Quarter	Percent, Seasonally Adjusted
2007-01-01	85.1395142106452
2007-04-01	83.7175483522088
2007-07-01	84.7632534557193
2007-10-01	85.3782909469184
2008-01-01	82.5591215383297
2008-04-01	84.1061719838053
2008-07-01	84.3637142540127
2008-10-01	82.7399720581558
2009-01-01	85.5646118248767
2009-04-01	84.1852546877389
2009-07-01	85.1987441843703
2009-10-01	84.1674473165298
2010-01-01	86.3653466994853
2010-04-01	84.0765850739364
2010-07-01	86.4890391222359
2010-10-01	85.7771983968944
2011-01-01	86.7720780758501
2011-04-01	85.9364333390942
2011-07-01	84.6139454767077
2011-10-01	85.2116983406694
2012-01-01	86.1237534255576
2012-04-01	86.8738434356699
2012-07-01	87.9903673637753
2012-10-01	87.0747073883446
2013-01-01	87.3949712850686
2013-04-01	86.7445900533243
2013-07-01	88.1256955900930
2013-10-01	87.8777166324781
2014-01-01	87.7483172646091
2014-04-01	87.7761384849241
2014-07-01	87.5570334795627
2014-10-01	89.0435299844116
2015-01-01	87.5747201369209
2015-04-01	87.9514561135652
2015-07-01	87.6087017977408
2015-10-01	87.7485922018112
2016-01-01	86.9805626422414
2016-04-01	86.6726025514518
2016-07-01	87.0987830253226
2016-10-01	87.9249251393654
2017-01-01	87.8391207705050
2017-04-01	87.8804265070853
2017-07-01	88.3788358234424
2017-10-01	87.7993869074316
2018-01-01	88.8831443300224
2018-04-01	88.2899336825375