Quarter	Thousands of Persons, Seasonally Adjusted
1998-04-01	34.6776
1999-01-01	32.9328
1999-04-01	34.9169
1999-07-01	33.8987
1999-10-01	33.2889
2000-01-01	31.3026
2000-04-01	33.1739
2000-07-01	32.4519
2000-10-01	28.9334
2001-01-01	29.1843
2001-04-01	28.2156
2001-07-01	31.3741
2001-10-01	32.8704
2002-01-01	32.7080
2002-04-01	29.9476
2002-07-01	28.8400
2002-10-01	29.7179
2003-01-01	29.7965
2003-04-01	32.6698
2003-07-01	31.4155
2003-10-01	30.8016
2004-01-01	30.9246
2004-04-01	31.4586
2004-07-01	31.7187
2004-10-01	31.8063
2005-01-01	33.5933
2005-04-01	29.8403
2005-07-01	32.1926
2005-10-01	35.4114
2006-01-01	38.2735
2006-04-01	33.7478
2006-07-01	32.7217
2006-10-01	30.6207
2007-01-01	29.7452
2007-04-01	28.5273
2007-07-01	26.3383
2007-10-01	25.7389
2008-01-01	24.4236
2008-04-01	24.0073
2008-07-01	21.7814
2008-10-01	21.6422
2009-01-01	22.9583
2009-04-01	27.1534
2009-07-01	30.6748
2009-10-01	30.4142
2010-01-01	31.1182
2010-04-01	33.0210
2010-07-01	34.4690
2010-10-01	35.0348
2011-01-01	37.0129
2011-04-01	35.7793
2011-07-01	37.6396
2011-10-01	42.5641