Quarter	Percent, Seasonally Adjusted
1999-07-01	32.1712773703403
1999-10-01	32.6135068271266
2000-01-01	33.3436752242925
2000-04-01	33.4309602344246
2000-07-01	33.6297058089992
2000-10-01	34.1478718909867
2001-01-01	34.2048443990927
2001-04-01	34.8526700834614
2001-07-01	35.3550377792053
2001-10-01	36.0593188152068
2002-01-01	36.5530291151749
2002-04-01	36.7812579210482
2002-07-01	36.1792171592218
2002-10-01	36.4612435075972
2003-01-01	36.3384394410291
2003-04-01	35.8868536839609
2003-07-01	36.2315125143321
2003-10-01	35.7220250657018
2004-01-01	35.9767633861142
2004-04-01	36.2052496062646
2004-07-01	36.6854135793667
2004-10-01	36.7561617186041
2005-01-01	36.1184574927877
2005-04-01	36.0913078261362
2005-07-01	35.8196373197638
2005-10-01	34.8341738762117
2006-01-01	33.9444433707265
2006-04-01	33.1137579808510
2006-07-01	31.9625991452974
2006-10-01	31.8566300349679
2007-01-01	31.8395333487542
2007-04-01	30.5992451870194
2007-07-01	30.3793055074136
2007-10-01	30.3427901416554
2008-01-01	29.7677768844785
2008-04-01	29.0533729750857
2008-07-01	28.0861126663347
2008-10-01	27.1914094284766
2009-01-01	26.8292762855187
2009-04-01	27.2769761196277
2009-07-01	27.3088464542872
2009-10-01	26.9145702246642
2010-01-01	27.4202705501917
2010-04-01	27.7722761051793
2010-07-01	27.5058704074314
2010-10-01	27.1179902341735
2011-01-01	27.4868006454922
2011-04-01	27.0793262050029
2011-07-01	27.4332146638801
2011-10-01	27.4563850981542
2012-01-01	27.4191670339277
2012-04-01	28.5037636929314
2012-07-01	28.1618150462719
2012-10-01	28.3517377650398
2013-01-01	27.6065917633890
2013-04-01	27.2650681502840
2013-07-01	27.4378006794882
2013-10-01	28.0889356740226
2014-01-01	28.8017609840456
2014-04-01	28.9364060738434
2014-07-01	29.8891191742860
2014-10-01	29.6762053600970
2015-01-01	29.9144715243419
2015-04-01	30.3551279213630
2015-07-01	30.5370442659696
2015-10-01	30.8962279283447
2016-01-01	30.6144255753651
2016-04-01	30.4202773202570
2016-07-01	30.6898263161212
2016-10-01	31.0383697613887
2017-01-01	30.8986370584074
2017-04-01	31.2449170496272
2017-07-01	30.9690996874799
2017-10-01	30.6094011791519
2018-01-01	30.5585703377588
2018-04-01	30.1616938030804
2018-07-01	29.8757465460616