Quarter	Persons
1998-01-01	42600
1998-04-01	42100
1998-07-01	57600
1998-10-01	60300
1999-01-01	55800
1999-04-01	55200
1999-07-01	71200
1999-10-01	64300
2000-01-01	54100
2000-04-01	50700
2000-07-01	55900
2000-10-01	53800
2001-01-01	50400
2001-04-01	45000
2001-07-01	50800
2001-10-01	46700
2002-01-01	40500
2002-04-01	36900
2002-07-01	48600
2002-10-01	47500
2003-01-01	47000
2003-04-01	39900
2003-07-01	45700
2003-10-01	44800
2004-01-01	41400
2004-04-01	38000
2004-07-01	43600
2004-10-01	43300
2005-01-01	32900
2005-04-01	33500
2005-07-01	38700
2005-10-01	40800
2006-01-01	38600
2006-04-01	34300
2006-07-01	37700
2006-10-01	32600
2007-01-01	21300
2007-04-01	17000
2007-07-01	20500
2007-10-01	18200
2008-01-01	15800
2008-04-01	12800
2008-07-01	19600
2008-10-01	19500
2009-01-01	22400
2009-04-01	23700
2009-07-01	31100
2009-10-01	35400
2010-01-01	28600
2010-04-01	26900
2010-07-01	33000
2010-10-01	29200
2011-01-01	25500
2011-04-01	27100
2011-07-01	27100
2011-10-01	24600
2012-01-01	26600
2012-04-01	27000
2012-07-01	30200
2012-10-01	31000
2013-01-01	26400
2013-04-01	27600
2013-07-01	30600
2013-10-01	29200
2014-01-01	23300
2014-04-01	24400
2014-07-01	26200
2014-10-01	22300
2015-01-01	19600
2015-04-01	19600
2015-07-01	23400
2015-10-01	19800
2016-01-01	13900
2016-04-01	12600
2016-07-01	18000
2016-10-01	15600
2017-01-01	13000
2017-04-01	12800
2017-07-01	11700
2017-10-01	7900
2018-01-01	7800
2018-04-01	10300