Quarter	Persons
1998-01-01	12969400
1998-04-01	13049700
1998-07-01	13208000
1998-10-01	13132700
1999-01-01	13004400
1999-04-01	13118900
1999-07-01	13276200
1999-10-01	13234000
2000-01-01	13082700
2000-04-01	13222600
2000-07-01	13459700
2000-10-01	13498700
2001-01-01	13352700
2001-04-01	13358200
2001-07-01	13564100
2001-10-01	13544300
2002-01-01	13510400
2002-04-01	13557600
2002-07-01	13665300
2002-10-01	13639100
2003-01-01	13572900
2003-04-01	13668500
2003-07-01	13768800
2003-10-01	13748100
2004-01-01	13362000
2004-04-01	13604000
2004-07-01	13660000
2004-10-01	13587300
2005-01-01	13478400
2005-04-01	13658300
2005-07-01	13646300
2005-10-01	13619600
2006-01-01	13634300
2006-04-01	13884800
2006-07-01	13800700
2006-10-01	13700800
2007-01-01	13596300
2007-04-01	13874700
2007-07-01	13939100
2007-10-01	13836300
2008-01-01	13685700
2008-04-01	13935400
2008-07-01	13922300
2008-10-01	13738000
2009-01-01	13518100
2009-04-01	13624600
2009-07-01	13574000
2009-10-01	13448000
2010-01-01	13359500
2010-04-01	13435800
2010-07-01	13353000
2010-10-01	13349900
2011-01-01	13296700
2011-04-01	13408300
2011-07-01	13399700
2011-10-01	13255900
2012-01-01	13114500
2012-04-01	13243500
2012-07-01	13284900
2012-10-01	13131400
2013-01-01	12860800
2013-04-01	12913000
2013-07-01	12982800
2013-10-01	12900900
2014-01-01	12766800
2014-04-01	12980500
2014-07-01	13068100
2014-10-01	12965700
2015-01-01	12844200
2015-04-01	13069900
2015-07-01	13281200
2015-10-01	13143000
2016-01-01	13024300
2016-04-01	13329100
2016-07-01	13331500
2016-10-01	13247800
2017-01-01	13188000
2017-04-01	13376800
2017-07-01	13475900
2017-10-01	13356200
2018-01-01	13236500
2018-04-01	13555600