Quarter	Percent, Seasonally Adjusted
2001-01-01	11.1400225322562
2001-04-01	11.5020542522467
2001-07-01	11.9857866088555
2001-10-01	12.1598749533596
2002-01-01	12.8429630259163
2002-04-01	12.4283159121259
2002-07-01	12.9033132068539
2002-10-01	13.1069802622947
2003-01-01	12.7168299597904
2003-04-01	13.3241855293594
2003-07-01	13.7960088666842
2003-10-01	14.8883683838039
2004-01-01	16.2422870808270
2004-04-01	16.6749341555894
2004-07-01	17.4357546067643
2004-10-01	17.6589852451092
2005-01-01	17.3172962909138
2005-04-01	24.6130606989283
2005-07-01	23.1483005661364
2005-10-01	22.1678888570466
2006-01-01	22.2419897387591
2006-04-01	22.5811707634538
2006-07-01	21.0869032758255
2006-10-01	20.1359496644926
2007-01-01	19.6965543814930
2007-04-01	19.1164756894985
2007-07-01	18.8876031764687
2007-10-01	19.3434179313379
2008-01-01	19.0630680086231
2008-04-01	20.4546954157203
2008-07-01	20.1616751197178
2008-10-01	21.1656253268754
2009-01-01	22.9202272179659
2009-04-01	24.3038474851795
2009-07-01	26.3422827398806
2009-10-01	26.5857984293155
2010-01-01	26.4375558060589
2010-04-01	24.9149316879311
2010-07-01	24.3198548924669
2010-10-01	23.5390071503444
2011-01-01	23.0873863088260
2011-04-01	22.9208544334850
2011-07-01	22.3591303457742
2011-10-01	22.8220704270509
2012-01-01	22.9251639440260
2012-04-01	23.1921361691150
2012-07-01	24.1089176867997
2012-10-01	24.3036866627642
2013-01-01	24.1800656690786
2013-04-01	23.7027713613956
2013-07-01	23.3752283058105
2013-10-01	22.9353138516838
2014-01-01	23.0437733391657
2014-04-01	23.2087776134117
2014-07-01	22.4593184581894
2014-10-01	22.8020286992241
2015-01-01	21.3404964106257
2015-04-01	21.0324536681478
2015-07-01	20.1702595676612
2015-10-01	19.0191861584802
2016-01-01	19.9198847204116
2016-04-01	18.9451488861096
2016-07-01	18.4615201194050
2016-10-01	18.3915463593022
2017-01-01	18.6102327297433
2017-04-01	17.9898720809175
2017-07-01	18.0518659409061
2017-10-01	17.0208081869646
2018-01-01	16.6559351054274
2018-04-01	16.9554475950305