Quarter	Persons
1999-04-01	12400
2000-04-01	13500
2001-04-01	14200
2002-04-01	12100
2003-01-01	10900
2003-04-01	13900
2003-07-01	14600
2003-10-01	11800
2004-01-01	10600
2004-04-01	12800
2004-07-01	13500
2004-10-01	11100
2005-01-01	10300
2005-04-01	14100
2005-07-01	14900
2005-10-01	11800
2006-01-01	11500
2006-04-01	14500
2006-07-01	15400
2006-10-01	13100
2007-01-01	13600
2007-04-01	15400
2007-07-01	16200
2007-10-01	14400
2008-01-01	13500
2008-04-01	15800
2008-07-01	16700
2008-10-01	12300
2009-01-01	11100
2009-04-01	12500
2009-07-01	13700
2009-10-01	10000
2010-01-01	10500
2010-04-01	12600
2010-07-01	13700
2010-10-01	11500
2011-01-01	10400
2011-04-01	13200
2011-07-01	14500
2011-10-01	11200
2012-01-01	11200
2012-04-01	14900
2012-07-01	14800
2012-10-01	12200
2013-01-01	12000
2013-04-01	14100
2013-07-01	15800
2013-10-01	13100
2014-01-01	12300
2014-04-01	15000
2014-07-01	15400
2014-10-01	12900
2015-01-01	13500
2015-04-01	15300
2015-07-01	15600
2015-10-01	12700
2016-01-01	14400
2016-04-01	16600
2016-07-01	17000
2016-10-01	15000
2017-01-01	14500
2017-04-01	17200
2017-07-01	16600
2017-10-01	14300
2018-01-01	14500
2018-04-01	16300