Quarter	Percent, Seasonally Adjusted
1999-01-01	92.8339827979224
1999-04-01	92.8923288271005
1999-07-01	93.1143598356251
1999-10-01	93.1130789662322
2000-01-01	93.2233245589233
2000-04-01	93.1493321512744
2000-07-01	93.0651011499406
2000-10-01	93.1311772363368
2001-01-01	91.6209718633796
2001-04-01	91.7772829180361
2001-07-01	91.7135959070807
2001-10-01	91.8155634530304
2002-01-01	91.7917178749553
2002-04-01	92.0279997028190
2002-07-01	92.1919995743290
2002-10-01	92.0565836627101
2003-01-01	92.2150964666528
2003-04-01	92.4074324783775
2003-07-01	92.6026651468488
2003-10-01	92.6064675622547
2004-01-01	92.2587299728326
2004-04-01	92.4511701632885
2004-07-01	92.4605829466513
2004-10-01	92.4951759554867
2005-01-01	92.1294051743725
2005-04-01	92.3983588608541
2005-07-01	92.3198422918051
2005-10-01	92.3539072721155
2006-01-01	92.5627811115678
2006-04-01	92.4424282604211
2006-07-01	92.3786871625827
2006-10-01	92.4114940480060
2007-01-01	92.4541383698086
2007-04-01	92.6703001767817
2007-07-01	92.4720653187612
2007-10-01	92.4931527988509
2008-01-01	92.5703435871828
2008-04-01	92.6962875603652
2008-07-01	92.2601995484744
2008-10-01	92.2719311217038
2009-01-01	92.5566010171506
2009-04-01	92.2899791426939
2009-07-01	91.7571264754772
2009-10-01	92.0893892082196
2010-01-01	92.2744770220224
2010-04-01	92.6225177012561
2010-07-01	92.4899778808941
2010-10-01	92.3430320811868
2011-01-01	92.3012883412149
2011-04-01	92.4382455480749
2011-07-01	92.6058723442626
2011-10-01	92.6367218779070
2012-01-01	92.4145231909390
2012-04-01	92.7785872786905
2012-07-01	92.6251540577727
2012-10-01	92.5328439432152
2013-01-01	92.4960135972724
2013-04-01	92.2711813668420
2013-07-01	92.5234967220451
2013-10-01	92.5023829388056
2014-01-01	92.1235366587119
2014-04-01	92.6576608903784
2014-07-01	92.5104156596286
2014-10-01	92.9267579813482
2015-01-01	92.5738125482202
2015-04-01	92.8734127191811
2015-07-01	92.6066667463948
2015-10-01	92.3405531556074
2016-01-01	92.4948859737195
2016-04-01	92.4684798030580
2016-07-01	92.5474454587968
2016-10-01	92.3595485323787
2017-01-01	92.1204811812447
2017-04-01	92.0308374581004
2017-07-01	91.8311911095792
2017-10-01	91.9962241257084
2018-01-01	91.8153555168649
2018-04-01	91.9218712715320
2018-07-01	91.9832027323607