Quarter	Percent, Seasonally Adjusted
1999-01-01	28.4989325189502
1999-04-01	27.7384532514612
1999-07-01	28.4343526041512
1999-10-01	28.0345155769091
2000-01-01	28.8147630055687
2000-04-01	28.1951852153966
2000-07-01	27.5382119448074
2000-10-01	27.8763412308773
2001-01-01	27.2464980912493
2001-04-01	27.4434225504555
2001-07-01	26.6666807681207
2001-10-01	27.2548832444487
2002-01-01	25.8600048289862
2002-04-01	26.9645092917156
2002-07-01	28.7569457287044
2002-10-01	28.3550067631776
2003-01-01	27.9581966047824
2003-04-01	28.2859520703284
2003-07-01	28.8439382317347
2003-10-01	26.8751124680070
2004-01-01	26.1024058470395
2004-04-01	25.6878399170379
2004-07-01	24.9542595761075
2004-10-01	25.4295825260147
2005-01-01	24.9809469814518
2005-04-01	25.4793125599066
2005-07-01	25.0153579049170
2005-10-01	24.1633432252912
2006-01-01	24.7387219328183
2006-04-01	25.0845210357573
2006-07-01	25.0810556170296
2006-10-01	25.5214194610681
2007-01-01	25.1328181837416
2007-04-01	23.9077026825198
2007-07-01	23.6535704731635
2007-10-01	24.0916946721750
2008-01-01	24.4489276094957
2008-04-01	24.5403982425197
2008-07-01	23.3451146305054
2008-10-01	24.5331087607252
2009-01-01	25.5641744667301
2009-04-01	24.1096510772330
2009-07-01	23.9736818712432
2009-10-01	23.9070506070194
2010-01-01	23.7515937131078
2010-04-01	25.0338289619599
2010-07-01	25.0640172116417
2010-10-01	24.6679529032572
2011-01-01	25.6669783761398
2011-04-01	26.2951573842964
2011-07-01	26.2221351917080
2011-10-01	26.3535658594066
2012-01-01	26.5594978114766
2012-04-01	27.1726648986208
2012-07-01	26.3761600913438
2012-10-01	25.0496157827398
2013-01-01	25.2842751335512
2013-04-01	25.8710899621033
2013-07-01	25.8640449885210
2013-10-01	26.1477748101782
2014-01-01	26.1069731692519
2014-04-01	25.5430586055185
2014-07-01	25.9037779251481
2014-10-01	25.0684032908381
2015-01-01	24.9609673249775
2015-04-01	24.3272098619041
2015-07-01	24.0912525104010
2015-10-01	25.2007721893997
2016-01-01	25.9338331328949
2016-04-01	25.4730472648689
2016-07-01	25.6582968385838
2016-10-01	24.8353470540845
2017-01-01	23.5515809478898
2017-04-01	22.8473042383776
2017-07-01	22.7371689666406
2017-10-01	22.6385371733718
2018-01-01	22.3636016317472
2018-04-01	21.5107087506526