Quarter	Persons
1999-04-01	27346800
2000-04-01	27631400
2001-04-01	27869800
2002-04-01	27632000
2003-04-01	27345800
2004-04-01	26905100
2005-01-01	27090900
2005-04-01	27371900
2005-07-01	27576800
2005-10-01	27394900
2006-01-01	27323900
2006-04-01	27807800
2006-07-01	28095200
2006-10-01	28020900
2007-01-01	27587100
2007-04-01	28052600
2007-07-01	28456500
2007-10-01	28289300
2008-01-01	27856700
2008-04-01	28048200
2008-07-01	28694300
2008-10-01	28598600
2009-01-01	27920700
2009-04-01	27987600
2009-07-01	27997400
2009-10-01	28459300
2010-01-01	27358400
2010-04-01	27678000
2010-07-01	27775100
2010-10-01	27777300
2011-01-01	27453700
2011-04-01	27789900
2011-07-01	27990100
2011-10-01	28088700
2012-01-01	27552300
2012-04-01	27958800
2012-07-01	28116500
2012-10-01	28041000
2013-01-01	27598300
2013-04-01	28057400
2013-07-01	27940700
2013-10-01	27929000
2014-01-01	27685200
2014-04-01	27958800
2014-07-01	28048600
2014-10-01	27989900
2015-01-01	27772500
2015-04-01	27999000
2015-07-01	28136300
2015-10-01	28282600
2016-01-01	28358800
2016-04-01	28256700
2016-07-01	28702400
2016-10-01	28637300
2017-01-01	28365000
2017-04-01	28219200
2017-07-01	28677000
2017-10-01	28409600
2018-01-01	28157200
2018-04-01	28020500