Quarter	Percent, Seasonally Adjusted
1999-07-01	28.1356506198922
1999-10-01	28.6705119473399
2000-01-01	29.2268594564952
2000-04-01	29.0644951235211
2000-07-01	29.5833070693118
2000-10-01	29.9309376187894
2001-01-01	29.4468320498024
2001-04-01	30.2759128836391
2001-07-01	30.4014079335392
2001-10-01	30.5376161146054
2002-01-01	31.6344126183260
2002-04-01	31.8809544268464
2002-07-01	31.3161890626411
2002-10-01	31.3667208190207
2003-01-01	31.0699150185760
2003-04-01	30.6326131543209
2003-07-01	31.1102348426339
2003-10-01	31.0855513478341
2004-01-01	31.3380375037033
2004-04-01	31.2159136480210
2004-07-01	31.3480342234348
2004-10-01	31.8713120518983
2005-01-01	30.9500816196064
2005-04-01	30.5588673303750
2005-07-01	30.1396277588112
2005-10-01	29.2835374525289
2006-01-01	28.7287837311668
2006-04-01	28.1699614655443
2006-07-01	27.3962802136947
2006-10-01	26.8710987850956
2007-01-01	27.2109583524199
2007-04-01	26.1992896229233
2007-07-01	25.9032943758277
2007-10-01	25.8270893897194
2008-01-01	24.9125163759303
2008-04-01	24.4897819573978
2008-07-01	23.4962023832482
2008-10-01	22.4048122993687
2009-01-01	22.0130011837612
2009-04-01	22.7888896088088
2009-07-01	23.0958359727588
2009-10-01	22.6022199461875
2010-01-01	22.6481373418022
2010-04-01	22.7533301298713
2010-07-01	22.7958006754035
2010-10-01	22.9249913461654
2011-01-01	23.1391470493642
2011-04-01	22.8540169549367
2011-07-01	22.9462995879765
2011-10-01	23.2613268734904
2012-01-01	23.8030119315308
2012-04-01	24.2351347211149
2012-07-01	24.1650494590775
2012-10-01	24.0718990192686
2013-01-01	23.6600055736390
2013-04-01	23.6297987506640
2013-07-01	23.8473589479326
2013-10-01	24.5991861953257
2014-01-01	25.3309065549088
2014-04-01	24.9930501285021
2014-07-01	26.1141614796993
2014-10-01	25.9581527183083
2015-01-01	26.3787648230252
2015-04-01	26.7508600060549
2015-07-01	26.7137260906268
2015-10-01	27.0718842778444
2016-01-01	26.6363522711237
2016-04-01	26.9261916942388
2016-07-01	26.9641197623166
2016-10-01	27.2213613005355
2017-01-01	27.0132700221696
2017-04-01	27.6504414439070
2017-07-01	27.3002359461963
2017-10-01	26.6753942441454
2018-01-01	26.6092988849634
2018-04-01	26.0156047103365
2018-07-01	25.7538425702131