Quarter	Persons
1999-04-01	20800
2000-04-01	21300
2001-04-01	21200
2002-04-01	21800
2003-01-01	22600
2003-04-01	22600
2003-07-01	22600
2003-10-01	22600
2004-01-01	23200
2004-04-01	23200
2004-07-01	23200
2004-10-01	23200
2005-01-01	23900
2005-04-01	23900
2005-07-01	23900
2005-10-01	23900
2006-01-01	24000
2006-04-01	24000
2006-07-01	24000
2006-10-01	24000
2007-01-01	23700
2007-04-01	23900
2007-07-01	24000
2007-10-01	23300
2008-01-01	25000
2008-04-01	25500
2008-07-01	25500
2008-10-01	24200
2009-01-01	26100
2009-04-01	26000
2009-07-01	26100
2009-10-01	26500
2010-01-01	26700
2010-04-01	27200
2010-07-01	27200
2010-10-01	26900
2011-01-01	27600
2011-04-01	27800
2011-07-01	28200
2011-10-01	27900
2012-01-01	29200
2012-04-01	28600
2012-07-01	29100
2012-10-01	29000
2013-01-01	29600
2013-04-01	29900
2013-07-01	28800
2013-10-01	29400
2014-01-01	30100
2014-04-01	29900
2014-07-01	30500
2014-10-01	31100
2015-01-01	32600
2015-04-01	32500
2015-07-01	32600
2015-10-01	32600
2016-01-01	33900
2016-04-01	33900
2016-07-01	33900
2016-10-01	33700
2017-01-01	35400
2017-04-01	35300
2017-07-01	35300
2017-10-01	35300
2018-01-01	36500
2018-04-01	36500