Quarter	Percent, Seasonally Adjusted
2006-01-01	51.5122811382620
2006-04-01	51.2287235206294
2006-07-01	50.8938015257048
2006-10-01	50.4908076543844
2007-01-01	50.7811113626174
2007-04-01	50.8244041967736
2007-07-01	50.8505113097445
2007-10-01	51.2164860335457
2008-01-01	50.7135167173688
2008-04-01	50.3032796012258
2008-07-01	50.0593904561661
2008-10-01	49.6782760183512
2009-01-01	49.9868813258044
2009-04-01	49.5362962926763
2009-07-01	48.8253906104779
2009-10-01	48.5905834775688
2010-01-01	48.0741636680538
2010-04-01	48.0527428040323
2010-07-01	48.1601650431227
2010-10-01	47.9348848116769
2011-01-01	46.9334186140550
2011-04-01	46.8083614480737
2011-07-01	46.5452320975219
2011-10-01	46.8886775313295
2012-01-01	47.4071126227327
2012-04-01	46.8959393550251
2012-07-01	46.7429363764951
2012-10-01	45.6023874011662
2013-01-01	45.7168320617269
2013-04-01	45.4597787287350
2013-07-01	45.6117915363375
2013-10-01	45.6991291964146
2014-01-01	45.2446070837063
2014-04-01	44.9379893321294
2014-07-01	44.8776170217182
2014-10-01	44.5608878981341
2015-01-01	44.3134763307793
2015-04-01	44.1577481136784
2015-07-01	43.7637974546192
2015-10-01	43.6960886409273
2016-01-01	43.4094525729106
2016-04-01	43.1104882383102
2016-07-01	43.0653980170291
2016-10-01	42.6571539263550
2017-01-01	42.3187534808765
2017-04-01	42.2787114244662
2017-07-01	41.8563345428548
2017-10-01	41.7589908374841
2018-01-01	41.8010455136098
2018-04-01	41.8986332429356