Quarter	Percent, Seasonally Adjusted
2001-01-01	33.1629654108872
2001-04-01	33.3575617753930
2001-07-01	33.2565940810260
2001-10-01	33.3190961554592
2002-01-01	33.4942345950660
2002-04-01	33.6742223284703
2002-07-01	33.7617903554715
2002-10-01	33.6883035002782
2003-01-01	33.9894821329133
2003-04-01	33.7579431113862
2003-07-01	33.7234258670515
2003-10-01	33.7230691648425
2004-01-01	33.6463093815384
2004-04-01	33.9497882313712
2004-07-01	34.1003144135297
2004-10-01	34.2859453773922
2005-01-01	34.2282858827178
2005-04-01	32.2817052947952
2005-07-01	32.5976869800523
2005-10-01	32.5126551337315
2006-01-01	32.6524169355597
2006-04-01	32.4208246472663
2006-07-01	32.3438345625789
2006-10-01	32.2005732071051
2007-01-01	32.0471770904199
2007-04-01	32.4123047005915
2007-07-01	32.1277658548411
2007-10-01	32.2056632279907
2008-01-01	31.8516105801390
2008-04-01	31.5779013148606
2008-07-01	31.8171966514091
2008-10-01	32.0053206260436
2009-01-01	32.7116128022023
2009-04-01	32.6447612996045
2009-07-01	32.8132032546589
2009-10-01	32.5653336935916
2010-01-01	32.5204218565268
2010-04-01	32.3281666362350
2010-07-01	32.1353130446658
2010-10-01	32.2258707600560
2011-01-01	32.1942031199843
2011-04-01	32.1040097447661
2011-07-01	32.2539547985507
2011-10-01	32.2777918084081
2012-01-01	32.4416443430583
2012-04-01	32.2636129903849
2012-07-01	32.0553431211982
2012-10-01	31.9388128453680
2013-01-01	31.8487651382436
2013-04-01	31.9057131602027
2013-07-01	31.8688499268846
2013-10-01	31.7756706638662
2014-01-01	31.5917344909711
2014-04-01	31.4683528581625
2014-07-01	31.1910173462311
2014-10-01	31.2449238266407
2015-01-01	31.3925097029372
2015-04-01	31.6026420067527
2015-07-01	31.7436979917452
2015-10-01	31.6540608294922
2016-01-01	31.5667024998670
2016-04-01	31.4866092636042
2016-07-01	31.7363378036465
2016-10-01	31.3481740565302
2017-01-01	31.1494748961040
2017-04-01	30.8753782845724
2017-07-01	30.5396056948834
2017-10-01	30.7006975123142
2018-01-01	30.6386442993054
2018-04-01	30.7282271304827