Quarter	Persons, Seasonally Adjusted
2005-01-01	14754000
2005-04-01	14710000
2005-07-01	14478000
2005-10-01	14322000
2006-01-01	13966000
2006-04-01	13627000
2006-07-01	13372000
2006-10-01	13046000
2007-01-01	12932000
2007-04-01	12476000
2007-07-01	12477000
2007-10-01	12551000
2008-01-01	12693000
2008-04-01	13055000
2008-07-01	13946000
2008-10-01	15679000
2009-01-01	18690000
2009-04-01	20860000
2009-07-01	21477000
2009-10-01	21539000
2010-01-01	21632000
2010-04-01	21228000
2010-07-01	20890000
2010-10-01	20622000
2011-01-01	19820000
2011-04-01	19811000
2011-07-01	19651000
2011-10-01	19624000
2012-01-01	19525000
2012-04-01	19676000
2012-07-01	19690000
2012-10-01	19849000
2013-01-01	20063000
2013-04-01	20063000
2013-07-01	19917000
2013-10-01	19357000
2014-01-01	19057000
2014-04-01	18572000
2014-07-01	18338000
2014-10-01	18017000
2015-01-01	17712000
2015-04-01	17404000
2015-07-01	17091000
2015-10-01	16738000
2016-01-01	16514000
2016-04-01	16226000
2016-07-01	16289000
2016-10-01	15920000
2017-01-01	15477000
2017-04-01	14800000
2017-07-01	14646000