Quarterly Persons
2003-04-01 23299000
2004-04-01 24424000
2005-01-01 25131000
2005-04-01 25588000
2005-07-01 25834000
2005-10-01 25980000
2006-01-01 26082000
2006-04-01 26576000
2006-07-01 26680000
2006-10-01 26846000
2007-01-01 26993000
2007-04-01 27415000
2007-07-01 27665000
2007-10-01 27875000
2008-01-01 27839000
2008-04-01 28125000
2008-07-01 28167000
2008-10-01 28306000
2009-01-01 28054000
2009-04-01 28174000
2009-07-01 28058000
2009-10-01 28171000
2010-01-01 28182000
2010-04-01 28564000
2010-07-01 28630000
2010-10-01 28782000
2011-01-01 28820000
2011-04-01 29268000
2011-07-01 29335000
2011-10-01 29631000
2012-01-01 29672000
2012-04-01 29962000
2012-07-01 30255000
2012-10-01 30489000
2013-01-01 30229000
2013-04-01 30450000
2013-07-01 30692000
2013-10-01 30835000
2014-01-01 30874000
2014-04-01 31183000
2014-07-01 31508000
2014-10-01 31517000
2015-01-01 31414000
2015-04-01 31859000
2015-07-01 31980000
2015-10-01 32069000
2016-01-01 32162000
2016-04-01 32578000
2016-07-01 32764000
2016-10-01 32792000
2017-01-01 32705000
2017-04-01 33284000