Quarter	Percent, Seasonally Adjusted
1999-01-01	9.06536085192804
1999-04-01	9.13539946450301
1999-07-01	8.32819984837500
1999-10-01	7.91452459267103
2000-01-01	7.27573021293424
2000-04-01	6.98880196506410
2000-07-01	7.05626780917167
2000-10-01	6.86672515227726
2001-01-01	6.23718518624646
2001-04-01	6.53446589919307
2001-07-01	6.34697341758190
2001-10-01	7.44969931538773
2002-01-01	7.36745131202501
2002-04-01	7.30648324317794
2002-07-01	7.48964758915113
2002-10-01	8.03548475340611
2003-01-01	8.12468879542768
2003-04-01	8.10691041623147
2003-07-01	8.19676917779624
2003-10-01	8.43694741552668
2004-01-01	8.62063842126796
2004-04-01	7.79200784025158
2004-07-01	8.98081623919124
2004-10-01	8.35681496895092
2005-01-01	8.50626651002417
2005-04-01	8.51649037663979
2005-07-01	8.53362874926039
2005-10-01	8.44433516204869
2006-01-01	8.61219896834098
2006-04-01	8.73075455976404
2006-07-01	7.93522610420910
2006-10-01	7.91401973123617
2007-01-01	7.92814199217194
2007-04-01	8.00508504860411
2007-07-01	7.06501417568174
2007-10-01	7.00897032910876
2008-01-01	7.01765438142728
2008-04-01	6.66155009348174
2008-07-01	7.58446399699408
2008-10-01	6.78963330001084
2009-01-01	7.87681177529742
2009-04-01	7.86431154780516
2009-07-01	8.04711956993930
2009-10-01	8.03296806338154
2010-01-01	8.57039602127922
2010-04-01	8.53557828573851
2010-07-01	8.48020635003394
2010-10-01	7.82488914500551
2011-01-01	7.12979253804617
2011-04-01	6.95341724205750
2011-07-01	7.62350587428911
2011-10-01	7.06072053236849
2012-01-01	7.17722977998745
2012-04-01	7.40040561453720
2012-07-01	7.59701290787335
2012-10-01	8.20963139571756
2013-01-01	8.41112646086220
2013-04-01	8.55501262949672
2013-07-01	8.51667601705655
2013-10-01	8.49428728895777
2014-01-01	8.67743995309549
2014-04-01	8.63736839079170
2014-07-01	8.54668010661163
2014-10-01	8.52861981493574
2015-01-01	8.73830409920938
2015-04-01	8.79311244129480
2015-07-01	8.05503127858658
2015-10-01	8.66748665756469
2016-01-01	8.27078918420295
2016-04-01	8.34593075725186
2016-07-01	7.76529532038402
2016-10-01	7.17584128154870
2017-01-01	7.69955333455844
2017-04-01	7.38660211548694
2017-07-01	7.11611697765227
2017-10-01	6.39238091494737
2018-01-01	6.11703887951973
2018-04-01	6.42563850756483