Quarter	Percent, Seasonally Adjusted
1998-01-01	42.9503554123684
1998-04-01	42.9141463685222
1998-07-01	42.1283961126398
1998-10-01	42.4534335871737
1999-01-01	42.3708959859308
1999-04-01	42.5692352459470
1999-07-01	42.6554283582548
1999-10-01	43.1122917641678
2000-01-01	42.3775519803770
2000-04-01	41.6794004756551
2000-07-01	42.2239667773647
2000-10-01	42.5525021257102
2001-01-01	42.7302420435688
2001-04-01	42.8150981783284
2001-07-01	43.4481493812851
2001-10-01	42.6032615303315
2002-01-01	42.6687629014818
2002-04-01	42.4779923778584
2002-07-01	41.7507809639688
2002-10-01	41.6580280294101
2003-01-01	40.3574424865939
2003-04-01	38.9866623985742
2003-07-01	38.0083037609866
2003-10-01	37.0871752768582
2004-01-01	36.9324619909381
2004-04-01	36.8188071010511
2004-07-01	36.4730416548452
2004-10-01	35.8928196379640
2005-01-01	35.6849106509051
2005-04-01	35.4353521523219
2005-07-01	35.0737895973290
2005-10-01	34.9500741440799
2006-01-01	35.1910733658226
2006-04-01	35.2448749334822
2006-07-01	34.5849179240963
2006-10-01	34.0895536611017
2007-01-01	34.3293364068602
2007-04-01	34.2730756681052
2007-07-01	34.5603349254590
2007-10-01	34.4989891278564
2008-01-01	34.7062824648460
2008-04-01	34.7482126082061
2008-07-01	33.5787350136499
2008-10-01	33.2665876324399
2009-01-01	32.0869966224311
2009-04-01	31.1343621355145
2009-07-01	30.5971851857963
2009-10-01	29.5170468742178
2010-01-01	28.7724130050040
2010-04-01	28.3532201258874
2010-07-01	26.9110951832161
2010-10-01	27.5624223401702
2011-01-01	27.7517244130008
2011-04-01	26.5691299487473
2011-07-01	27.0157230092100
2011-10-01	25.0910669698383
2012-01-01	24.0996430019373
2012-04-01	23.4466365898445
2012-07-01	22.7663404172344
2012-10-01	21.7447528284874
2013-01-01	20.9581825441825
2013-04-01	21.4495546626298
2013-07-01	22.0754796750289
2013-10-01	22.1941434406831
2014-01-01	22.2186557700667
2014-04-01	21.5387975714816
2014-07-01	23.4786047949142
2014-10-01	22.2628009605034
2015-01-01	22.6627656677749
2015-04-01	22.6626509713469
2015-07-01	23.0661049629056
2015-10-01	22.8620071875226
2016-01-01	23.4229079570567
2016-04-01	23.8726510800470
2016-07-01	24.0031663951415
2016-10-01	24.2824213214374
2017-01-01	25.5625339250011
2017-04-01	25.5181880715362
2017-07-01	25.8677306311461
2017-10-01	26.5393121069332
2018-01-01	26.5436575838612
2018-04-01	26.7989530582022