Quarter	Percent, Seasonally Adjusted
2007-01-01	13.8368823555505
2007-04-01	14.5541173300720
2007-07-01	18.7771036109315
2007-10-01	13.7123233544875
2008-01-01	15.6971538604292
2008-04-01	14.3467909218721
2008-07-01	24.0867672464762
2008-10-01	19.5931273482105
2009-01-01	23.1152369052780
2009-04-01	13.0226534353978
2009-07-01	14.6348939969290
2009-10-01	18.7222727249477
2010-01-01	13.9345300162948
2010-04-01	16.6336797952246
2010-07-01	12.9707835726117
2010-10-01	13.9334790669813
2011-01-01	13.7030490398636
2011-04-01	18.0784032583559
2011-07-01	15.9905380613353
2011-10-01	18.5952903468728
2012-01-01	20.5966555361400
2012-04-01	13.6003831792334
2012-07-01	18.8340752827362
2012-10-01	20.9520158442996
2013-01-01	19.0514833878731
2013-04-01	18.2889685375164
2013-07-01	15.0111870050359
2013-10-01	11.5787080252264
2014-01-01	18.1324244573604
2014-04-01	17.6745035496897
2014-07-01	37.9185152647678
2014-10-01	19.7255176219478
2015-01-01	18.6156555641394
2015-04-01	12.1536361935116
2015-07-01	17.2879077810272
2015-10-01	20.6672195393012
2016-01-01	17.0343819325364
2016-04-01	17.9515804848230
2016-07-01	23.4970597181414
2016-10-01	17.0735517220683
2017-01-01	15.1554265731037
2017-04-01	15.9107687171377
2017-07-01	13.5478936909517
2017-10-01	16.8203323920860
2018-01-01	12.3837461362266
2018-04-01	12.9351384626832