Quarter	Thousands of Persons, Seasonally Adjusted
1999-01-01	29956.12
1999-04-01	30172.75
1999-07-01	30614.48
1999-10-01	30751.16
2000-01-01	31015.17
2000-04-01	31612.94
2000-07-01	31600.60
2000-10-01	31737.24
2001-01-01	31577.68
2001-04-01	31550.05
2001-07-01	31546.36
2001-10-01	31791.78
2002-01-01	32683.04
2002-04-01	32292.65
2002-07-01	32865.44
2002-10-01	32730.22
2003-01-01	32450.05
2003-04-01	32399.32
2003-07-01	32550.53
2003-10-01	33108.84
2004-01-01	32700.33
2004-04-01	33246.24
2004-07-01	33327.95
2004-10-01	33077.56
2005-01-01	33462.93
2005-04-01	33493.48
2005-07-01	33524.45
2005-10-01	33982.03
2006-01-01	34138.52
2006-04-01	34036.44
2006-07-01	34228.32
2006-10-01	34206.69
2007-01-01	34909.48
2007-04-01	34730.51
2007-07-01	34881.06
2007-10-01	35137.48
2008-01-01	34617.35
2008-04-01	35094.19
2008-07-01	34819.84
2008-10-01	34742.68
2009-01-01	34194.39
2009-04-01	34224.45
2009-07-01	34330.60
2009-10-01	34207.70
2010-01-01	34113.36
2010-04-01	34297.18
2010-07-01	34390.88
2010-10-01	34407.66
2011-01-01	34799.32
2011-04-01	34629.20
2011-07-01	34782.23
2011-10-01	34769.34