Quarter	Persons, Seasonally Adjusted
2005-01-01	30325000
2005-04-01	30421000
2005-07-01	30486000
2005-10-01	30611000
2006-01-01	30485000
2006-04-01	30612000
2006-07-01	30579000
2006-10-01	30623000
2007-01-01	30790000
2007-04-01	30571000
2007-07-01	30616000
2007-10-01	30807000
2008-01-01	30703000
2008-04-01	30564000
2008-07-01	30184000
2008-10-01	29795000
2009-01-01	29346000
2009-04-01	28846000
2009-07-01	28615000
2009-10-01	28365000
2010-01-01	28363000
2010-04-01	28102000
2010-07-01	28170000
2010-10-01	27815000
2011-01-01	27821000
2011-04-01	27875000
2011-07-01	27801000
2011-10-01	27932000
2012-01-01	27841000
2012-04-01	28034000
2012-07-01	27971000
2012-10-01	27812000
2013-01-01	27792000
2013-04-01	27936000
2013-07-01	27888000
2013-10-01	27957000
2014-01-01	27928000
2014-04-01	28055000
2014-07-01	27966000
2014-10-01	28038000
2015-01-01	28143000
2015-04-01	28290000
2015-07-01	28392000
2015-10-01	28641000
2016-01-01	28699000
2016-04-01	28568000
2016-07-01	28825000
2016-10-01	28652000
2017-01-01	28864000
2017-04-01	28784000