Quarter	Percent, Seasonally Adjusted
2003-01-01	76.8478742660292
2003-04-01	77.2578843345382
2003-07-01	78.9876829411431
2003-10-01	76.1084071542110
2004-01-01	76.3471380207598
2004-04-01	75.3181357305695
2004-07-01	75.6718127844251
2004-10-01	75.4672510486977
2005-01-01	77.5096487603338
2005-04-01	76.7584443608385
2005-07-01	76.0135449885696
2005-10-01	77.9162509089102
2006-01-01	78.2302838518714
2006-04-01	77.9864096893080
2006-07-01	77.7204061442057
2006-10-01	77.0831587435441
2007-01-01	78.3253086380190
2007-04-01	78.3325812631882
2007-07-01	77.7580638238260
2007-10-01	76.5939449757553
2008-01-01	76.6987999081558
2008-04-01	76.5696415380120
2008-07-01	77.1257631360931
2008-10-01	77.6172903290016
2009-01-01	75.9960400837742
2009-04-01	74.8472559629423
2009-07-01	76.7837253276190
2009-10-01	77.9403850114702
2010-01-01	76.9503387705919
2010-04-01	76.7227856554992
2010-07-01	76.5986860215656
2010-10-01	76.8167251483991
2011-01-01	76.6049877448070
2011-04-01	78.0800702689049
2011-07-01	76.2024305051426
2011-10-01	74.7019980563370
2012-01-01	76.5028994687584
2012-04-01	78.1445055828873
2012-07-01	76.8084550259120
2012-10-01	76.8143467622461
2013-01-01	76.8533269959486
2013-04-01	77.3409228216411
2013-07-01	78.1204606607003
2013-10-01	78.2141097256214
2014-01-01	77.4407732457020
2014-04-01	78.6184166275119
2014-07-01	79.0900058984220
2014-10-01	79.3810852469635
2015-01-01	79.4480076408399
2015-04-01	80.1281674336908
2015-07-01	79.1723944709182
2015-10-01	79.9569646412158
2016-01-01	79.0146809929597
2016-04-01	79.7087825584258
2016-07-01	80.1420885212368
2016-10-01	80.0701333219614
2017-01-01	80.2085098943916
2017-04-01	78.5609583415052
2017-07-01	77.6363656522670
2017-10-01	79.1868971842035
2018-01-01	78.4035573629024
2018-04-01	77.0678811657886