Quarter	Percent, Seasonally Adjusted
2005-01-01	21.0521150404296
2005-04-01	20.6071857065164
2005-07-01	19.3043390856429
2005-10-01	18.9671744591847
2006-01-01	18.2766384049922
2006-04-01	17.9440652068559
2006-07-01	18.1967429193169
2006-10-01	18.2907641590950
2007-01-01	19.8822861166899
2007-04-01	19.1169536510975
2007-07-01	20.5531119720997
2007-10-01	19.5426084799205
2008-01-01	19.7051087850152
2008-04-01	19.8256286199644
2008-07-01	21.2163442448517
2008-10-01	22.0903513976590
2009-01-01	21.4739614062448
2009-04-01	22.0378302001099
2009-07-01	21.0972390373400
2009-10-01	20.7690687763156
2010-01-01	21.9126619418608
2010-04-01	21.1436202341443
2010-07-01	21.9397163540627
2010-10-01	23.4761307510956
2011-01-01	23.0823472840818
2011-04-01	22.8865843644493
2011-07-01	22.2020023668780
2011-10-01	22.2865343106642
2012-01-01	22.0221658617435
2012-04-01	20.7383419947248
2012-07-01	20.4668084230334
2012-10-01	21.6944869500341
2013-01-01	22.5404615490611
2013-04-01	21.7940993639780
2013-07-01	22.0248570430141
2013-10-01	20.8821562669720
2014-01-01	21.7495157460308
2014-04-01	21.2843034998445
2014-07-01	20.4848144170899
2014-10-01	21.0752305182108
2015-01-01	21.1787861542696
2015-04-01	22.0239511799314
2015-07-01	21.4859942012836
2015-10-01	22.7217101195552
2016-01-01	23.1125469247135
2016-04-01	22.3328648049208
2016-07-01	22.3399973144970
2016-10-01	21.1320100204651
2017-01-01	21.8109783958299
2017-04-01	21.4595099964760
2017-07-01	21.3394545594137
2017-10-01	22.5128893911429
2018-01-01	22.0413389952480
2018-04-01	22.1790334265003