Quarter	Percent, Seasonally Adjusted
1999-01-01	27.8839433438439
1999-04-01	27.9022214769693
1999-07-01	27.8053864229921
1999-10-01	28.0665497528762
2000-01-01	27.8587411067014
2000-04-01	28.1065564155250
2000-07-01	28.9564091541126
2000-10-01	28.3615744452533
2001-01-01	28.0791353825284
2001-04-01	28.6440260152204
2001-07-01	27.6581442737578
2001-10-01	27.0919317682329
2002-01-01	28.2311593612840
2002-04-01	27.7435729842330
2002-07-01	28.1902066710235
2002-10-01	28.1718799292425
2003-01-01	28.3523423479435
2003-04-01	27.9287179101948
2003-07-01	27.8304616035961
2003-10-01	28.0866828320403
2004-01-01	27.7437982769484
2004-04-01	27.5018146795084
2004-07-01	26.8657651317571
2004-10-01	27.8094024350184
2005-01-01	27.6209202397822
2005-04-01	28.1941554535222
2005-07-01	28.2813108313731
2005-10-01	27.6369565293392
2006-01-01	27.6992589959464
2006-04-01	27.7856462346919
2006-07-01	27.4544952143089
2006-10-01	27.3679494894582
2007-01-01	27.2936593886496
2007-04-01	27.8722796750983
2007-07-01	28.4181563808626
2007-10-01	28.4529305150214
2008-01-01	28.2789348154062
2008-04-01	27.6580263112817
2008-07-01	27.6095997198778
2008-10-01	27.5170216245639
2009-01-01	27.8742202234541
2009-04-01	28.1181742655017
2009-07-01	28.4816186204900
2009-10-01	29.5284693483874
2010-01-01	29.2116262844148
2010-04-01	29.2112366117330
2010-07-01	29.8302422114364
2010-10-01	29.9257989092776
2011-01-01	29.7427306432661
2011-04-01	29.8130710406903
2011-07-01	29.9768090086827
2011-10-01	30.2899139870764
2012-01-01	30.2948915047156
2012-04-01	30.2763129846734
2012-07-01	31.1722631936681
2012-10-01	31.1602082641875
2013-01-01	31.2088996848820
2013-04-01	31.4899072758463
2013-07-01	31.5949235893166
2013-10-01	32.0890169452290
2014-01-01	32.1295473829208
2014-04-01	32.0986279332468
2014-07-01	31.4111592684902
2014-10-01	31.0797766619371
2015-01-01	31.2695700997900
2015-04-01	31.7137889463811
2015-07-01	31.9267883068325
2015-10-01	31.2098524849056
2016-01-01	29.9314967842624
2016-04-01	29.6011847010770
2016-07-01	30.0891273075904
2016-10-01	30.1216448387755
2017-01-01	31.1738041767352
2017-04-01	31.3597271741933
2017-07-01	31.0451429481642
2017-10-01	31.1399034586076
2018-01-01	30.9641622004625
2018-04-01	30.4754281751838