Quarter	Persons
1999-04-01	23900
2000-04-01	23900
2001-04-01	24800
2002-04-01	24700
2003-01-01	25000
2003-04-01	25000
2003-07-01	25000
2003-10-01	25000
2004-01-01	24800
2004-04-01	24800
2004-07-01	24800
2004-10-01	24800
2005-01-01	25600
2005-04-01	25600
2005-07-01	25600
2005-10-01	25600
2006-01-01	26200
2006-04-01	26200
2006-07-01	26200
2006-10-01	26200
2007-01-01	27500
2007-04-01	26400
2007-07-01	26600
2007-10-01	26800
2008-01-01	26100
2008-04-01	27600
2008-07-01	26800
2008-10-01	26400
2009-01-01	26800
2009-04-01	28100
2009-07-01	28100
2009-10-01	27600
2010-01-01	28400
2010-04-01	28300
2010-07-01	28600
2010-10-01	28600
2011-01-01	29100
2011-04-01	29100
2011-07-01	29300
2011-10-01	29500
2012-01-01	30500
2012-04-01	29700
2012-07-01	29900
2012-10-01	30500
2013-01-01	31300
2013-04-01	29500
2013-07-01	28800
2013-10-01	29200
2014-01-01	29500
2014-04-01	29500
2014-07-01	29100
2014-10-01	29300
2015-01-01	32500
2015-04-01	32500
2015-07-01	32500
2015-10-01	32500
2016-01-01	33200
2016-04-01	33200
2016-07-01	33200
2016-10-01	32400
2017-01-01	35500
2017-04-01	34300
2017-07-01	34000
2017-10-01	34000
2018-01-01	34200
2018-04-01	34200