Quarter	Persons
1999-04-01	22100
2000-01-01	19700
2000-04-01	18800
2000-07-01	17200
2000-10-01	14000
2001-01-01	17300
2001-04-01	21100
2001-07-01	17900
2001-10-01	16600
2002-01-01	20500
2002-04-01	22900
2002-07-01	19700
2002-10-01	18300
2003-01-01	18500
2003-04-01	20400
2003-07-01	21300
2003-10-01	15500
2004-01-01	20500
2004-04-01	22600
2004-07-01	20900
2004-10-01	18100
2005-01-01	19100
2005-04-01	22500
2005-07-01	20200
2005-10-01	16700
2006-01-01	15800
2006-04-01	19500
2006-07-01	12200
2006-10-01	10800
2007-01-01	13600
2007-04-01	18300
2007-07-01	13300
2007-10-01	11000
2008-01-01	14900
2008-04-01	18400
2008-07-01	14900
2008-10-01	14500
2009-01-01	17800
2009-04-01	22300
2009-07-01	17900
2009-10-01	16300
2010-01-01	19600
2010-04-01	26000
2010-07-01	15200
2010-10-01	18800
2011-01-01	17600
2011-04-01	19500
2011-07-01	17200
2011-10-01	14800
2012-01-01	18400
2012-04-01	21400
2012-07-01	15500
2012-10-01	19600
2013-01-01	18900
2013-04-01	23700
2013-07-01	19800
2013-10-01	18400
2014-01-01	16600
2014-04-01	17800
2014-07-01	15700
2014-10-01	15000
2015-01-01	19500
2015-04-01	25300
2015-07-01	23100
2015-10-01	16000
2016-01-01	24600
2016-04-01	28800
2016-07-01	21400
2016-10-01	19900
2017-01-01	21600
2017-04-01	24600
2017-07-01	21300
2017-10-01	17000
2018-01-01	19100
2018-04-01	23400