Quarter	Persons
1998-04-01	10900
1999-04-01	10100
2000-04-01	9500
2001-04-01	11100
2002-04-01	11300
2003-01-01	9500
2003-04-01	10900
2003-07-01	11500
2003-10-01	10800
2004-01-01	9600
2004-04-01	12700
2004-07-01	12300
2004-10-01	11400
2005-01-01	11500
2005-04-01	12400
2005-07-01	12100
2005-10-01	12800
2006-01-01	14600
2006-04-01	15500
2006-07-01	14800
2006-10-01	13700
2007-01-01	15100
2007-04-01	16300
2007-07-01	16300
2007-10-01	14900
2008-01-01	16500
2008-04-01	18500
2008-07-01	19900
2008-10-01	15600
2009-01-01	11100
2009-04-01	12100
2009-07-01	12200
2009-10-01	10700
2010-01-01	10500
2010-04-01	11800
2010-07-01	11000
2010-10-01	8800
2011-01-01	8500
2011-04-01	10600
2011-07-01	11300
2011-10-01	9500
2012-01-01	8300
2012-04-01	9500
2012-07-01	10100
2012-10-01	9000
2013-01-01	9800
2013-04-01	10600
2013-07-01	11100
2013-10-01	10600
2014-01-01	10000
2014-04-01	11300
2014-07-01	10300
2014-10-01	10400
2015-01-01	10600
2015-04-01	11800
2015-07-01	12600
2015-10-01	10400
2016-01-01	10500
2016-04-01	13000
2016-07-01	12600
2016-10-01	11200
2017-01-01	10800
2017-04-01	12500
2017-07-01	13200
2017-10-01	13000
2018-01-01	12000
2018-04-01	13000