Quarter	Percent, Seasonally Adjusted
2002-01-01	13.52871920529120
2002-04-01	14.74852779367910
2002-07-01	11.31061629234500
2002-10-01	13.23421767342040
2003-01-01	11.60936005679200
2003-04-01	12.00423728386270
2003-07-01	12.50242224078780
2003-10-01	10.24791503275490
2004-01-01	12.12526991688070
2004-04-01	11.09580492868300
2004-07-01	11.44147210336460
2004-10-01	11.36572300935180
2005-01-01	10.70755883738880
2005-04-01	10.85009861412080
2005-07-01	9.77249480681718
2005-10-01	9.02075005840586
2006-01-01	8.28039421118750
2006-04-01	7.94300421356359
2006-07-01	6.58311167949157
2006-10-01	6.43792203562033
2007-01-01	7.89662855348711
2007-04-01	6.53306615748071
2007-07-01	6.04579590473431
2007-10-01	5.57180596119810
2008-01-01	7.24788923347600
2008-04-01	6.54298444283897
2008-07-01	7.97485417736932
2008-10-01	11.79503118062400
2009-01-01	17.18719726293260
2009-04-01	20.67303035911400
2009-07-01	22.29196374486870
2009-10-01	23.74217708561840
2010-01-01	26.45143540262760
2010-04-01	23.62848131891720
2010-07-01	21.22211098560980
2010-10-01	19.56148319095770
2011-01-01	19.90860657789120
2011-04-01	20.03179400547280
2011-07-01	17.30920737774560
2011-10-01	17.25183810282450
2012-01-01	17.39140051494440
2012-04-01	17.26141048128340
2012-07-01	14.27387102943410
2012-10-01	15.70350388902790
2013-01-01	14.37474687696740
2013-04-01	12.01905500990150
2013-07-01	12.12278059305960
2013-10-01	11.85483730528220
2014-01-01	13.52773221641490
2014-04-01	12.17554737396660
2014-07-01	11.17363813444880
2014-10-01	10.47023109660420
2015-01-01	10.77677716121670
2015-04-01	11.35596312107840
2015-07-01	11.20823008900770
2015-10-01	11.03935465374020
2016-01-01	10.90741083280710
2016-04-01	10.55118356011310
2016-07-01	11.32819749663780
2016-10-01	10.81005655532190
2017-01-01	10.47610423268140
2017-04-01	10.31337098776390
2017-07-01	9.21125071770830
2017-10-01	9.01746083622199
2018-01-01	8.88255170305304
2018-04-01	9.17092360711111