Quarter	Persons, Seasonally Adjusted
2005-01-01	26425000
2005-04-01	26780000
2005-07-01	27153000
2005-10-01	27486000
2006-01-01	27780000
2006-04-01	28094000
2006-07-01	28630000
2006-10-01	28927000
2007-01-01	29173000
2007-04-01	29477000
2007-07-01	29812000
2007-10-01	30150000
2008-01-01	30376000
2008-04-01	30689000
2008-07-01	30777000
2008-10-01	31075000
2009-01-01	31234000
2009-04-01	31578000
2009-07-01	31791000
2009-10-01	31982000
2010-01-01	32353000
2010-04-01	32751000
2010-07-01	33158000
2010-10-01	33261000
2011-01-01	33657000
2011-04-01	34088000
2011-07-01	34372000
2011-10-01	34596000
2012-01-01	35229000
2012-04-01	35587000
2012-07-01	35687000
2012-10-01	36055000
2013-01-01	36308000
2013-04-01	36642000
2013-07-01	36894000
2013-10-01	37046000
2014-01-01	37335000
2014-04-01	37784000
2014-07-01	38040000
2014-10-01	38391000
2015-01-01	38632000
2015-04-01	38961000
2015-07-01	39417000
2015-10-01	39833000
2016-01-01	40136000
2016-04-01	40437000
2016-07-01	40678000
2016-10-01	41055000
2017-01-01	41577000
2017-04-01	41836000