Quarter	Percent, Seasonally Adjusted
2005-01-01	16.2692113910004
2005-04-01	16.6429702472628
2005-07-01	16.2423133484608
2005-10-01	16.2471053729555
2006-01-01	15.9174074187411
2006-04-01	15.7443514745033
2006-07-01	15.7310140444529
2006-10-01	15.7777158535322
2007-01-01	16.1362940779354
2007-04-01	16.0956024161130
2007-07-01	16.5275826991819
2007-10-01	16.0453190695939
2008-01-01	16.3770385934797
2008-04-01	16.1424512632442
2008-07-01	16.2675088763112
2008-10-01	17.4676865250982
2009-01-01	17.3730810665008
2009-04-01	17.4128840382653
2009-07-01	17.4048212268088
2009-10-01	17.0816853520568
2010-01-01	17.5775256723474
2010-04-01	17.1567269341267
2010-07-01	17.6039568126637
2010-10-01	17.8691221857804
2011-01-01	17.8418182756003
2011-04-01	17.7120823141312
2011-07-01	17.7052862466958
2011-10-01	17.2897292585418
2012-01-01	17.4301309534831
2012-04-01	17.0729248281966
2012-07-01	17.1235337746730
2012-10-01	17.4915816819990
2013-01-01	17.6493396071512
2013-04-01	17.4617875540856
2013-07-01	17.7644349375353
2013-10-01	17.3739139571904
2014-01-01	17.6388958342781
2014-04-01	17.7993366652414
2014-07-01	17.7102761648032
2014-10-01	18.0287181361552
2015-01-01	18.0019253958782
2015-04-01	18.0283525514226
2015-07-01	18.2147871349688
2015-10-01	17.9013457767098
2016-01-01	18.2626685281148
2016-04-01	18.1511060190572
2016-07-01	18.0738982979582
2016-10-01	18.1305567750858
2017-01-01	18.1238042446928
2017-04-01	18.1997249459612
2017-07-01	18.2718053009997
2017-10-01	18.2887663950557
2018-01-01	18.3102046113647
2018-04-01	18.2360520192558