Quarter	Persons
2005-01-01	10854254
2005-10-01	11899000
2006-01-01	11104693
2006-07-01	10932000
2007-01-01	10547917
2007-07-01	10011142
2008-01-01	9427590
2008-07-01	9394515
2009-01-01	9258964
2009-07-01	8963000
2010-01-01	8592000
2010-07-01	8320000
2011-01-01	8120000
2011-07-01	7700000
2012-01-01	7614000
2012-07-01	7245000
2013-01-01	7171000
2013-07-01	7390000