Quarter	Thousands of Persons, Seasonally Adjusted
1998-04-01	190.1000
1999-04-01	164.8000
2000-01-01	121.4536
2000-04-01	129.1302
2000-07-01	139.3636
2000-10-01	137.8493
2001-01-01	104.6818
2001-04-01	95.8682
2001-07-01	100.0786
2001-10-01	104.5540
2002-01-01	114.7398
2002-04-01	111.0533
2002-07-01	115.2340
2002-10-01	121.9164
2003-01-01	130.8178
2003-04-01	146.6796
2003-07-01	147.3496
2003-10-01	157.8051
2004-01-01	174.7892
2004-04-01	195.0582
2004-07-01	175.6230
2004-10-01	187.1863
2005-01-01	194.2052
2005-04-01	197.9433
2005-07-01	192.7003
2005-10-01	189.4908
2006-01-01	176.3101
2006-04-01	167.9501
2006-07-01	164.5881
2006-10-01	166.4737
2007-01-01	158.5337
2007-04-01	147.7939
2007-07-01	141.1229
2007-10-01	129.0685
2008-01-01	123.6967
2008-04-01	129.5884
2008-07-01	116.8088
2008-10-01	115.1636
2009-01-01	122.7358
2009-04-01	137.2076
2009-07-01	152.4088
2009-10-01	156.2654
2010-01-01	180.3889
2010-04-01	185.3231
2010-07-01	182.5001
2010-10-01	178.1969
2011-01-01	168.6739
2011-04-01	166.6866
2011-07-01	179.8930
2011-10-01	197.0678