Quarter	Thousands of Persons, Seasonally Adjusted
1997-10-01	661.5678
1998-01-01	652.5399
1998-04-01	647.2301
1998-07-01	652.6633
1998-10-01	657.3378
1999-01-01	666.9720
1999-04-01	686.2063
1999-07-01	698.2966
1999-10-01	705.2091
2000-01-01	709.9361
2000-04-01	716.1338
2000-07-01	723.8086
2000-10-01	731.2631
2001-01-01	734.9062
2001-04-01	735.6808
2001-07-01	751.9600
2001-10-01	757.6799
2002-01-01	767.4603
2002-04-01	772.0919
2002-07-01	773.1619
2002-10-01	777.6352
2003-01-01	784.3114
2003-04-01	791.1683
2003-07-01	798.4238
2003-10-01	803.7916
2004-01-01	807.1427
2004-04-01	808.9883
2004-07-01	817.6409
2004-10-01	837.7828
2005-01-01	846.3799
2005-04-01	858.0938
2005-07-01	867.4187
2005-10-01	879.1923
2006-01-01	887.8884
2006-04-01	896.3735
2006-07-01	910.0940
2006-10-01	917.3679
2007-01-01	930.3657
2007-04-01	943.8243
2007-07-01	953.7915
2007-10-01	966.3179
2008-01-01	969.5861
2008-04-01	960.1582
2008-07-01	972.3443
2008-10-01	958.3246
2009-01-01	962.6011
2009-04-01	961.7533
2009-07-01	960.6394
2009-10-01	952.8321
2010-01-01	950.7219
2010-04-01	951.9958
2010-07-01	946.9847
2010-10-01	948.1146
2011-01-01	945.4893
2011-04-01	942.8141
2011-07-01	939.7133
2011-10-01	941.9416