Quarter	Percent, Seasonally Adjusted
2005-01-01	20.0374080253547
2005-04-01	19.9731578057718
2005-07-01	20.3833412571821
2005-10-01	18.6159068431905
2006-01-01	19.6586989751934
2006-04-01	19.2708373393543
2006-07-01	18.1281742106408
2006-10-01	16.2618643230520
2007-01-01	17.2950496418790
2007-04-01	16.9419409221923
2007-07-01	18.0432696615520
2007-10-01	18.8284019632857
2008-01-01	19.1921907958889
2008-04-01	19.8279944094235
2008-07-01	20.1572192333383
2008-10-01	19.6241089184801
2009-01-01	22.3358505372156
2009-04-01	23.2922083996073
2009-07-01	23.2681834275091
2009-10-01	21.4753555750695
2010-01-01	20.6833225775847
2010-04-01	18.2324212940798
2010-07-01	17.5257333255236
2010-10-01	17.8739559809643
2011-01-01	16.6510278876451
2011-04-01	17.4958825575861
2011-07-01	18.0195914615973
2011-10-01	17.8039495753788
2012-01-01	16.8980110027728
2012-04-01	15.7220551191669
2012-07-01	16.0200667068352
2012-10-01	16.3041368040419
2013-01-01	16.3057667851430
2013-04-01	16.0914025710647
2013-07-01	15.2038801602216
2013-10-01	16.8585688986786
2014-01-01	16.8429498863141
2014-04-01	15.7053227774811
2014-07-01	16.7566185103448
2014-10-01	16.4398319702594
2015-01-01	15.2703826528911
2015-04-01	15.7516526178681
2015-07-01	15.5462723629897
2015-10-01	15.3809753304012
2016-01-01	15.3957844396652
2016-04-01	16.1937199721374
2016-07-01	15.7359844568440
2016-10-01	15.1012556167027
2017-01-01	16.1640270830345
2017-04-01	16.9451424417359
2017-07-01	17.3866040035391
2017-10-01	16.9188084716776
2018-01-01	17.3034766949696
2018-04-01	17.8926428813851
2018-07-01	17.6394404335291