Quarter	Percent, Seasonally Adjusted
2000-01-01	15.70266821737670
2000-04-01	15.81033452256660
2000-07-01	16.00276404557300
2000-10-01	16.34680347718160
2001-01-01	16.70245261631720
2001-04-01	17.26789093558570
2001-07-01	17.46372175228440
2001-10-01	17.88677655445260
2002-01-01	18.17946382836630
2002-04-01	18.40925338479940
2002-07-01	18.57340808618180
2002-10-01	18.37988121132910
2003-01-01	18.26060873738170
2003-04-01	17.85638096327540
2003-07-01	18.10180393206820
2003-10-01	17.89219895598140
2004-01-01	17.94024464992340
2004-04-01	17.81328935748450
2004-07-01	17.35474423024860
2004-10-01	17.61828468458580
2005-01-01	17.75185787979070
2005-04-01	17.74967382729580
2005-07-01	17.59674024872060
2005-10-01	16.57686586830680
2006-01-01	15.24440810075930
2006-04-01	14.05767647938610
2006-07-01	12.75428352988680
2006-10-01	11.52965856599700
2007-01-01	10.49643201634690
2007-04-01	9.36120397004918
2007-07-01	8.49291729570692
2007-10-01	7.85666476809825
2008-01-01	7.22379686029772
2008-04-01	7.02681882146200
2008-07-01	6.96339227888596
2008-10-01	6.18039969330930
2009-01-01	7.38834774151997
2009-04-01	7.48905581440809
2009-07-01	7.64728857945816
2009-10-01	7.74930703184085
2010-01-01	9.05524987419345
2010-04-01	8.49914777600089
2010-07-01	8.58039943692838
2010-10-01	8.72325320532532
2011-01-01	8.79325397776596
2011-04-01	9.04253976174351
2011-07-01	9.19524337590144
2011-10-01	9.42790777513850
2012-01-01	9.43384842120301
2012-04-01	9.58586471115128
2012-07-01	9.85449377261623
2012-10-01	9.90284980995042
2013-01-01	10.20185307032650
2013-04-01	10.18402836630060
2013-07-01	10.06063296285180
2013-10-01	9.71426435537758
2014-01-01	9.39820362556891
2014-04-01	8.97250169588851
2014-07-01	8.36955991313914
2014-10-01	8.08227088782477
2015-01-01	7.69553750680950
2015-04-01	7.26244489433255
2015-07-01	6.96115825726673
2015-10-01	6.59779237281265
2016-01-01	6.18527892244984
2016-04-01	5.88874308726923
2016-07-01	5.51249998098781
2016-10-01	5.20437443722877
2017-01-01	4.70427005665967
2017-04-01	4.50177264798124
2017-07-01	4.31869469186874
2017-10-01	4.01402968656582
2018-01-01	3.76082079826144
2018-04-01	3.45474220394666