Quarter	Persons
1999-04-01	14317500
1999-07-01	14517200
1999-10-01	14531500
2000-01-01	14449600
2000-04-01	14519100
2000-07-01	14660700
2000-10-01	14641900
2001-01-01	14618400
2001-04-01	14663700
2001-07-01	14780100
2001-10-01	14764100
2002-01-01	14663600
2002-04-01	14677000
2002-07-01	14816900
2002-10-01	14867000
2003-01-01	14782400
2003-04-01	14841500
2003-07-01	14978900
2003-10-01	14947500
2004-01-01	14943000
2004-04-01	14941400
2004-07-01	15064000
2004-10-01	15130700
2005-01-01	15089400
2005-04-01	15037500
2005-07-01	15202200
2005-10-01	15191800
2006-01-01	15119200
2006-04-01	15170500
2006-07-01	15368000
2006-10-01	15331500
2007-01-01	15235000
2007-04-01	15325800
2007-07-01	15466800
2007-10-01	15511300
2008-01-01	15443400
2008-04-01	15458400
2008-07-01	15481100
2008-10-01	15404600
2009-01-01	15185000
2009-04-01	14979900
2009-07-01	15018500
2009-10-01	14966400
2010-01-01	14808800
2010-04-01	14956800
2010-07-01	15193200
2010-10-01	15148100
2011-01-01	15062900
2011-04-01	15097700
2011-07-01	15094800
2011-10-01	15099500
2012-01-01	15056200
2012-04-01	15189800
2012-07-01	15342000
2012-10-01	15342100
2013-01-01	15151000
2013-04-01	15211600
2013-07-01	15436100
2013-10-01	15489100
2014-01-01	15498700
2014-04-01	15610400
2014-07-01	15777500
2014-10-01	15756200
2015-01-01	15764000
2015-04-01	15758500
2015-07-01	15967400
2015-10-01	16086500
2016-01-01	16022500
2016-04-01	16070100
2016-07-01	16160400
2016-10-01	16167000
2017-01-01	16135500
2017-04-01	16228400
2017-07-01	16258500
2017-10-01	16309200
2018-01-01	16308900
2018-04-01	16346700