Quarter	Percent, Seasonally Adjusted
1999-07-01	23.4968816548921
1999-10-01	24.1282396557980
2000-01-01	24.4893126051823
2000-04-01	24.0458370744214
2000-07-01	24.9149247121599
2000-10-01	25.0795830218280
2001-01-01	23.9642434368288
2001-04-01	24.9949151773719
2001-07-01	24.6905525464934
2001-10-01	24.1776160868129
2002-01-01	25.9721224012746
2002-04-01	26.2377315354987
2002-07-01	25.7086388055814
2002-10-01	25.4989391283249
2003-01-01	25.0054219119865
2003-04-01	24.5971428311750
2003-07-01	25.2221871973924
2003-10-01	25.7739418563463
2004-01-01	26.0352604410501
2004-04-01	25.5115586632958
2004-07-01	25.2500962096566
2004-10-01	26.3158187120996
2005-01-01	25.0689294212701
2005-04-01	24.2700198694838
2005-07-01	23.6789553358980
2005-10-01	23.0018478722632
2006-01-01	22.8555493510131
2006-04-01	22.6309780998607
2006-07-01	22.3009265776334
2006-10-01	21.3273375267792
2007-01-01	22.0632918992879
2007-04-01	21.3230946961310
2007-07-01	20.9575147485764
2007-10-01	20.8627422465773
2008-01-01	19.5693393661264
2008-04-01	19.4743522087822
2008-07-01	18.4653981986270
2008-10-01	17.1708065506495
2009-01-01	16.7553871834261
2009-04-01	17.8918808880144
2009-07-01	18.5109307898689
2009-10-01	17.9124197135654
2010-01-01	17.4819841916066
2010-04-01	17.3197041241740
2010-07-01	17.7198230365757
2010-10-01	18.4137424069220
2011-01-01	18.5051652347573
2011-04-01	18.3559776593629
2011-07-01	18.1754169524403
2011-10-01	18.8140614968926
2012-01-01	19.9709571151234
2012-04-01	19.7113814678381
2012-07-01	19.9294839131562
2012-10-01	19.5402498105811
2013-01-01	19.4923734373137
2013-04-01	19.7903297929706
2013-07-01	20.0657342621176
2013-10-01	20.9262906218362
2014-01-01	21.6759940277860
2014-04-01	20.8428516493886
2014-07-01	22.1429164769549
2014-10-01	22.0339981453484
2015-01-01	22.6452393004944
2015-04-01	22.9478233898313
2015-07-01	22.6736330455506
2015-10-01	23.0222965450683
2016-01-01	22.4211637995131
2016-04-01	23.2297235597098
2016-07-01	23.0076698816228
2016-10-01	23.1554937095176
2017-01-01	22.8797113442857
2017-04-01	23.8207438317011
2017-07-01	23.3708025733003
2017-10-01	22.4572764130638
2018-01-01	22.3424128894259
2018-04-01	21.5192856857688
2018-07-01	21.2781577915299