Quarter	Thousands of Persons, Seasonally Adjusted
1999-01-01	4406.343
1999-04-01	4387.580
1999-07-01	4372.820
1999-10-01	4362.511
2000-01-01	4381.640
2000-04-01	4433.863
2000-07-01	4417.029
2000-10-01	4371.418
2001-01-01	4349.068
2001-04-01	4329.339
2001-07-01	4342.675
2001-10-01	4348.922
2002-01-01	4380.754
2002-04-01	4381.668
2002-07-01	4416.238
2002-10-01	4422.457
2003-01-01	4395.292
2003-04-01	4423.856
2003-07-01	4423.099
2003-10-01	4487.473
2004-01-01	4505.835
2004-04-01	4507.165
2004-07-01	4541.853
2004-10-01	4517.620
2005-01-01	4613.454
2005-04-01	4617.750
2005-07-01	4640.174
2005-10-01	4633.553
2006-01-01	4603.567
2006-04-01	4634.285
2006-07-01	4649.780
2006-10-01	4703.010
2007-01-01	4715.590
2007-04-01	4742.725
2007-07-01	4723.333
2007-10-01	4753.077
2008-01-01	4775.569
2008-04-01	4754.048
2008-07-01	4834.449
2008-10-01	4753.636
2009-01-01	4783.795
2009-04-01	4795.941
2009-07-01	4803.628
2009-10-01	4817.387
2010-01-01	4877.174
2010-04-01	4881.492
2010-07-01	4904.560
2010-10-01	4914.159
2011-01-01	4784.722
2011-04-01	4912.518
2011-07-01	4858.490
2011-10-01	4867.644