Quarter	Thousands of Persons, Seasonally Adjusted
2000-01-01	22985.14
2000-04-01	23351.35
2000-07-01	22967.02
2000-10-01	22841.15
2001-01-01	23349.94
2001-04-01	23403.69
2001-07-01	23802.54
2001-10-01	23387.67
2002-01-01	23181.52
2002-04-01	23838.99
2002-07-01	24089.06
2002-10-01	24604.36
2003-01-01	24355.37
2003-04-01	23751.55
2003-07-01	23692.28
2003-10-01	23395.48
2004-01-01	23896.64
2004-04-01	24123.04
2004-07-01	24288.58
2004-10-01	24454.00
2005-01-01	22255.43
2005-04-01	22468.04
2005-07-01	22428.81
2005-10-01	22689.78
2006-01-01	22279.50
2006-04-01	22657.52
2006-07-01	22868.72
2006-10-01	23164.60
2007-01-01	23002.72
2007-04-01	23163.93
2007-07-01	23226.00
2007-10-01	23047.61
2008-01-01	23248.58
2008-04-01	23716.84
2008-07-01	23962.57
2008-10-01	24247.68
2009-01-01	24302.42
2009-04-01	24501.58
2009-07-01	24931.83
2009-10-01	25241.67
2010-01-01	25567.37
2010-04-01	25553.31
2010-07-01	25572.45
2010-10-01	25907.52
2011-01-01	26508.39
2011-04-01	26632.56
2011-07-01	26805.33
2011-10-01	26948.04