Quarter	Percent, Seasonally Adjusted
1999-01-01	30.8339665679756
1999-04-01	28.0850398654333
1999-07-01	33.0085795775903
1999-10-01	32.8763285730257
2000-01-01	31.9059272882564
2000-04-01	34.3617097078669
2000-07-01	32.3573114021523
2000-10-01	32.4265753549935
2001-01-01	33.1301098236416
2001-04-01	32.4403490987142
2001-07-01	36.6174543435902
2001-10-01	30.6033031881934
2002-01-01	30.7298267018560
2002-04-01	31.9389379394098
2002-07-01	33.2936418146668
2002-10-01	32.7141772220603
2003-01-01	29.4085407254956
2003-04-01	30.9938958614961
2003-07-01	29.3595267263521
2003-10-01	29.8786217825057
2004-01-01	30.2763394662032
2004-04-01	30.7790999714092
2004-07-01	29.8125183686298
2004-10-01	29.4144401204226
2005-01-01	31.1475917016995
2005-04-01	28.1776982069212
2005-07-01	30.0888075153915
2005-10-01	29.5108034524482
2006-01-01	31.7632081990614
2006-04-01	29.8194154023892
2006-07-01	28.8249989592365
2006-10-01	30.9908432054889
2007-01-01	30.3239835378069
2007-04-01	30.0513009081082
2007-07-01	29.3506979097530
2007-10-01	30.0305833546303
2008-01-01	30.5012094431839
2008-04-01	29.7814784846395
2008-07-01	28.7554961833423
2008-10-01	29.8800461197756
2009-01-01	28.1314531923576
2009-04-01	28.3671579894349
2009-07-01	25.7340201129247
2009-10-01	27.3582394765332
2010-01-01	25.7527785851777
2010-04-01	27.3156769341246
2010-07-01	28.7262346915051
2010-10-01	27.3718552623292
2011-01-01	28.1268447023988
2011-04-01	27.2798238630140
2011-07-01	26.4440706229884
2011-10-01	29.0976180140640
2012-01-01	28.7254103068743
2012-04-01	29.5485189384094
2012-07-01	25.8280892533265
2012-10-01	27.1584787168933
2013-01-01	25.1703077577799
2013-04-01	26.8624717817112
2013-07-01	25.3642750433627
2013-10-01	23.9966155505214
2014-01-01	24.0930843706343
2014-04-01	23.8554615520599
2014-07-01	25.2617884683312
2014-10-01	24.8684976028064
2015-01-01	27.2847705378163
2015-04-01	24.2498674635996
2015-07-01	25.0586837814054
2015-10-01	23.3944004306593
2016-01-01	24.9211213021729
2016-04-01	24.3579625713653
2016-07-01	22.9892700046461
2016-10-01	23.7913459344765
2017-01-01	23.1648897074794
2017-04-01	23.7057940548334
2017-07-01	26.4389467357054
2017-10-01	24.4450595717563
2018-01-01	23.7848032198748
2018-04-01	25.3296277480500