Quarter	Percent, Seasonally Adjusted
1998-01-01	23.5134446726612
1998-04-01	23.6481719791759
1998-07-01	23.1881674206659
1998-10-01	23.7345590153764
1999-01-01	25.5670771430842
1999-04-01	23.6147514925583
1999-07-01	24.5180337461745
1999-10-01	24.0904839565810
2000-01-01	24.3559722064277
2000-04-01	24.7608721090168
2000-07-01	24.6956079548451
2000-10-01	23.3891105286174
2001-01-01	23.4538351891599
2001-04-01	23.0612337181033
2001-07-01	22.7478964113042
2001-10-01	22.0879957176888
2002-01-01	23.2555361388768
2002-04-01	24.1975430058646
2002-07-01	24.1964553444403
2002-10-01	24.5360215212787
2003-01-01	24.4492034341781
2003-04-01	25.3628388431540
2003-07-01	26.1129590782022
2003-10-01	26.4043311549221
2004-01-01	23.4136579362472
2004-04-01	24.0493288242651
2004-07-01	24.0596232633248
2004-10-01	24.6693309403309
2005-01-01	24.4844069780827
2005-04-01	25.8867286138779
2005-07-01	26.3581320739001
2005-10-01	26.7027657127740
2006-01-01	26.0629663784425
2006-04-01	26.7442520221645
2006-07-01	26.9829326120594
2006-10-01	26.6704576610823
2007-01-01	26.8580687277506
2007-04-01	26.8191643400888
2007-07-01	26.7920352508480
2007-10-01	27.5567103871913
2008-01-01	27.0849701366641
2008-04-01	27.7635924117102
2008-07-01	27.7155827565528
2008-10-01	27.6133492658109
2009-01-01	27.5170364831621
2009-04-01	27.6452049307448
2009-07-01	28.3024275375924
2009-10-01	27.8656784145207
2010-01-01	28.8211560743642
2010-04-01	28.7984393329505
2010-07-01	29.3336519851620
2010-10-01	29.2862605740548
2011-01-01	28.3458338181436
2011-04-01	28.3377671097732
2011-07-01	27.0008144308248
2011-10-01	26.2384903919028
2012-01-01	26.1129978001372
2012-04-01	25.6453946886761
2012-07-01	26.1074070349458
2012-10-01	26.5206260978684
2013-01-01	26.0360562013192
2013-04-01	26.1288238163057
2013-07-01	26.1751232518350
2013-10-01	25.8026531390920
2014-01-01	25.6683984744254
2014-04-01	24.6402356586603
2014-07-01	24.9076444497702
2014-10-01	24.7076090040757
2015-01-01	23.8598472956861
2015-04-01	24.3469776789835
2015-07-01	25.0267696048988
2015-10-01	25.4226869423318
2016-01-01	26.5175592173219
2016-04-01	26.7644757778448
2016-07-01	27.9418982646103
2016-10-01	27.7148189670994
2017-01-01	28.2419311000112
2017-04-01	27.8501990792234
2017-07-01	27.8872572660244
2017-10-01	28.0623953192885
2018-01-01	28.8914591214283
2018-04-01	30.1686352727186