Quarter	Percent, Seasonally Adjusted
1998-01-01	93.2110104458329
1998-04-01	92.9256098023312
1998-07-01	93.0489194810798
1998-10-01	93.3084524889591
1999-01-01	93.2711151552436
1999-04-01	92.9632525130409
1999-07-01	92.9160559021127
1999-10-01	92.5234925159706
2000-01-01	92.4365834963842
2000-04-01	92.4175450645853
2000-07-01	92.5022375551171
2000-10-01	92.7367014911553
2001-01-01	92.7756708564456
2001-04-01	92.4553324340784
2001-07-01	92.5873997205042
2001-10-01	92.6149304315793
2002-01-01	92.6579303684596
2002-04-01	92.6387936354319
2002-07-01	92.5489980095947
2002-10-01	92.2678467564407
2003-01-01	92.3550820872036
2003-04-01	92.3145816686366
2003-07-01	92.4805133224273
2003-10-01	92.4424143479478
2004-01-01	92.2884640823877
2004-04-01	92.3936119777212
2004-07-01	92.2601880153206
2004-10-01	92.2708811505647
2005-01-01	92.4560333046838
2005-04-01	92.2483936946989
2005-07-01	92.5334261253133
2005-10-01	92.7904355233973
2006-01-01	92.9602274569550
2006-04-01	92.9247399056683
2006-07-01	92.6888754104738
2006-10-01	93.0477888178602
2007-01-01	92.8945090671934
2007-04-01	92.8042620104655
2007-07-01	93.0263774136970
2007-10-01	92.8490705709326
2008-01-01	93.1990471101278
2008-04-01	93.2716119266897
2008-07-01	93.1113134597092
2008-10-01	93.2316572218482
2009-01-01	92.8878102481393
2009-04-01	93.0819969242742
2009-07-01	91.8154934024490
2009-10-01	92.1760675272959
2010-01-01	92.9057827415802
2010-04-01	92.4840942009658
2010-07-01	92.5659785355010
2010-10-01	92.7023678119515
2011-01-01	92.5886775844986
2011-04-01	92.7508572042366
2011-07-01	92.3661139775470
2011-10-01	91.9627970930216
2012-01-01	91.9589768422683
2012-04-01	92.5275817748461
2012-07-01	92.3955270151016
2012-10-01	91.6684082947034
2013-01-01	91.3960760883316
2013-04-01	91.1630502716904
2013-07-01	90.7834240872447
2013-10-01	91.2409990921655
2014-01-01	91.0503859786813
2014-04-01	92.0050265090625
2014-07-01	91.5213903239261
2014-10-01	91.9111795935066
2015-01-01	91.4785097583564
2015-04-01	91.6485843252954
2015-07-01	91.6645200702610
2015-10-01	92.1323540428668
2016-01-01	92.0160475111590
2016-04-01	91.5727712819578
2016-07-01	92.1490753495462
2016-10-01	91.7957219125173
2017-01-01	91.6903801078362
2017-04-01	92.5033530821765
2017-07-01	92.5190378162982
2017-10-01	92.6793610127194
2018-01-01	92.7407052497393
2018-04-01	92.5948127696773