Quarter	Percent, Seasonally Adjusted
1999-07-01	28.5449670596146
1999-10-01	28.2247876770287
2000-01-01	28.3871564272513
2000-04-01	27.9132981027329
2000-07-01	28.7418488603231
2000-10-01	28.8263827544270
2001-01-01	27.9299662223266
2001-04-01	28.3201939402122
2001-07-01	27.9132577215145
2001-10-01	27.7812243028962
2002-01-01	29.2594223725936
2002-04-01	29.1084739001045
2002-07-01	28.5981494258700
2002-10-01	28.1840564233175
2003-01-01	28.0154174983893
2003-04-01	27.7956910650818
2003-07-01	28.4857776349866
2003-10-01	29.7149841100399
2004-01-01	29.4852439515119
2004-04-01	29.1160642925297
2004-07-01	28.5956725680455
2004-10-01	30.0359383354464
2005-01-01	28.5323735713725
2005-04-01	27.5204259329414
2005-07-01	26.9924051718792
2005-10-01	26.2487297088782
2006-01-01	26.1838276065904
2006-04-01	25.4309848908589
2006-07-01	24.9905058911012
2006-10-01	24.4628502878403
2007-01-01	24.6757700765885
2007-04-01	24.0708150222805
2007-07-01	23.8219557972712
2007-10-01	23.3210529313319
2008-01-01	21.8276954159909
2008-04-01	21.8615906405552
2008-07-01	21.0662221604272
2008-10-01	19.6060911189977
2009-01-01	19.1363871619513
2009-04-01	20.4345778328654
2009-07-01	20.8979075544839
2009-10-01	20.2324587173172
2010-01-01	19.9431711732197
2010-04-01	19.6667854113081
2010-07-01	19.8183985425521
2010-10-01	20.3836150350922
2011-01-01	21.0466220512056
2011-04-01	20.8526131324850
2011-07-01	20.6371440231852
2011-10-01	21.3674439175472
2012-01-01	21.9033749781960
2012-04-01	21.9067621296382
2012-07-01	22.0951337472564
2012-10-01	21.7635937671772
2013-01-01	21.5066720373816
2013-04-01	21.7831991137869
2013-07-01	22.4325958750703
2013-10-01	23.2392609481930
2014-01-01	24.4793171145844
2014-04-01	23.5014457624165
2014-07-01	24.9576726788501
2014-10-01	24.6572931464502
2015-01-01	25.7202982363640
2015-04-01	26.0742325547743
2015-07-01	25.3592230380394
2015-10-01	25.7686902486973
2016-01-01	25.4102396564818
2016-04-01	26.1455654111452
2016-07-01	25.9687690466585
2016-10-01	25.6172049744810
2017-01-01	25.4261771924806
2017-04-01	27.0149366924466
2017-07-01	26.1704648505858
2017-10-01	25.6140549524151
2018-01-01	25.0987671635179
2018-04-01	23.9153876347447
2018-07-01	24.0288856967185