Quarter	Percent, Seasonally Adjusted
1999-01-01	40.9974491868850
1999-04-01	41.2248743581454
1999-07-01	41.2765726976417
1999-10-01	41.3591706726277
2000-01-01	41.2700249343071
2000-04-01	41.6257672115710
2000-07-01	41.6535041591546
2000-10-01	41.6141348079610
2001-01-01	41.7371145009805
2001-04-01	41.3741002652498
2001-07-01	41.4705895135420
2001-10-01	41.1235539078118
2002-01-01	41.1103686599076
2002-04-01	41.1862430329984
2002-07-01	41.0326257915903
2002-10-01	40.8785043890085
2003-01-01	40.5558874547725
2003-04-01	40.3937194717142
2003-07-01	40.5883980075562
2003-10-01	40.6442013144040
2004-01-01	42.1275258214902
2004-04-01	42.0591052607375
2004-07-01	42.0495484112479
2004-10-01	42.0557806223389
2005-01-01	41.8478533130366
2005-04-01	41.5667626863160
2005-07-01	41.2333822331150
2005-10-01	41.1219048927297
2006-01-01	41.1186633845097
2006-04-01	40.9745322665363
2006-07-01	40.8365755480597
2006-10-01	40.7419428981880
2007-01-01	40.4269842254819
2007-04-01	40.1573630232156
2007-07-01	39.7490897851477
2007-10-01	39.9227481537390
2008-01-01	39.8110162845992
2008-04-01	39.8545775289511
2008-07-01	39.9457834147413
2008-10-01	39.6974979571651
2009-01-01	39.7525047950845
2009-04-01	39.5517439097785
2009-07-01	39.4398861895214
2009-10-01	39.4763805208872
2010-01-01	39.6462680087170
2010-04-01	39.6167473926238
2010-07-01	39.5701039589798
2010-10-01	39.5805102601949
2011-01-01	39.4724350337011
2011-04-01	39.5853815699718
2011-07-01	39.5869209777950
2011-10-01	39.3993536405398
2012-01-01	39.4324952572191
2012-04-01	39.1912567135547
2012-07-01	39.1721607721005
2012-10-01	39.1547220580910
2013-01-01	39.0619240287788
2013-04-01	39.0994074079769
2013-07-01	38.9905318228010
2013-10-01	39.1666785313562
2014-01-01	39.1840219832004
2014-04-01	39.2346015080542
2014-07-01	39.4316032316845
2014-10-01	39.3744185787328
2015-01-01	39.4354115029791
2015-04-01	39.3698194372872
2015-07-01	39.2411549873536
2015-10-01	39.0652655218634
2016-01-01	38.9214121000482
2016-04-01	38.7880695830023
2016-07-01	38.6401467693445
2016-10-01	38.8217943637346
2017-01-01	38.8526946602253
2017-04-01	38.7726712190454
2017-07-01	38.8508497758501
2017-10-01	38.6474320419902
2018-01-01	38.6868068096348
2018-04-01	38.7263938597319