Quarter	Percent, Seasonally Adjusted
1998-01-01	11.89970001768170
1998-04-01	12.02570593014950
1998-07-01	12.00452896316410
1998-10-01	11.79739818898620
1999-01-01	10.55038872361130
1999-04-01	11.05638037863490
1999-07-01	10.75540090765200
1999-10-01	10.52123947612920
2000-01-01	11.15009252352360
2000-04-01	10.66921244868590
2000-07-01	10.41244449884370
2000-10-01	10.11195786276610
2001-01-01	10.10283400293540
2001-04-01	9.55990112374924
2001-07-01	9.54569374906679
2001-10-01	9.47984187446021
2002-01-01	9.40235724334336
2002-04-01	9.03694419636240
2002-07-01	8.82099213756634
2002-10-01	8.96010774863058
2003-01-01	8.86719710876815
2003-04-01	8.81878789470662
2003-07-01	8.84727117963028
2003-10-01	8.97917660762920
2004-01-01	8.74364238020747
2004-04-01	9.40916339279751
2004-07-01	8.88820458308422
2004-10-01	8.64799033584575
2005-01-01	8.70620614128678
2005-04-01	8.55390300654524
2005-07-01	8.45727771322207
2005-10-01	8.73118288426524
2006-01-01	8.24440167825409
2006-04-01	8.10774877965959
2006-07-01	8.09781019544478
2006-10-01	7.87613745188702
2007-01-01	7.47485096382033
2007-04-01	7.12678634726092
2007-07-01	7.25461903075375
2007-10-01	6.91184832720080
2008-01-01	6.70838779341019
2008-04-01	6.68525408691222
2008-07-01	6.69891167824937
2008-10-01	6.66888647031656
2009-01-01	6.66224630795215
2009-04-01	7.54777064428861
2009-07-01	7.91805071188376
2009-10-01	8.16369728376719
2010-01-01	7.72094692548239
2010-04-01	7.81395729324150
2010-07-01	7.53171169223791
2010-10-01	7.49765568254728
2011-01-01	7.65898931014332
2011-04-01	7.29351960726741
2011-07-01	6.91911702197285
2011-10-01	6.55485329482928
2012-01-01	6.87376045758781
2012-04-01	6.92630816907624
2012-07-01	7.51613669551099
2012-10-01	6.90588096642090
2013-01-01	7.52651643347832
2013-04-01	7.17696645118428
2013-07-01	7.33427759347906
2013-10-01	8.02931457799849
2014-01-01	7.89619217568155
2014-04-01	7.86811792047690
2014-07-01	7.74097009421598
2014-10-01	8.31424542763126
2015-01-01	8.49012401664955
2015-04-01	8.97198854644970
2015-07-01	8.95656020034470
2015-10-01	8.95135380192214
2016-01-01	8.66516482174904
2016-04-01	8.73968114877013
2016-07-01	8.40693393661532
2016-10-01	8.51681475723417
2017-01-01	8.40993398004051
2017-04-01	8.63415996568291
2017-07-01	8.62940459646932
2017-10-01	7.89616875952085
2018-01-01	8.45788759536403
2018-04-01	6.97465821653061