Quarter	Percent, Seasonally Adjusted
1999-01-01	28.5199548057117
1999-04-01	28.7632862765206
1999-07-01	28.8590544748224
1999-10-01	28.9870645074398
2000-01-01	28.6685808107333
2000-04-01	29.1078388958894
2000-07-01	29.1341021240352
2000-10-01	29.0691394287574
2001-01-01	29.2615839048000
2001-04-01	29.0135303991899
2001-07-01	29.0805354835206
2001-10-01	28.7970721030870
2002-01-01	28.2828567005491
2002-04-01	28.5698906070710
2002-07-01	28.5305017650423
2002-10-01	28.2683683199669
2003-01-01	27.9526756235430
2003-04-01	27.8349990002535
2003-07-01	28.0662592782129
2003-10-01	27.9825303194123
2004-01-01	29.9217470409671
2004-04-01	29.7031285613034
2004-07-01	29.4858723375210
2004-10-01	29.3367245547422
2005-01-01	29.2127659342541
2005-04-01	28.6628246917146
2005-07-01	28.2092117975637
2005-10-01	28.1518304713875
2006-01-01	28.0202405643892
2006-04-01	27.6730886613493
2006-07-01	27.4220632922225
2006-10-01	27.3247411925106
2007-01-01	26.8894805670998
2007-04-01	26.5376288768553
2007-07-01	26.1086322742062
2007-10-01	26.4759275221507
2008-01-01	26.0259232194249
2008-04-01	26.1722949474863
2008-07-01	26.3400355654974
2008-10-01	25.8939697026111
2009-01-01	25.9641020970802
2009-04-01	25.6969582776264
2009-07-01	25.4723953500301
2009-10-01	25.5205630360769
2010-01-01	25.7305694748130
2010-04-01	25.6862860334550
2010-07-01	25.4997335159609
2010-10-01	25.3819075793533
2011-01-01	25.4312746345390
2011-04-01	25.4845801376235
2011-07-01	25.5823689613989
2011-10-01	25.2878512115871
2012-01-01	25.2156654165186
2012-04-01	24.8345814458438
2012-07-01	24.7583189876790
2012-10-01	24.7404066213083
2013-01-01	24.5344426617372
2013-04-01	24.4532293826051
2013-07-01	24.3897291800793
2013-10-01	24.5896692524255
2014-01-01	24.5637760213169
2014-04-01	24.5190611871783
2014-07-01	24.7715145151750
2014-10-01	24.6192686235167
2015-01-01	24.5949920742912
2015-04-01	24.6081046612599
2015-07-01	24.5089100951839
2015-10-01	24.2815719439363
2016-01-01	23.9643746151549
2016-04-01	23.8316599427905
2016-07-01	23.5364441646817
2016-10-01	23.8586778715599
2017-01-01	23.7554444056920
2017-04-01	23.5695754394977
2017-07-01	23.7104318282852
2017-10-01	23.2542962434565
2018-01-01	23.2657946481177
2018-04-01	23.2972334982743