Quarter	Percent, Seasonally Adjusted
2002-01-01	22.5002632606065
2002-04-01	23.5232302067213
2002-07-01	23.4470262833573
2002-10-01	21.1627643564093
2003-01-01	19.4946677814440
2003-04-01	19.4091645502062
2003-07-01	19.6078981010276
2003-10-01	20.1231620628296
2004-01-01	20.4391554377469
2004-04-01	19.3700527265564
2004-07-01	20.1642540986817
2004-10-01	19.5334484174610
2005-01-01	18.3181637161129
2005-04-01	19.3148430151757
2005-07-01	18.9140971699027
2005-10-01	17.8129616470827
2006-01-01	18.9406561187242
2006-04-01	17.1948150894464
2006-07-01	17.1980676339042
2006-10-01	17.5571844826546
2007-01-01	16.5252314607352
2007-04-01	16.3372715638632
2007-07-01	17.1497993962836
2007-10-01	16.0874459960154
2008-01-01	17.3821384359928
2008-04-01	17.1752263024680
2008-07-01	17.5433752576172
2008-10-01	18.2442257933338
2009-01-01	18.0828908052508
2009-04-01	18.4327638356419
2009-07-01	18.9078724660864
2009-10-01	18.9908692964710
2010-01-01	19.1270847953412
2010-04-01	19.6044228839088
2010-07-01	20.2819323556652
2010-10-01	19.2623401333821
2011-01-01	19.5155135811877
2011-04-01	18.3233714451997
2011-07-01	18.4700774298185
2011-10-01	17.9199074170530
2012-01-01	18.5051405363772
2012-04-01	20.8818545548619
2012-07-01	18.9808639492426
2012-10-01	19.0393230409987
2013-01-01	17.1218620878101
2013-04-01	17.7294374023269
2013-07-01	17.9750575104820
2013-10-01	17.7124651575319
2014-01-01	18.0770152073576
2014-04-01	17.6682251211789
2014-07-01	17.9964196087838
2014-10-01	17.5242928724776
2015-01-01	19.8950751509728
2015-04-01	19.4527350546345
2015-07-01	14.7775933290522
2015-10-01	15.6917961968741
2016-01-01	16.8534570534454
2016-04-01	15.7538436393295
2016-07-01	17.1698942936484
2016-10-01	15.8247522400363
2017-01-01	16.4164322085033
2017-04-01	16.7265125612941
2017-07-01	16.7291337191166
2017-10-01	16.1237950267683
2018-01-01	17.0746714497214
2018-04-01	17.0063168094836