01-01	136700
2018-04-01	151500