Quarter	Percent, Seasonally Adjusted
1999-01-01	4.56563352851975
1999-04-01	4.49428916201350
1999-07-01	5.16424611830409
1999-10-01	5.19446867087492
2000-01-01	4.63659813435814
2000-04-01	4.25301769350408
2000-07-01	3.94812850905253
2000-10-01	4.10495793130458
2001-01-01	4.23632031375241
2001-04-01	3.64828839378089
2001-07-01	3.86641939934980
2001-10-01	4.22080661194606
2002-01-01	3.92264789346477
2002-04-01	3.90918551385197
2002-07-01	4.65465353379310
2002-10-01	4.26288871857565
2003-01-01	4.39002271277439
2003-04-01	5.12425936798695
2003-07-01	4.81780495140053
2003-10-01	5.26037115409092
2004-01-01	5.14837833777737
2004-04-01	4.85671996588544
2004-07-01	5.39628344039346
2004-10-01	4.82350204279170
2005-01-01	4.75577282391728
2005-04-01	4.38098014293754
2005-07-01	3.87567317141917
2005-10-01	3.33662118860203
2006-01-01	3.11331977061225
2006-04-01	3.41584182313995
2006-07-01	3.16172702928312
2006-10-01	2.99083619073485
2007-01-01	3.37607640530702
2007-04-01	2.94089968992753
2007-07-01	3.19214552264535
2007-10-01	2.97282658372693
2008-01-01	2.36386213596344
2008-04-01	2.50853147527760
2008-07-01	2.59167730653240
2008-10-01	3.05368933760819
2009-01-01	4.09929953034714
2009-04-01	5.13105592958533
2009-07-01	5.61771487578823
2009-10-01	5.96491933223091
2010-01-01	6.61859318508899
2010-04-01	6.82738222867020
2010-07-01	6.35841187144878
2010-10-01	6.56290866043511
2011-01-01	6.83491774312281
2011-04-01	6.42783956892775
2011-07-01	6.41649142822555
2011-10-01	6.80623482545753
2012-01-01	6.70098374425174
2012-04-01	7.02753061126020
2012-07-01	6.67311786098647
2012-10-01	6.45171185682597
2013-01-01	6.60491643327809
2013-04-01	6.11741465099201
2013-07-01	6.24127481651845
2013-10-01	6.17171436745471
2014-01-01	6.32189383444434
2014-04-01	5.60952879472912
2014-07-01	5.86266646922446
2014-10-01	5.72057052269532
2015-01-01	5.87457052401244
2015-04-01	6.00616430883497
2015-07-01	5.51787333117425
2015-10-01	5.53225175728328
2016-01-01	5.10921416049009
2016-04-01	5.69588452952046
2016-07-01	5.65690070367561
2016-10-01	5.68208222760077
2017-01-01	5.51703922971232
2017-04-01	5.27469230106429
2017-07-01	5.20627642848249
2017-10-01	4.84553870099923
2018-01-01	4.20826191313836
2018-04-01	4.68974752807981