Quarter	Percent, Seasonally Adjusted
1999-04-01	45.9992934889115
1999-07-01	45.7960228737124
1999-10-01	45.6525969948757
2000-01-01	45.6354427195281
2000-04-01	45.6012779436000
2000-07-01	45.2545659885829
2000-10-01	45.5555072096271
2001-01-01	45.7056756659396
2001-04-01	45.7216346994833
2001-07-01	45.6673762362689
2001-10-01	45.4554081842402
2002-01-01	45.6002438453490
2002-04-01	45.1668220356381
2002-07-01	45.1889599494683
2002-10-01	45.1981565577533
2003-01-01	45.3791790407485
2003-04-01	45.2631467130182
2003-07-01	45.2896940682489
2003-10-01	45.0888091239362
2004-01-01	44.9260208287963
2004-04-01	44.8926239866215
2004-07-01	45.1598448384847
2004-10-01	44.9225236214924
2005-01-01	44.5328050917404
2005-04-01	44.6859817211137
2005-07-01	44.6084083940083
2005-10-01	44.5906639201891
2006-01-01	44.1203724253762
2006-04-01	43.9833987845760
2006-07-01	44.1150593062004
2006-10-01	44.1922233863987
2007-01-01	44.3876316250822
2007-04-01	44.4207976173508
2007-07-01	44.3083559529757
2007-10-01	44.1400047565895
2008-01-01	44.1010433317780
2008-04-01	44.0252414039427
2008-07-01	44.0042735187631
2008-10-01	43.9873218552723
2009-01-01	43.8541096693546
2009-04-01	43.9163514230597
2009-07-01	43.8460275235533
2009-10-01	43.7865136746361
2010-01-01	44.0334354832231
2010-04-01	43.9160524920738
2010-07-01	43.7531667282808
2010-10-01	44.0269956451228
2011-01-01	43.7361114032052
2011-04-01	43.8328455084131
2011-07-01	43.8657368206203
2011-10-01	43.7517962662808
2012-01-01	43.8232734929481
2012-04-01	43.7847598084013
2012-07-01	43.5599667263554
2012-10-01	43.1949710697199
2013-01-01	43.2548111388766
2013-04-01	43.3268563801238
2013-07-01	43.2026099491759
2013-10-01	43.1612376110313
2014-01-01	43.0653565054724
2014-04-01	42.9532864745940
2014-07-01	42.9387368620447
2014-10-01	42.9445264677041
2015-01-01	42.7916713063393
2015-04-01	42.8202927425495
2015-07-01	42.7743676850200
2015-10-01	42.8231612263384
2016-01-01	42.8021742790016
2016-04-01	42.4536474267460
2016-07-01	42.4597628276437
2016-10-01	42.3694113988169
2017-01-01	42.3472215590244
2017-04-01	42.2335492073346
2017-07-01	42.2665800274264
2017-10-01	42.1198571688580
2018-01-01	41.8968679417389
2018-04-01	41.9907370830871