Quarter	Persons
1999-04-01	18600
2000-01-01	14900
2000-04-01	18400
2000-07-01	19500
2000-10-01	12700
2001-01-01	14500
2001-04-01	19700
2001-07-01	15500
2001-10-01	12700
2002-01-01	17500
2002-04-01	20700
2002-07-01	15400
2002-10-01	10400
2003-01-01	15600
2003-04-01	18500
2003-07-01	16500
2003-10-01	12200
2004-01-01	14100
2004-04-01	19700
2004-07-01	16300
2004-10-01	13200
2005-01-01	15800
2005-04-01	21100
2005-07-01	16200
2005-10-01	14300
2006-01-01	13700
2006-04-01	19000
2006-07-01	16000
2006-10-01	7900
2007-01-01	13600
2007-04-01	12700
2007-07-01	11400
2007-10-01	8100
2008-01-01	11300
2008-04-01	14100
2008-07-01	12400
2008-10-01	10700
2009-01-01	12900
2009-04-01	16700
2009-07-01	15200
2009-10-01	11100
2010-01-01	12700
2010-04-01	16500
2010-07-01	12600
2010-10-01	10700
2011-01-01	13900
2011-04-01	14800
2011-07-01	14000
2011-10-01	11800
2012-01-01	9100
2012-04-01	13700
2012-07-01	16700
2012-10-01	11900
2013-01-01	17400
2013-04-01	12100
2013-07-01	14300
2013-10-01	12600
2014-01-01	11700
2014-04-01	11600
2014-07-01	14500
2014-10-01	9900
2015-01-01	13600
2015-04-01	18400
2015-07-01	16000
2015-10-01	14400
2016-01-01	16300
2016-04-01	17400
2016-07-01	18800
2016-10-01	13100
2017-01-01	14900
2017-04-01	18400
2017-07-01	15900
2017-10-01	12700
2018-01-01	11200
2018-04-01	16000