Quarter	Persons
1998-04-01	8400
1999-04-01	7900
2000-04-01	7400
2001-04-01	6800
2002-04-01	8000
2003-01-01	10900
2003-04-01	7700
2003-07-01	8200
2003-10-01	10900
2004-01-01	12900
2004-04-01	8000
2004-07-01	9300
2004-10-01	11700
2005-01-01	13000
2005-04-01	8400
2005-07-01	8100
2005-10-01	10600
2006-01-01	12200
2006-04-01	7200
2006-07-01	8600
2006-10-01	9500
2007-01-01	10500
2007-04-01	7800
2007-07-01	8600
2007-10-01	9800
2008-01-01	11500
2008-04-01	7700
2008-07-01	9700
2008-10-01	12200
2009-01-01	14500
2009-04-01	10500
2009-07-01	11800
2009-10-01	14400
2010-01-01	13700
2010-04-01	10500
2010-07-01	13500
2010-10-01	13400
2011-01-01	14300
2011-04-01	11200
2011-07-01	13200
2011-10-01	13600
2012-01-01	14800
2012-04-01	11000
2012-07-01	12200
2012-10-01	14900
2013-01-01	15500
2013-04-01	9800
2013-07-01	10100
2013-10-01	13200
2014-01-01	12200
2014-04-01	7600
2014-07-01	9600
2014-10-01	11400
2015-01-01	11400
2015-04-01	7500
2015-07-01	7500
2015-10-01	11500
2016-01-01	9600
2016-04-01	6900
2016-07-01	6700
2016-10-01	9400
2017-01-01	9600
2017-04-01	6400
2017-07-01	10100
2017-10-01	11900
2018-01-01	12300
2018-04-01	9600