Quarter	Percent, Seasonally Adjusted
2001-01-01	49.5095134344045
2001-04-01	50.5746351651176
2001-07-01	50.0424394503056
2001-10-01	50.1941624857955
2002-01-01	50.3064758696907
2002-04-01	49.0112807278227
2002-07-01	49.9587382698529
2002-10-01	49.5071049317466
2003-01-01	49.2247245120066
2003-04-01	49.0152749368731
2003-07-01	47.4286479280100
2003-10-01	47.4096649577189
2004-01-01	47.5842536360771
2004-04-01	45.6849360169163
2004-07-01	48.0821571021612
2004-10-01	47.8203721056851
2005-01-01	47.7572510794836
2005-04-01	53.0708257295871
2005-07-01	50.5239603993041
2005-10-01	51.8663850095764
2006-01-01	51.6857675223483
2006-04-01	51.5912879787921
2006-07-01	52.7399933545058
2006-10-01	51.4799675686766
2007-01-01	52.1318299682338
2007-04-01	52.3237765828410
2007-07-01	52.7899277420686
2007-10-01	53.7070083524427
2008-01-01	53.6181908587761
2008-04-01	53.3039166646202
2008-07-01	53.3455043349521
2008-10-01	52.0647091318825
2009-01-01	51.5755539842645
2009-04-01	51.8413569026214
2009-07-01	49.7158376751042
2009-10-01	50.8138137683908
2010-01-01	50.9213689600237
2010-04-01	50.7231203672910
2010-07-01	51.9788985938724
2010-10-01	51.5128861237737
2011-01-01	52.4235009190937
2011-04-01	52.5298545914294
2011-07-01	52.7531723145315
2011-10-01	53.4136918285231
2012-01-01	53.1835241432771
2012-04-01	53.4296068161820
2012-07-01	53.6635856103237
2012-10-01	53.4851510795345
2013-01-01	54.3241032630891
2013-04-01	55.0163500681423
2013-07-01	54.9326955085108
2013-10-01	56.3706697376721
2014-01-01	55.5946718643879
2014-04-01	55.6519582523099
2014-07-01	57.0410685684237
2014-10-01	55.9018126589179
2015-01-01	56.6682788066887
2015-04-01	56.4494039926847
2015-07-01	56.6601437988638
2015-10-01	56.2682378574370
2016-01-01	56.4481846039478
2016-04-01	56.3565967129495
2016-07-01	54.3338215894480
2016-10-01	55.0399315005451
2017-01-01	55.7725157480469
2017-04-01	54.5191579287100
2017-07-01	55.6493657797190
2017-10-01	55.5587501383349
2018-01-01	55.0772227807155
2018-04-01	55.4270895638271