Quarter	Percent, Seasonally Adjusted
1999-01-01	13.64250210583130
1999-04-01	13.74669785861160
1999-07-01	12.90952957949960
1999-10-01	12.37681010479400
2000-01-01	11.53175534165040
2000-04-01	10.37881248126650
2000-07-01	10.87684678258960
2000-10-01	9.85359444274533
2001-01-01	9.66378115232854
2001-04-01	9.32277651297659
2001-07-01	9.33873293135757
2001-10-01	9.01577761744297
2002-01-01	7.82696808686563
2002-04-01	8.19191249757467
2002-07-01	7.77163199465399
2002-10-01	8.76593390380844
2003-01-01	8.70554830910919
2003-04-01	8.69143861945004
2003-07-01	8.37501867545060
2003-10-01	8.02374519421068
2004-01-01	8.52647648286109
2004-04-01	7.94949530248332
2004-07-01	7.74488713431984
2004-10-01	7.80939894815156
2005-01-01	7.21903071698352
2005-04-01	7.29342959072099
2005-07-01	7.26465236365828
2005-10-01	7.46436146501601
2006-01-01	7.32464973518986
2006-04-01	8.27725868413265
2006-07-01	7.34826565832940
2006-10-01	7.04133821926071
2007-01-01	7.12535618952489
2007-04-01	6.21763385689385
2007-07-01	6.34547887765527
2007-10-01	6.06092831982441
2008-01-01	6.44767537492517
2008-04-01	5.74163576216884
2008-07-01	6.50773355708320
2008-10-01	7.58007164875053
2009-01-01	9.04911931368444
2009-04-01	9.46986925146714
2009-07-01	8.97127079277408
2009-10-01	8.61843688026842
2010-01-01	8.53294993473144
2010-04-01	8.20384258126603
2010-07-01	7.79079973220834
2010-10-01	7.35367614335701
2011-01-01	7.28062071250910
2011-04-01	6.99970143838434
2011-07-01	6.93508884197734
2011-10-01	6.51615989957074
2012-01-01	6.17270694880287
2012-04-01	5.79045318429538
2012-07-01	5.73382069110020
2012-10-01	5.54735686647476
2013-01-01	5.60427243634953
2013-04-01	5.82070535930582
2013-07-01	6.02948376514977
2013-10-01	5.70370270061780
2014-01-01	5.53223444717583
2014-04-01	5.50440202796264
2014-07-01	5.44074685448838
2014-10-01	5.45344113795713
2015-01-01	5.65865310539199
2015-04-01	5.88166003585888
2015-07-01	5.71938186771386
2015-10-01	6.03135218339539
2016-01-01	5.79572552425111
2016-04-01	5.94675392412071
2016-07-01	5.76463882464604
2016-10-01	5.48482747726756
2017-01-01	5.33232179527356
2017-04-01	5.40662792233832
2017-07-01	5.38720025638047
2017-10-01	5.31503654904019
2018-01-01	4.89021022650134
2018-04-01	4.86337864035057
2018-07-01	4.88899729188972