Quarter	Persons
1999-01-01	4300
1999-04-01	4600
1999-07-01	4900
1999-10-01	6000
2000-01-01	5700
2000-04-01	6300
2000-07-01	5900
2000-10-01	6700
2001-01-01	6700
2001-04-01	6300
2001-07-01	6500
2001-10-01	7200
2002-01-01	7400
2002-04-01	6300
2002-07-01	6900
2002-10-01	8400
2003-01-01	6200
2003-04-01	5600
2003-07-01	5600
2003-10-01	5700
2004-01-01	6800
2004-04-01	6400
2004-07-01	6500
2004-10-01	7900
2005-01-01	9100
2005-04-01	10300
2005-07-01	9100
2005-10-01	9800
2006-01-01	9400
2006-04-01	9700
2006-07-01	9000
2006-10-01	9900
2007-01-01	9000
2007-04-01	11800
2007-07-01	11000
2007-10-01	13200
2008-01-01	11700
2008-04-01	11800
2008-07-01	10500
2008-10-01	13900
2009-01-01	16300
2009-04-01	16700
2009-07-01	16800
2009-10-01	16800
2010-01-01	21100
2010-04-01	21800
2010-07-01	22500
2010-10-01	24200
2011-01-01	28900
2011-04-01	27400
2011-07-01	28100
2011-10-01	27900
2012-01-01	29400
2012-04-01	27500
2012-07-01	23000
2012-10-01	23000
2013-01-01	28100
2013-04-01	28300
2013-07-01	27100
2013-10-01	24600
2014-01-01	22700
2014-04-01	24600
2014-07-01	22900
2014-10-01	21100
2015-01-01	26000
2015-04-01	22200
2015-07-01	19800
2015-10-01	18700
2016-01-01	19800
2016-04-01	16900
2016-07-01	15200
2016-10-01	15000
2017-01-01	15500
2017-04-01	12200
2017-07-01	10800
2017-10-01	9100
2018-01-01	9200
2018-04-01	8900