Quarter	Percent, Seasonally Adjusted
1999-01-01	4.40521811098493
1999-04-01	4.64970131650389
1999-07-01	4.99920287252045
1999-10-01	5.12105436279923
2000-01-01	4.66039276915166
2000-04-01	4.17493113451412
2000-07-01	3.59744739360782
2000-10-01	3.88366649851455
2001-01-01	4.27532339843092
2001-04-01	3.78176981916901
2001-07-01	4.22500807568465
2001-10-01	4.62890230645117
2002-01-01	4.18576779962936
2002-04-01	4.44590942375960
2002-07-01	4.35613829207551
2002-10-01	4.28098275419774
2003-01-01	4.28105778828927
2003-04-01	5.31578874849849
2003-07-01	5.02729367662125
2003-10-01	5.03188719813487
2004-01-01	5.18054951751763
2004-04-01	5.24853475774267
2004-07-01	5.64143046505076
2004-10-01	4.59535689011321
2005-01-01	5.28768173724769
2005-04-01	4.35817328440936
2005-07-01	4.27851820774712
2005-10-01	4.18084895949036
2006-01-01	3.60641676624778
2006-04-01	3.53543057250714
2006-07-01	3.13134671953378
2006-10-01	3.30688617399947
2007-01-01	3.65833504297311
2007-04-01	3.37787296861234
2007-07-01	3.63804526362866
2007-10-01	3.25067187815308
2008-01-01	3.05312794412668
2008-04-01	2.81531632451530
2008-07-01	3.08155779228488
2008-10-01	3.92701603537349
2009-01-01	5.59009287357823
2009-04-01	6.79962990530782
2009-07-01	7.02986796430026
2009-10-01	7.67851558993294
2010-01-01	8.83952445206474
2010-04-01	9.40272316009602
2010-07-01	7.86238694786365
2010-10-01	8.01603963412669
2011-01-01	8.05307961313589
2011-04-01	8.03833960848160
2011-07-01	7.53497806920097
2011-10-01	7.77379875901989
2012-01-01	7.77611741893857
2012-04-01	8.23906656633748
2012-07-01	7.65066770575953
2012-10-01	7.23559631552299
2013-01-01	7.30072659518052
2013-04-01	6.65706286669316
2013-07-01	7.48464215012494
2013-10-01	6.29259655536125
2014-01-01	6.74572056884022
2014-04-01	6.24441782485333
2014-07-01	6.74537952695341
2014-10-01	6.60226265706877
2015-01-01	6.27632543559408
2015-04-01	6.22761156262127
2015-07-01	5.98522816482250
2015-10-01	5.92057370087100
2016-01-01	5.72280524159652
2016-04-01	6.09539777890063
2016-07-01	5.91772946182710
2016-10-01	6.11754658778554
2017-01-01	6.24990406279246
2017-04-01	5.61721445183836
2017-07-01	5.86295205449798
2017-10-01	5.18628932649338
2018-01-01	4.64478525097776
2018-04-01	5.01070469394321