Quarter	Persons
1999-04-01	29735900
2000-04-01	29748000
2001-04-01	30032900
2002-04-01	30051100
2003-04-01	30137200
2004-04-01	29959700
2005-01-01	30400900
2005-04-01	30594300
2005-07-01	30651700
2005-10-01	30486500
2006-01-01	30569800
2006-04-01	30731500
2006-07-01	30815300
2006-10-01	30811000
2007-01-01	30271300
2007-04-01	30456500
2007-07-01	30812300
2007-10-01	30590600
2008-01-01	30211800
2008-04-01	30242000
2008-07-01	30679700
2008-10-01	30582300
2009-01-01	30217600
2009-04-01	30223200
2009-07-01	30211100
2009-10-01	30553700
2010-01-01	29574200
2010-04-01	29611500
2010-07-01	29579800
2010-10-01	29565000
2011-01-01	29244000
2011-04-01	29347900
2011-07-01	29517600
2011-10-01	29566300
2012-01-01	29170900
2012-04-01	29392300
2012-07-01	29523800
2012-10-01	29454100
2013-01-01	29179700
2013-04-01	29485800
2013-07-01	29288600
2013-10-01	29279100
2014-01-01	29180700
2014-04-01	29302600
2014-07-01	29367700
2014-10-01	29321700
2015-01-01	29142000
2015-04-01	29304800
2015-07-01	29319000
2015-10-01	29559300
2016-01-01	29653700
2016-04-01	29424500
2016-07-01	29809500
2016-10-01	29696700
2017-01-01	29521500
2017-04-01	29256400
2017-07-01	29677100
2017-10-01	29379500
2018-01-01	29161900
2018-04-01	28964700