Quarter	Thousands of Persons, Seasonally Adjusted
1999-01-01	72229.13
1999-04-01	72158.44
1999-07-01	72353.16
1999-10-01	72778.62
2000-01-01	72868.47
2000-04-01	73363.70
2000-07-01	72527.38
2000-10-01	72312.38
2001-01-01	71832.36
2001-04-01	71530.86
2001-07-01	71427.81
2001-10-01	71391.94
2002-01-01	72338.34
2002-04-01	72096.62
2002-07-01	72581.81
2002-10-01	72411.38
2003-01-01	72133.65
2003-04-01	72136.26
2003-07-01	72461.42
2003-10-01	72841.05
2004-01-01	72800.64
2004-04-01	73137.60
2004-07-01	72940.19
2004-10-01	72932.20
2005-01-01	73125.18
2005-04-01	73246.68
2005-07-01	73512.75
2005-10-01	73850.62
2006-01-01	74138.16
2006-04-01	74068.46
2006-07-01	74255.99
2006-10-01	74211.16
2007-01-01	75267.42
2007-04-01	75063.16
2007-07-01	75174.90
2007-10-01	75132.68
2008-01-01	75502.78
2008-04-01	75665.82
2008-07-01	75869.90
2008-10-01	75983.78
2009-01-01	75537.98
2009-04-01	75799.62
2009-07-01	75614.40
2009-10-01	75679.09
2010-01-01	75282.59
2010-04-01	75570.91
2010-07-01	75495.21
2010-10-01	75410.84
2011-01-01	75780.86
2011-04-01	75585.58
2011-07-01	75861.69
2011-10-01	75784.18