Quarter	Persons
1999-04-01	7300
2000-04-01	8100
2001-04-01	7500
2002-04-01	8200
2003-01-01	9000
2003-04-01	9000
2003-07-01	9000
2003-10-01	9000
2004-01-01	8900
2004-04-01	8900
2004-07-01	8900
2004-10-01	8900
2005-01-01	9100
2005-04-01	9100
2005-07-01	9100
2005-10-01	9100
2006-01-01	9300
2006-04-01	9300
2006-07-01	9300
2006-10-01	9300
2007-01-01	7600
2007-04-01	9400
2007-07-01	9100
2007-10-01	7600
2008-01-01	7800
2008-04-01	11300
2008-07-01	10900
2008-10-01	8800
2009-01-01	12600
2009-04-01	13300
2009-07-01	11700
2009-10-01	11100
2010-01-01	12500
2010-04-01	13700
2010-07-01	12700
2010-10-01	12600
2011-01-01	12700
2011-04-01	12100
2011-07-01	14300
2011-10-01	13300
2012-01-01	14300
2012-04-01	12800
2012-07-01	13700
2012-10-01	14200
2013-01-01	15300
2013-04-01	14900
2013-07-01	13200
2013-10-01	13500
2014-01-01	13300
2014-04-01	15800
2014-07-01	15500
2014-10-01	15900
2015-01-01	15300
2015-04-01	15000
2015-07-01	12300
2015-10-01	13300
2016-01-01	15700
2016-04-01	16500
2016-07-01	15100
2016-10-01	15400
2017-01-01	17200
2017-04-01	16200
2017-07-01	15500
2017-10-01	15200
2018-01-01	15900
2018-04-01	16000