Quarter	Persons
1998-01-01	19700
1999-01-01	16000
1999-04-01	11500
1999-07-01	15000
1999-10-01	12400
2000-01-01	13200
2000-04-01	11500
2000-07-01	12100
2000-10-01	12200
2001-01-01	13300
2001-04-01	9900
2001-07-01	14200
2001-10-01	13300
2002-01-01	15400
2002-04-01	11700
2002-07-01	13700
2002-10-01	13000
2003-01-01	15800
2003-04-01	14600
2003-07-01	15700
2003-10-01	14800
2004-01-01	29500
2004-04-01	24300
2004-07-01	31000
2004-10-01	25600
2005-01-01	21300
2005-04-01	29600
2005-07-01	32900
2005-10-01	26300
2006-01-01	26800
2006-04-01	25100
2006-07-01	30300
2006-10-01	22300
2007-01-01	22700
2007-04-01	29400
2007-07-01	31800
2007-10-01	22800
2008-01-01	20600
2008-04-01	20100
2008-07-01	26300
2008-10-01	28900
2009-01-01	22300
2009-04-01	27300
2009-07-01	36600
2009-10-01	26500
2010-01-01	24600
2010-04-01	22600
2010-07-01	29900
2010-10-01	23000
2011-01-01	27100
2011-04-01	22200
2011-07-01	22600
2011-10-01	26500
2012-01-01	26900
2012-04-01	24000
2012-07-01	29200
2012-10-01	20400
2013-01-01	23600
2013-04-01	25000
2013-07-01	29900
2013-10-01	30100
2014-01-01	32500
2014-04-01	24000
2014-07-01	25700
2014-10-01	25200
2015-01-01	19900
2015-04-01	24700
2015-07-01	31700
2015-10-01	28800
2016-01-01	28100
2016-04-01	22700
2016-07-01	33100
2016-10-01	23900
2017-01-01	21200
2017-04-01	19800
2017-07-01	26800
2017-10-01	21200
2018-01-01	22200
2018-04-01	23800