Quarter	Persons
1998-01-01	401000
1998-04-01	404000
1998-07-01	410100
1998-10-01	406400
1999-01-01	415000
1999-04-01	416400
1999-07-01	424100
1999-10-01	424500
2000-01-01	429700
2000-04-01	439300
2000-07-01	441600
2000-10-01	445400
2001-01-01	445000
2001-04-01	450600
2001-07-01	452200
2001-10-01	457200
2002-01-01	454800
2002-04-01	457200
2002-07-01	461000
2002-10-01	465900
2003-01-01	463900
2003-04-01	459000
2003-07-01	462300
2003-10-01	473200
2004-01-01	466300
2004-04-01	470000
2004-07-01	475000
2004-10-01	481000
2005-01-01	476400
2005-04-01	477100
2005-07-01	473500
2005-10-01	477300
2006-01-01	476200
2006-04-01	478000
2006-07-01	483800
2006-10-01	492100
2007-01-01	485200
2007-04-01	482400
2007-07-01	487400
2007-10-01	489100
2008-01-01	486800
2008-04-01	483600
2008-07-01	492100
2008-10-01	486100
2009-01-01	480300
2009-04-01	479900
2009-07-01	482500
2009-10-01	488700
2010-01-01	480100
2010-04-01	480900
2010-07-01	485500
2010-10-01	475500
2011-01-01	469400
2011-04-01	470700
2011-07-01	469100
2011-10-01	467300
2012-01-01	462800
2012-04-01	449900
2012-07-01	442200
2012-10-01	431000
2013-01-01	427100
2013-04-01	422700
2013-07-01	415000
2013-10-01	406500
2014-01-01	400400
2014-04-01	399000
2014-07-01	387500
2014-10-01	384900
2015-01-01	377400
2015-04-01	369600
2015-07-01	365400
2015-10-01	365400
2016-01-01	353300
2016-04-01	343500
2016-07-01	337200
2016-10-01	323700
2017-01-01	313700
2017-04-01	316200
2017-07-01	305500
2017-10-01	299500
2018-01-01	287200
2018-04-01	282500