Quarter	Persons
2005-01-01	12648049
2005-10-01	13051821
2006-01-01	12732340
2006-07-01	13041779
2007-01-01	13361933
2007-07-01	13538227
2008-01-01	13710359
2008-07-01	13821030
2009-01-01	13964376
2009-07-01	14218087
2010-01-01	14449649
2010-07-01	15320000
2011-01-01	15310000
2011-07-01	16240000
2012-01-01	16129400
2012-07-01	17217190
2013-01-01	16595000