Quarter	Persons
2006-01-01	23636100
2006-04-01	22440300
2006-07-01	22120300
2006-10-01	22806900
2007-01-01	23682400
2007-04-01	22615300
2007-07-01	22464000
2007-10-01	23509700
2008-01-01	23993100
2008-04-01	22726100
2008-07-01	22449200
2008-10-01	23152600
2009-01-01	23956800
2009-04-01	22821500
2009-07-01	22310300
2009-10-01	23017000
2010-01-01	23400100
2010-04-01	22461800
2010-07-01	22410500
2010-10-01	23095200
2011-01-01	23246900
2011-04-01	22249900
2011-07-01	22102100
2011-10-01	23052700
2012-01-01	23990500
2012-04-01	22752700
2012-07-01	22692700
2012-10-01	22824100
2013-01-01	23460500
2013-04-01	22390100
2013-07-01	22515500
2013-10-01	23217900
2014-01-01	23561800
2014-04-01	22514400
2014-07-01	22509700
2014-10-01	22978000
2015-01-01	23316300
2015-04-01	22421000
2015-07-01	22220500
2015-10-01	22813800
2016-01-01	23105200
2016-04-01	22198200
2016-07-01	22159000
2016-10-01	22561300
2017-01-01	22879100
2017-04-01	22199600
2017-07-01	21894400
2017-10-01	22423200
2018-01-01	22868100
2018-04-01	22243800