Quarter	Thousands of Persons, Seasonally Adjusted
1999-01-01	34760.34
1999-04-01	34727.34
1999-07-01	34968.60
1999-10-01	35030.53
2000-01-01	35121.76
2000-04-01	35410.42
2000-07-01	35095.98
2000-10-01	34922.78
2001-01-01	34675.42
2001-04-01	34556.37
2001-07-01	34557.00
2001-10-01	34579.64
2002-01-01	35309.14
2002-04-01	35065.17
2002-07-01	35458.03
2002-10-01	35486.10
2003-01-01	35365.02
2003-04-01	35301.72
2003-07-01	35423.82
2003-10-01	35683.49
2004-01-01	35660.14
2004-04-01	35779.77
2004-07-01	35854.86
2004-10-01	35876.24
2005-01-01	36038.63
2005-04-01	36072.57
2005-07-01	36176.78
2005-10-01	36339.44
2006-01-01	36712.59
2006-04-01	36653.38
2006-07-01	36704.17
2006-10-01	36562.01
2007-01-01	37086.20
2007-04-01	36973.84
2007-07-01	37034.66
2007-10-01	37120.02
2008-01-01	36957.10
2008-04-01	37096.84
2008-07-01	37078.58
2008-10-01	37162.70
2009-01-01	37173.82
2009-04-01	37197.30
2009-07-01	37102.08
2009-10-01	37050.94
2010-01-01	36820.22
2010-04-01	36887.20
2010-07-01	36907.70
2010-10-01	36849.69
2011-01-01	37035.87
2011-04-01	36951.19
2011-07-01	37130.07
2011-10-01	37031.13