Quarter	Percent, Seasonally Adjusted
2005-01-01	17.6060996245955
2005-04-01	17.3798032573772
2005-07-01	17.1821435224659
2005-10-01	16.6509212728124
2006-01-01	16.5147408475503
2006-04-01	15.6610629582970
2006-07-01	15.4432193322443
2006-10-01	15.2919716513457
2007-01-01	14.2574487754034
2007-04-01	14.1346116469899
2007-07-01	14.4428281577157
2007-10-01	14.1672599673601
2008-01-01	13.9572727604450
2008-04-01	14.6745527404940
2008-07-01	15.5834362831704
2008-10-01	16.9879028332173
2009-01-01	19.4513051360274
2009-04-01	21.0880168248420
2009-07-01	21.3911045758122
2009-10-01	21.8473202682718
2010-01-01	22.2246602597211
2010-04-01	21.7695235237448
2010-07-01	21.3576191314665
2010-10-01	20.8296790862307
2011-01-01	21.0908450630474
2011-04-01	21.2621235860290
2011-07-01	21.5780559690202
2011-10-01	22.2980827920053
2012-01-01	22.7772646178384
2012-04-01	23.8211803655633
2012-07-01	24.1442994826788
2012-10-01	24.8162322306684
2013-01-01	25.1913144978755
2013-04-01	24.4787315335781
2013-07-01	24.6102636676462
2013-10-01	24.2860397525928
2014-01-01	24.6528528137515
2014-04-01	24.4181232144737
2014-07-01	24.0273814982626
2014-10-01	23.6788289706894
2015-01-01	23.2546370362282
2015-04-01	23.0750617289695
2015-07-01	22.7795796535233
2015-10-01	22.7004928188175
2016-01-01	22.0394065422344
2016-04-01	21.6128321010863
2016-07-01	21.0158532194795
2016-10-01	20.8951621532310
2017-01-01	20.0827318725237
2017-04-01	19.6967852510553
2017-07-01	19.2610326567228
2017-10-01	18.3896569810715
2018-01-01	17.8724804980289
2018-04-01	17.5476768868016