Quarter	Thousands of Persons, Seasonally Adjusted
1999-01-01	37486.12
1999-04-01	37449.66
1999-07-01	37328.32
1999-10-01	37770.01
2000-01-01	37764.85
2000-04-01	37963.76
2000-07-01	37383.70
2000-10-01	37410.85
2001-01-01	37169.08
2001-04-01	36977.73
2001-07-01	36840.20
2001-10-01	36829.46
2002-01-01	37037.20
2002-04-01	37030.94
2002-07-01	37110.03
2002-10-01	36934.71
2003-01-01	36771.26
2003-04-01	36828.26
2003-07-01	37035.11
2003-10-01	37165.87
2004-01-01	37136.54
2004-04-01	37353.50
2004-07-01	37085.94
2004-10-01	37066.34
2005-01-01	37077.96
2005-04-01	37176.78
2005-07-01	37329.56
2005-10-01	37523.14
2006-01-01	37417.98
2006-04-01	37419.84
2006-07-01	37543.09
2006-10-01	37653.14
2007-01-01	38188.53
2007-04-01	38087.29
2007-07-01	38130.26
2007-10-01	38012.88
2008-01-01	38561.80
2008-04-01	38561.20
2008-07-01	38785.34
2008-10-01	38814.51
2009-01-01	38389.40
2009-04-01	38592.01
2009-07-01	38504.10
2009-10-01	38619.06
2010-01-01	38491.25
2010-04-01	38673.44
2010-07-01	38579.11
2010-10-01	38551.53
2011-01-01	38777.65
2011-04-01	38621.61
2011-07-01	38717.92
2011-10-01	38749.71