Quarter	Percent, Seasonally Adjusted
2000-01-01	58.3919599878876
2000-04-01	59.4922718484629
2000-07-01	59.8309934138158
2000-10-01	60.7366617979384
2001-01-01	60.9834838835685
2001-04-01	59.9333719937437
2001-07-01	60.3075465961452
2001-10-01	60.5526497842494
2002-01-01	60.7470748673088
2002-04-01	61.0049840403913
2002-07-01	61.6244758956194
2002-10-01	61.6756541799788
2003-01-01	60.7861628028724
2003-04-01	60.6436235742935
2003-07-01	60.0753841171318
2003-10-01	59.8155774270743
2004-01-01	60.8600651474758
2004-04-01	60.8722736482346
2004-07-01	61.4224151955679
2004-10-01	60.5851138287424
2005-01-01	60.0633116237933
2005-04-01	59.6805568666021
2005-07-01	58.4044698927849
2005-10-01	58.4410533801044
2006-01-01	58.3665023822195
2006-04-01	58.1567643411481
2006-07-01	56.8894931375805
2006-10-01	56.4029599427612
2007-01-01	56.0580619130215
2007-04-01	55.0774879955188
2007-07-01	55.3485531048574
2007-10-01	54.5473180946445
2008-01-01	53.5992577133953
2008-04-01	53.0442731147050
2008-07-01	53.4721958643939
2008-10-01	52.8563547502955
2009-01-01	52.8975070440022
2009-04-01	53.0614615942798
2009-07-01	51.7596006105735
2009-10-01	52.3547317912883
2010-01-01	51.5699589960232
2010-04-01	51.8097779584348
2010-07-01	51.0467106632744
2010-10-01	49.9489315264256
2011-01-01	49.1927629343671
2011-04-01	48.5016219424431
2011-07-01	48.0998673697050
2011-10-01	47.8625725976428
2012-01-01	47.5845083626609
2012-04-01	46.1702085408144
2012-07-01	46.2438061889863
2012-10-01	45.9082359422276
2013-01-01	44.7395668782843
2013-04-01	44.1272524154510
2013-07-01	43.8583332473250
2013-10-01	43.4947540276076
2014-01-01	43.5610375374073
2014-04-01	42.9279784772025
2014-07-01	42.4506306222543
2014-10-01	42.2886082785412
2015-01-01	42.5868720879797
2015-04-01	43.1884787872054
2015-07-01	42.1325862723564
2015-10-01	41.9078242468014
2016-01-01	41.3797418105675
2016-04-01	41.8004700196563
2016-07-01	41.7618151900180
2016-10-01	40.5312652371986
2017-01-01	39.5002812645995
2017-04-01	39.2273355814120
2017-07-01	38.9959372941960
2017-10-01	39.0863786729370
2018-01-01	39.0455471266158
2018-04-01	38.0777458675310