Quarter	Percent, Seasonally Adjusted
1998-01-01	35.1801649328199
1998-04-01	35.2009793858511
1998-07-01	35.4671083768473
1998-10-01	35.1891754248879
1999-01-01	35.2411244460895
1999-04-01	35.0642146572696
1999-07-01	35.0645233023049
1999-10-01	35.1033055823385
2000-01-01	34.6886693064233
2000-04-01	34.7675717476567
2000-07-01	34.3254474186731
2000-10-01	34.3689752703306
2001-01-01	33.9761743698575
2001-04-01	34.0387142603792
2001-07-01	33.8976172630878
2001-10-01	33.6841115949257
2002-01-01	33.5993885749851
2002-04-01	33.4125012492412
2002-07-01	33.1853288779719
2002-10-01	33.3249704420113
2003-01-01	33.1081668006635
2003-04-01	33.2660063982983
2003-07-01	33.3657025219175
2003-10-01	33.4180658217572
2004-01-01	33.6016965925859
2004-04-01	33.5417634631425
2004-07-01	33.4717968258915
2004-10-01	33.3700108114413
2005-01-01	33.3646056164686
2005-04-01	33.1731724543665
2005-07-01	32.9566202420263
2005-10-01	32.8293783292164
2006-01-01	32.9177152927372
2006-04-01	32.6905715077753
2006-07-01	32.6226626163587
2006-10-01	32.6688504263995
2007-01-01	32.4943288684593
2007-04-01	32.6461190063709
2007-07-01	32.2173842708157
2007-10-01	32.3618438749593
2008-01-01	32.4468208224274
2008-04-01	32.2793909377827
2008-07-01	32.4271217405811
2008-10-01	32.6653339245228
2009-01-01	32.7746272973162
2009-04-01	32.9178240914773
2009-07-01	33.1803239407228
2009-10-01	33.0293528393681
2010-01-01	32.7422684313602
2010-04-01	32.9212842167625
2010-07-01	32.9897165286988
2010-10-01	33.1072836320436
2011-01-01	33.1702791211540
2011-04-01	33.0396460404873
2011-07-01	33.2990683083250
2011-10-01	33.7221884366823
2012-01-01	33.4863995466792
2012-04-01	33.4095770164682
2012-07-01	33.3895665922391
2012-10-01	33.9483929043981
2013-01-01	34.2678523147802
2013-04-01	34.2779493443435
2013-07-01	34.2646752203840
2013-10-01	34.0417283284568
2014-01-01	34.4818817250144
2014-04-01	34.3041571358213
2014-07-01	34.3166918498924
2014-10-01	34.6309874865838
2015-01-01	34.4877949055062
2015-04-01	34.4286422515289
2015-07-01	34.6234088118480
2015-10-01	34.3979188060647
2016-01-01	34.6584782231161
2016-04-01	34.6505396156554
2016-07-01	34.2319391032230
2016-10-01	34.2844811447825
2017-01-01	34.1175291359835
2017-04-01	33.8567782331944
2017-07-01	33.6241099026990
2017-10-01	33.6280851221828
2018-01-01	33.5981662193523
2018-04-01	33.5696343310119