Quarterly Persons
1999-04-01 3038300
2000-04-01 3056700
2001-04-01 3078500
2002-04-01 3114900
2003-04-01 3144200
2004-04-01 3172400
2005-04-01 3200400
2006-04-01 3226600
2007-04-01 3254700
2008-04-01 3295100
2009-04-01 3340500
2010-01-01 3370300
2010-04-01 3378400
2010-07-01 3386300
2010-10-01 3398600
2011-01-01 3406800
2011-04-01 3414300
2011-07-01 3425200
2011-10-01 3436400
2012-01-01 3432900
2012-04-01 3439300
2012-07-01 3448100
2012-10-01 3459000
2013-01-01 3468100
2013-04-01 3476200
2013-07-01 3485800
2013-10-01 3498400
2014-01-01 3507700
2014-04-01 3516400
2014-07-01 3525900
2014-10-01 3537800