Quarter	Percent, Seasonally Adjusted
2001-01-01	45.2777665867388
2001-04-01	43.9111745058927
2001-07-01	43.2342159266025
2001-10-01	42.4820329911290
2002-01-01	41.8816318408444
2002-04-01	42.0783841399242
2002-07-01	41.5272078012380
2002-10-01	41.5894939176305
2003-01-01	40.7845830481514
2003-04-01	41.1326228217322
2003-07-01	40.4796040712716
2003-10-01	39.1423672610300
2004-01-01	38.3481714614596
2004-04-01	37.7752043279378
2004-07-01	39.1230391598801
2004-10-01	39.2395368541274
2005-01-01	39.4356561706025
2005-04-01	38.1253248961397
2005-07-01	37.4587455537189
2005-10-01	37.8578328215892
2006-01-01	38.5838937056676
2006-04-01	39.7857453570741
2006-07-01	40.5302447036496
2006-10-01	41.7437286048207
2007-01-01	42.6593779448739
2007-04-01	40.3517405467895
2007-07-01	42.6029103213052
2007-10-01	42.5897898369401
2008-01-01	43.1218374081708
2008-04-01	42.1114310556401
2008-07-01	42.5113757864686
2008-10-01	41.2270021605504
2009-01-01	39.1950477477189
2009-04-01	38.7021465568478
2009-07-01	36.5541361552354
2009-10-01	36.1665645741861
2010-01-01	36.4104077833794
2010-04-01	38.3954900511812
2010-07-01	39.3180755491896
2010-10-01	39.9317664937081
2011-01-01	40.8788907769929
2011-04-01	41.2958748865445
2011-07-01	40.9217724719161
2011-10-01	40.0597603747666
2012-01-01	38.7856505210152
2012-04-01	38.7758933587428
2012-07-01	38.6950336057787
2012-10-01	39.0229372438134
2013-01-01	39.6216655090506
2013-04-01	40.0605458301320
2013-07-01	41.3223068055601
2013-10-01	41.1319945374753
2014-01-01	41.4564494201948
2014-04-01	41.1495630957035
2014-07-01	42.0967232210007
2014-10-01	41.6340317967116
2015-01-01	42.5629887524609
2015-04-01	41.5671203250904
2015-07-01	42.2065074315452
2015-10-01	43.3110933053142
2016-01-01	42.7743625851425
2016-04-01	43.9250226008556
2016-07-01	42.1378820275217
2016-10-01	43.4445118443612
2017-01-01	43.4648201828534
2017-04-01	43.8878943304311
2017-07-01	44.0116860055816
2017-10-01	44.2865268866648
2018-01-01	44.3241475384684
2018-04-01	42.8349131675686