Quarter	Percent, Seasonally Adjusted
2004-01-01	17.4161717914697
2004-04-01	13.6483969016570
2004-07-01	15.6073760961457
2004-10-01	15.7291666666667
2005-01-01	14.2325701477474
2005-04-01	15.0281568667242
2005-07-01	16.1853274050121
2005-10-01	15.1543133484378
2006-01-01	14.9041246526789
2006-04-01	14.9240940254652
2006-07-01	15.3536395630361
2006-10-01	15.4959061775094
2007-01-01	15.7595318434479
2007-04-01	16.2304754737525
2007-07-01	17.7555963413166
2007-10-01	17.6670458298169
2008-01-01	15.1968130090951
2008-04-01	16.0982522437411
2008-07-01	17.4692596781844
2008-10-01	18.6891107255260
2009-01-01	16.2828302975474
2009-04-01	16.9806262258533
2009-07-01	17.7460056424288
2009-10-01	17.6247303694988
2010-01-01	14.3063841459233
2010-04-01	17.1023803334695
2010-07-01	17.5902963635917
2010-10-01	17.7672138009388
2011-01-01	14.9371623208832
2011-04-01	16.4644467985191
2011-07-01	17.4510272336359
2011-10-01	17.0866845397676
2012-01-01	15.2918843412455
2012-04-01	16.8169115436367
2012-07-01	17.7895442156650
2012-10-01	17.0543637674315
2013-01-01	15.7923190697200
2013-04-01	16.3359560543157
2013-07-01	17.3903358146615
2013-10-01	17.5088852060122
2014-01-01	16.0257285599258
2014-04-01	17.2527758345441
2014-07-01	17.8702339454487
2014-10-01	17.7876922416937
2015-01-01	15.9655345036782
2015-04-01	17.6093013998540
2015-07-01	18.7003576373846
2015-10-01	18.4399523612843
2016-01-01	17.4169079959772
2016-04-01	18.4867177320349
2016-07-01	19.7160519411459
2016-10-01	19.5093974319166
2017-01-01	17.2204243452201
2017-04-01	19.0605678143967
2017-07-01	20.2243954530765
2017-10-01	19.8598301737494
2018-01-01	18.5617387994780
2018-04-01	20.0315353354093