Quarter	Percent, Seasonally Adjusted
2005-01-01	19.8314848312323
2005-04-01	19.4444834152511
2005-07-01	19.2710114210331
2005-10-01	19.2149935808124
2006-01-01	18.9777617175664
2006-04-01	18.8557918344911
2006-07-01	18.7017734837907
2006-10-01	18.3490962369897
2007-01-01	18.3816476091192
2007-04-01	18.4026428993560
2007-07-01	18.1384504345422
2007-10-01	18.1201979051276
2008-01-01	18.0466816133567
2008-04-01	17.9753708958700
2008-07-01	17.9789877433326
2008-10-01	18.0110283844525
2009-01-01	17.9508162772662
2009-04-01	17.8650356449309
2009-07-01	17.7791509568034
2009-10-01	17.7038634367004
2010-01-01	17.5934715894168
2010-04-01	17.5953387972099
2010-07-01	17.5007474177917
2010-10-01	17.5361396923022
2011-01-01	17.3956270114280
2011-04-01	17.3029280511636
2011-07-01	17.4100765968000
2011-10-01	17.1841488995942
2012-01-01	17.3856277830154
2012-04-01	17.5448370521502
2012-07-01	17.2870850423549
2012-10-01	17.5104807467890
2013-01-01	17.4210535920430
2013-04-01	17.2204209010974
2013-07-01	17.4981698636994
2013-10-01	17.3729972011369
2014-01-01	17.3827335680829
2014-04-01	17.5341032260106
2014-07-01	17.3950375057955
2014-10-01	17.6313564602294
2015-01-01	17.6955444172029
2015-04-01	17.9602495791539
2015-07-01	17.9758486550680
2015-10-01	17.8160994763780
2016-01-01	17.9648542696855
2016-04-01	17.8572732884025
2016-07-01	17.7420270633605
2016-10-01	17.8126160930316
2017-01-01	17.8150695900432
2017-04-01	17.6391034060164
2017-07-01	17.6184129513708
2017-10-01	17.4811449965653
2018-01-01	17.3648815291114
2018-04-01	17.3171528793846