Quarter	Percent, Seasonally Adjusted
1999-01-01	40.0568746616952
1999-04-01	39.9721717648761
1999-07-01	39.6413204895084
1999-10-01	39.8457144660744
2000-01-01	40.3552843351627
2000-04-01	40.2798272605569
2000-07-01	41.0854918233256
2000-10-01	41.0237399665321
2001-01-01	41.0746006393414
2001-04-01	40.6794108226213
2001-07-01	41.2190346878488
2001-10-01	41.1035861158797
2002-01-01	41.3379927235779
2002-04-01	41.2516368821726
2002-07-01	40.6315477325883
2002-10-01	39.8196297171814
2003-01-01	39.9850498738582
2003-04-01	39.7540312492721
2003-07-01	39.3096326690138
2003-10-01	40.6750548514401
2004-01-01	41.5986529666432
2004-04-01	42.2913754187398
2004-07-01	42.9321348402597
2004-10-01	41.8460035656310
2005-01-01	42.1335338092929
2005-04-01	42.2661851286157
2005-07-01	42.6467527216873
2005-10-01	42.9067493822503
2006-01-01	42.5565584415837
2006-04-01	43.5402573155386
2006-07-01	42.6263240620594
2006-10-01	42.5072170304982
2007-01-01	42.9301518966643
2007-04-01	43.8158851284235
2007-07-01	43.8982106160681
2007-10-01	43.4336816874335
2008-01-01	43.5922158280732
2008-04-01	43.6567245996084
2008-07-01	44.7125798051740
2008-10-01	44.7025515674630
2009-01-01	43.9605677063032
2009-04-01	43.4936777687952
2009-07-01	43.8942515321499
2009-10-01	43.5037830106687
2010-01-01	43.3956786359697
2010-04-01	43.0753947742254
2010-07-01	42.1442370407782
2010-10-01	42.6541843922895
2011-01-01	41.5914803226760
2011-04-01	41.4176360473295
2011-07-01	41.4676051727487
2011-10-01	41.5001002796868
2012-01-01	42.1031189806610
2012-04-01	40.4059932047983
2012-07-01	40.2610713012263
2012-10-01	40.4959194955740
2013-01-01	39.3297888509759
2013-04-01	39.4190626954489
2013-07-01	39.8511137087993
2013-10-01	39.6455296258307
2014-01-01	40.0095343177818
2014-04-01	40.8123361223476
2014-07-01	40.0305092432890
2014-10-01	39.6841801546861
2015-01-01	39.4466495429364
2015-04-01	40.2540141105028
2015-07-01	40.2072024301169