Quarter	Persons, Seasonally Adjusted
2005-01-01	37276297
2005-04-01	37642714
2005-07-01	37809737
2005-10-01	38023537
2006-01-01	38121300
2006-04-01	38318371
2006-07-01	38451721
2006-10-01	38563917
2007-01-01	38850567
2007-04-01	39002005
2007-07-01	39292431
2007-10-01	39434366
2008-01-01	39595792
2008-04-01	39646560
2008-07-01	39929739
2008-10-01	39952428
2009-01-01	40277426
2009-04-01	40385768
2009-07-01	40739657
2009-10-01	40764538
2010-01-01	40999600
2010-04-01	41103110
2010-07-01	41281838
2010-10-01	41347654
2011-01-01	41493939
2011-04-01	41663170
2011-07-01	41906931
2011-10-01	42244486
2012-01-01	42354652
2012-04-01	42552336
2012-07-01	42730233
2012-10-01	42863722
2013-01-01	42948685
2013-04-01	43143356
2013-07-01	43253261
2013-10-01	43229515
2014-01-01	43317525
2014-04-01	43411510
2014-07-01	43606564
2014-10-01	43883420
2015-01-01	44103607
2015-04-01	44224216
2015-07-01	44439221
2015-10-01	44581222
2016-01-01	44735481
2016-04-01	44965675
2016-07-01	45108775
2016-10-01	45400699
2017-01-01	45499947
2017-04-01	45728041
2017-07-01	45848973
2017-10-01	46139568
2018-01-01	46424733
2018-04-01	46584602