Quarter	Thousands of Persons, Seasonally Adjusted
1998-04-01	73.4875
1999-01-01	67.8028
1999-04-01	72.9241
1999-07-01	72.7053
1999-10-01	69.8435
2000-01-01	64.4848
2000-04-01	69.0395
2000-07-01	66.2022
2000-10-01	60.5844
2001-01-01	58.5876
2001-04-01	57.4218
2001-07-01	59.3478
2001-10-01	65.8127
2002-01-01	64.1149
2002-04-01	60.7695
2002-07-01	59.9457
2002-10-01	60.1936
2003-01-01	62.5033
2003-04-01	65.2249
2003-07-01	65.2766
2003-10-01	64.0517
2004-01-01	63.0982
2004-04-01	63.7336
2004-07-01	63.2070
2004-10-01	63.4449
2005-01-01	63.4784
2005-04-01	60.9052
2005-07-01	67.2963
2005-10-01	72.5762
2006-01-01	64.8798
2006-04-01	63.6744
2006-07-01	58.9006
2006-10-01	55.7958
2007-01-01	53.2433
2007-04-01	49.8557
2007-07-01	47.6284
2007-10-01	48.5040
2008-01-01	48.1552
2008-04-01	44.7143
2008-07-01	44.5210
2008-10-01	44.4216
2009-01-01	50.3085
2009-04-01	60.3217
2009-07-01	67.0592
2009-10-01	66.9407
2010-01-01	69.4468
2010-04-01	77.0023
2010-07-01	74.9712
2010-10-01	80.2997
2011-01-01	81.0398
2011-04-01	81.1177
2011-07-01	82.5117
2011-10-01	88.2551