Quarter	Persons
1999-04-01	23700
2000-01-01	22800
2000-04-01	24000
2000-07-01	29500
2000-10-01	24900
2001-01-01	18800
2001-04-01	20000
2001-07-01	26900
2001-10-01	21400
2002-01-01	16000
2002-04-01	19000
2002-07-01	22800
2002-10-01	24700
2003-01-01	20400
2003-04-01	19700
2003-07-01	25100
2003-10-01	27200
2004-01-01	17900
2004-04-01	24100
2004-07-01	24600
2004-10-01	20700
2005-01-01	25200
2005-04-01	28800
2005-07-01	24900
2005-10-01	25100
2006-01-01	23100
2006-04-01	26000
2006-07-01	24400
2006-10-01	26600
2007-01-01	26200
2007-04-01	27400
2007-07-01	30600
2007-10-01	29700
2008-01-01	29900
2008-04-01	28400
2008-07-01	31300
2008-10-01	33900
2009-01-01	28000
2009-04-01	25000
2009-07-01	23700
2009-10-01	20000
2010-01-01	19600
2010-04-01	19700
2010-07-01	21800
2010-10-01	23100
2011-01-01	22500
2011-04-01	25600
2011-07-01	26400
2011-10-01	22300
2012-01-01	25500
2012-04-01	25000
2012-07-01	24000
2012-10-01	22700
2013-01-01	22100
2013-04-01	25600
2013-07-01	22500
2013-10-01	22400
2014-01-01	21500
2014-04-01	24300
2014-07-01	25100
2014-10-01	23800
2015-01-01	22200
2015-04-01	22600
2015-07-01	21900
2015-10-01	22000
2016-01-01	19900
2016-04-01	24700
2016-07-01	26200
2016-10-01	23300
2017-01-01	22500
2017-04-01	22700
2017-07-01	25900
2017-10-01	25200
2018-01-01	23700
2018-04-01	27400