Quarter	Percent, Seasonally Adjusted
2003-01-01	16.9558219178082
2003-04-01	17.3713563060505
2003-07-01	18.9571897055678
2003-10-01	18.2116854301915
2004-01-01	17.0527262923334
2004-04-01	17.0062644147607
2004-07-01	18.1103634519456
2004-10-01	17.8810550039156
2005-01-01	16.0900431082256
2005-04-01	15.9254369596942
2005-07-01	17.4606810757022
2005-10-01	17.0786149314879
2006-01-01	15.3389920068873
2006-04-01	15.6055653080087
2006-07-01	16.3832381862503
2006-10-01	15.9756333982069
2007-01-01	15.4539149592736
2007-04-01	15.5395496996225
2007-07-01	16.8034574596986
2007-10-01	16.7187982591605
2008-01-01	17.5658178679327
2008-04-01	16.9671020652995
2008-07-01	18.3955124209776
2008-10-01	20.9250112258644
2009-01-01	22.0690414276083
2009-04-01	20.8892379799645
2009-07-01	22.1097473533257
2009-10-01	23.0902072328322
2010-01-01	21.9744566896694
2010-04-01	20.4420860661591
2010-07-01	22.5653235212775
2010-10-01	22.5084937712344
2011-01-01	19.8877904214646
2011-04-01	18.3770834186494
2011-07-01	22.5090615732482
2011-10-01	22.3481230167880
2012-01-01	20.6117982175957
2012-04-01	20.3578886942407
2012-07-01	22.8835073621934
2012-10-01	23.2583431069410
2013-01-01	21.9728965835939
2013-04-01	21.6489328212554
2013-07-01	22.4216404661222
2013-10-01	23.4988231980849
2014-01-01	23.4212996766455
2014-04-01	23.9248878121582
2014-07-01	24.5220407202038
2014-10-01	25.4092619276337
2015-01-01	25.3912128387267
2015-04-01	25.2961100068957
2015-07-01	26.9474025623007
2015-10-01	28.1870761866773
2016-01-01	24.7904584298215
2016-04-01	23.8247073173074
2016-07-01	25.6228363316191
2016-10-01	26.1650799519364
2017-01-01	23.2425817175527
2017-04-01	23.2862527816885
2017-07-01	24.7799308422494
2017-10-01	26.1421523583517
2018-01-01	22.7266674360591
2018-04-01	21.6571561454663