Quarterly Persons
2005-01-01 37150000
2005-04-01 37958000
2005-07-01 38361000
2005-10-01 38545000
2006-01-01 38622000
2006-04-01 39479000
2006-07-01 39658000
2006-10-01 39944000
2007-01-01 40098000
2007-04-01 40903000
2007-07-01 41209000
2007-10-01 41498000
2008-01-01 41509000
2008-04-01 42102000
2008-07-01 42249000
2008-10-01 42353000
2009-01-01 41988000
2009-04-01 42305000
2009-07-01 42370000
2009-10-01 42556000
2010-01-01 42440000
2010-04-01 43192000
2010-07-01 43356000
2010-10-01 43518000
2011-01-01 43655000
2011-04-01 44472000
2011-07-01 44651000
2011-10-01 44985000
2012-01-01 44996000
2012-04-01 45766000
2012-07-01 46181000
2012-10-01 46493000
2013-01-01 46016000
2013-04-01 46628000
2013-07-01 47075000
2013-10-01 47257000
2014-01-01 47132000
2014-04-01 48048000
2014-07-01 48489000
2014-10-01 48643000
2015-01-01 48506000
2015-04-01 49309000
2015-07-01 49546000
2015-10-01 49739000
2016-01-01 49877000
2016-04-01 50721000
2016-07-01 51134000
2016-10-01 51379000
2017-01-01 51353000
2017-04-01 52347000