Quarter	Percent, Seasonally Adjusted
1999-01-01	26.4432039503495
1999-04-01	26.4127698368224
1999-07-01	25.6563070547283
1999-10-01	25.5195149714642
2000-01-01	24.7084068349964
2000-04-01	24.5938866648169
2000-07-01	24.4838336125810
2000-10-01	23.9442644015576
2001-01-01	24.4944279675478
2001-04-01	24.8150900053617
2001-07-01	26.1954355698304
2001-10-01	26.5312480006592
2002-01-01	26.5998315800925
2002-04-01	25.8664528810363
2002-07-01	26.7390687511941
2002-10-01	26.0577902483066
2003-01-01	25.3861764875275
2003-04-01	26.4454363058141
2003-07-01	27.1405499217907
2003-10-01	26.2670312055849
2004-01-01	27.1316682352183
2004-04-01	26.1652609784328
2004-07-01	25.7715261602361
2004-10-01	25.6615726633230
2005-01-01	26.2082767088668
2005-04-01	25.1690298985478
2005-07-01	24.8779578732822
2005-10-01	24.0555577277243
2006-01-01	23.9380240073345
2006-04-01	23.3053017360064
2006-07-01	23.5527490160256
2006-10-01	24.0301187181063
2007-01-01	23.7931198434036
2007-04-01	24.3010638029832
2007-07-01	24.1436019537675
2007-10-01	23.9974119933831
2008-01-01	23.8930354792618
2008-04-01	23.1271967318390
2008-07-01	22.2460015715982
2008-10-01	24.4100082550071
2009-01-01	26.6461465453995
2009-04-01	27.3666361300299
2009-07-01	26.3254587226040
2009-10-01	25.9090528597113
2010-01-01	25.8237575578520
2010-04-01	24.3689177343698
2010-07-01	23.9878960194315
2010-10-01	23.6733618328507
2011-01-01	23.1597493502858
2011-04-01	22.4888162493473
2011-07-01	22.9104868869152
2011-10-01	23.3406605659932
2012-01-01	23.0348641393021
2012-04-01	23.5784102218203
2012-07-01	23.9564752305368
2012-10-01	23.7714185665783
2013-01-01	24.7548627779144
2013-04-01	24.8853072364451
2013-07-01	24.9467942125246
2013-10-01	25.1543748487368
2014-01-01	25.9289169017728
2014-04-01	25.8022943926927
2014-07-01	26.3224345179126
2014-10-01	27.1025115284105
2015-01-01	27.8689228261397
2015-04-01	30.7858881330576
2015-07-01	28.6671346032395
2015-10-01	30.3838053891798
2016-01-01	30.5957328533465
2016-04-01	29.7678009908430
2016-07-01	29.8466779256463
2016-10-01	30.5144118039243
2017-01-01	27.5063866159202
2017-04-01	28.0486300575851
2017-07-01	27.7360127650414
2017-10-01	27.7753468674928
2018-01-01	27.3672488818714
2018-04-01	26.5842254938568