Quarter	Percent, Seasonally Adjusted
2000-01-01	15.97012556105700
2000-04-01	16.20086826028460
2000-07-01	16.45008077337000
2000-10-01	16.89899116741710
2001-01-01	17.61657855067330
2001-04-01	18.38273867190530
2001-07-01	18.82525579877100
2001-10-01	19.47990252267210
2002-01-01	19.88698274499860
2002-04-01	20.21891108077340
2002-07-01	20.48352620433310
2002-10-01	20.45962828146270
2003-01-01	20.11855386473070
2003-04-01	19.84576078797760
2003-07-01	19.98771591972020
2003-10-01	19.82885461843550
2004-01-01	19.87721712795690
2004-04-01	19.42841438543390
2004-07-01	19.06616977201190
2004-10-01	18.72263367440840
2005-01-01	18.52281733965320
2005-04-01	18.52260489585760
2005-07-01	17.91452009837800
2005-10-01	17.09160106758250
2006-01-01	15.91346356960940
2006-04-01	14.64975333181680
2006-07-01	13.38067278006230
2006-10-01	12.17691536635920
2007-01-01	10.96856840705460
2007-04-01	9.98762810231956
2007-07-01	9.35181540740092
2007-10-01	8.55236897152889
2008-01-01	7.71821911960233
2008-04-01	7.32455958692129
2008-07-01	6.89595025318830
2008-10-01	6.86507870941974
2009-01-01	7.82337110587225
2009-04-01	8.07620071041573
2009-07-01	8.46361526465733
2009-10-01	8.71616247615976
2010-01-01	9.93317878989946
2010-04-01	9.74067985174436
2010-07-01	9.65990320393399
2010-10-01	9.66451347355548
2011-01-01	9.57682991377639
2011-04-01	9.70181321549036
2011-07-01	9.76849324196348
2011-10-01	9.97671914490088
2012-01-01	9.97758497266326
2012-04-01	10.09270651686240
2012-07-01	10.34952654879150
2012-10-01	10.43701913980680
2013-01-01	10.56816585333410
2013-04-01	10.60893715965710
2013-07-01	10.46193473266520
2013-10-01	10.18211185723880
2014-01-01	9.89662822520668
2014-04-01	9.36549490293310
2014-07-01	8.75559705898744
2014-10-01	8.40043446492009
2015-01-01	8.15379076564289
2015-04-01	7.70917556803192
2015-07-01	7.42105077438788
2015-10-01	7.10797250687686
2016-01-01	6.73369942856865
2016-04-01	6.40226010361549
2016-07-01	6.13341978495754
2016-10-01	5.70500454060261
2017-01-01	5.32433142804771
2017-04-01	5.17243312121601
2017-07-01	4.84394681907804
2017-10-01	4.52254659394963
2018-01-01	4.10025699729418
2018-04-01	3.77874511067776