Quarter	Percent, Seasonally Adjusted
2005-01-01	18.7189547976739
2005-04-01	18.6124729481754
2005-07-01	18.2384963911358
2005-10-01	18.1006453603728
2006-01-01	17.7753415201918
2006-04-01	17.0902168111362
2006-07-01	16.6575131223435
2006-10-01	16.2158592943364
2007-01-01	15.5679022255388
2007-04-01	15.2465008957629
2007-07-01	15.2852938038105
2007-10-01	14.8232079249842
2008-01-01	14.7074938374246
2008-04-01	15.1624296076493
2008-07-01	15.9002426866383
2008-10-01	16.9402287141581
2009-01-01	19.4998338047012
2009-04-01	21.0363855936955
2009-07-01	21.6822675118736
2009-10-01	21.9803076724552
2010-01-01	22.5217915475711
2010-04-01	21.9357147434618
2010-07-01	21.4576751876024
2010-10-01	21.3975035322079
2011-01-01	21.6682635668023
2011-04-01	21.9156221099902
2011-07-01	22.5269870703148
2011-10-01	23.1102965562704
2012-01-01	23.4100212289212
2012-04-01	23.9165364433309
2012-07-01	23.9245939823218
2012-10-01	24.3660782157272
2013-01-01	24.5758353671621
2013-04-01	24.3666522682151
2013-07-01	24.3936361881697
2013-10-01	23.9118129942837
2014-01-01	23.6831118983488
2014-04-01	23.0326826504883
2014-07-01	22.5414169039072
2014-10-01	22.1465057625240
2015-01-01	21.8217709676251
2015-04-01	21.3746865215328
2015-07-01	20.6766796766657
2015-10-01	20.3328565138314
2016-01-01	19.9258759211869
2016-04-01	19.5835981480877
2016-07-01	19.1951111010684
2016-10-01	18.8610839895522
2017-01-01	18.1599644665528
2017-04-01	17.6904480630126
2017-07-01	17.2987221068452
2017-10-01	16.6358155178376
2018-01-01	16.0954564411068
2018-04-01	15.7890220586209