Quarter	Persons
2005-01-01	36068667
2005-10-01	35030949
2006-01-01	35747520
2006-07-01	37581625
2007-01-01	37215175
2007-07-01	39932718
2008-01-01	40916327
2008-07-01	41961299
2009-01-01	42880436
2009-07-01	43553256
2010-01-01	45289855
2010-07-01	45810000
2011-01-01	47900000
2011-07-01	47760000
2012-01-01	49365000
2012-07-01	47917000
2013-01-01	50581840