Quarter	Percent, Seasonally Adjusted
1998-01-01	61.5908257079799
1998-04-01	62.7448686173266
1998-07-01	60.0121841222776
1998-10-01	59.9923992499738
1999-01-01	58.6030798252899
1999-04-01	58.2233290007728
1999-07-01	57.8104803706693
1999-10-01	58.0702580902407
2000-01-01	57.2772883323312
2000-04-01	55.8217665502724
2000-07-01	55.5363667101672
2000-10-01	53.4139993852907
2001-01-01	52.8446176436090
2001-04-01	50.7123179015434
2001-07-01	49.6246527550077
2001-10-01	49.4514619905296
2002-01-01	49.3814570024883
2002-04-01	49.3885655123781
2002-07-01	47.9716263858993
2002-10-01	48.3599258503221
2003-01-01	47.7061142104995
2003-04-01	47.6917995710893
2003-07-01	47.8244647385030
2003-10-01	47.8671059849464
2004-01-01	46.5288581736287
2004-04-01	45.8686140047555
2004-07-01	45.5912149071759
2004-10-01	44.9049548580916
2005-01-01	44.2208461692142
2005-04-01	43.9693205833204
2005-07-01	42.9658957501593
2005-10-01	43.3355746857526
2006-01-01	42.4387723692930
2006-04-01	42.5138477365367
2006-07-01	41.7106470211979
2006-10-01	40.6621461876929
2007-01-01	41.0487352013579
2007-04-01	41.4241819357200
2007-07-01	41.8365125382998
2007-10-01	42.0108024292418
2008-01-01	41.8807620266348
2008-04-01	41.5074396491722
2008-07-01	40.8122137635601
2008-10-01	40.6418317052428
2009-01-01	40.4992122457720
2009-04-01	40.9342540768959
2009-07-01	39.9217389875704
2009-10-01	40.4795965945326
2010-01-01	40.2029424950743
2010-04-01	39.5041787336761
2010-07-01	39.7700969640973
2010-10-01	39.3820246097844
2011-01-01	39.9823738063861
2011-04-01	39.2069832242954
2011-07-01	39.6859298493100
2011-10-01	39.5562031165987
2012-01-01	37.5856344016600
2012-04-01	37.8244556185361
2012-07-01	35.5991939399777
2012-10-01	37.3272555086787
2013-01-01	36.1850707707824
2013-04-01	36.1843577787261
2013-07-01	35.2883650180776
2013-10-01	35.2119791287240
2014-01-01	35.0297563491684
2014-04-01	33.9865920478371
2014-07-01	34.8892183333984
2014-10-01	33.9070070959282
2015-01-01	33.6325645473964
2015-04-01	32.6731665924438
2015-07-01	32.2132920926965
2015-10-01	32.8105744732956
2016-01-01	31.9698048992683
2016-04-01	32.9741278158915
2016-07-01	32.4149150394431
2016-10-01	32.0894753670147
2017-01-01	31.9342648886745
2017-04-01	31.8409624107965
2017-07-01	32.4080123028763
2017-10-01	31.1971118330484
2018-01-01	27.9728370878478
2018-04-01	30.0619967456989