Quarter	Persons
1999-04-01	6100
1999-07-01	5500
1999-10-01	5300
2000-01-01	4400
2000-04-01	3800
2000-07-01	3900
2000-10-01	3800
2001-01-01	4600
2001-04-01	4300
2001-07-01	4000
2001-10-01	3800
2002-01-01	4600
2002-04-01	4100
2002-07-01	3900
2002-10-01	4800
2003-01-01	4600
2003-04-01	4400
2003-07-01	4500
2003-10-01	4900
2004-01-01	5000
2004-04-01	4700
2004-07-01	5100
2004-10-01	5100
2005-01-01	6200
2005-04-01	6000
2005-07-01	5700
2005-10-01	5600
2006-01-01	5000
2006-04-01	5200
2006-07-01	6100
2006-10-01	5100
2007-01-01	6200
2007-04-01	5600
2007-07-01	5700
2007-10-01	5600
2008-01-01	6700
2008-04-01	7800
2008-07-01	9000
2008-10-01	9700
2009-01-01	14600
2009-04-01	14400
2009-07-01	17300
2009-10-01	17400
2010-01-01	20400
2010-04-01	20900
2010-07-01	22400
2010-10-01	23500
2011-01-01	22400
2011-04-01	23300
2011-07-01	26200
2011-10-01	26500
2012-01-01	26700
2012-04-01	25800
2012-07-01	28800
2012-10-01	27300
2013-01-01	31000
2013-04-01	29700
2013-07-01	29200
2013-10-01	28100
2014-01-01	28100
2014-04-01	27700
2014-07-01	26100
2014-10-01	25900
2015-01-01	24800
2015-04-01	23800
2015-07-01	21800
2015-10-01	21600
2016-01-01	21200
2016-04-01	20700
2016-07-01	18200
2016-10-01	19000
2017-01-01	20500
2017-04-01	17600
2017-07-01	17600
2017-10-01	18200
2018-01-01	16700
2018-04-01	15200