Quarter	Percent, Seasonally Adjusted
2006-01-01	14.9156997172837
2006-04-01	15.4846314866536
2006-07-01	16.1762165720639
2006-10-01	15.8894641363677
2007-01-01	15.5974994150710
2007-04-01	16.4820919583575
2007-07-01	16.2516293754059
2007-10-01	15.7950244065968
2008-01-01	15.4293546699265
2008-04-01	15.6888041438162
2008-07-01	16.4927831655189
2008-10-01	17.3062071882638
2009-01-01	20.0800243064173
2009-04-01	18.6531629544354
2009-07-01	19.7119415853265
2009-10-01	18.8078831876983
2010-01-01	17.4415536747621
2010-04-01	17.1374753897644
2010-07-01	16.4023894872092
2010-10-01	15.7125945045156
2011-01-01	16.0669994563912
2011-04-01	15.8105954060407
2011-07-01	16.0648237334033
2011-10-01	16.9053567042641
2012-01-01	18.1871889718499
2012-04-01	18.5997631127780
2012-07-01	18.2856264434120
2012-10-01	17.4712439029914
2013-01-01	17.8747039484133
2013-04-01	17.1484169817572
2013-07-01	17.9413001172075
2013-10-01	17.4311333192437
2014-01-01	17.6553595535886
2014-04-01	18.2110669222210
2014-07-01	18.7807603194128
2014-10-01	20.2329636021642
2015-01-01	19.3288281691315
2015-04-01	19.9689412479472
2015-07-01	20.6310899037385
2015-10-01	22.3080473305794
2016-01-01	22.6169076787834
2016-04-01	22.4043261569924
2016-07-01	23.9174344990336
2016-10-01	23.1092824743708
2017-01-01	22.7294121727734
2017-04-01	21.9478934155413
2017-07-01	21.8615939044825
2017-10-01	20.6558840790772
2018-01-01	20.6071392243169
2018-04-01	21.3511237143144