Quarter	Percent, Seasonally Adjusted
1999-01-01	90.6226918663687
1999-04-01	90.9798270454727
1999-07-01	89.9479249885053
1999-10-01	90.8371665312372
2000-01-01	90.2068848752652
2000-04-01	90.4753674135868
2000-07-01	90.9430918853784
2000-10-01	90.7087731344602
2001-01-01	90.7293433881170
2001-04-01	91.2018633003545
2001-07-01	91.6405019570574
2001-10-01	90.7942424289227
2002-01-01	92.0787055001823
2002-04-01	91.4363920296464
2002-07-01	90.3857500083799
2002-10-01	90.8867686483170
2003-01-01	90.7010172359149
2003-04-01	90.4502300269248
2003-07-01	90.4111989094562
2003-10-01	90.6924965547144
2004-01-01	90.9267510710390
2004-04-01	90.9514534961680
2004-07-01	91.1729598507960
2004-10-01	90.7499477350878
2005-01-01	90.8236478580097
2005-04-01	90.7960596937605
2005-07-01	90.7953624118940
2005-10-01	91.9018684111543
2006-01-01	91.0555531386282
2006-04-01	91.0589021436375
2006-07-01	91.2090092299552
2006-10-01	90.8107677270282
2007-01-01	90.8995785853294
2007-04-01	91.6759867804684
2007-07-01	91.1331183619128
2007-10-01	91.3569177089597
2008-01-01	91.6465418850498
2008-04-01	91.2107600282149
2008-07-01	92.1567615046058
2008-10-01	91.4150111564894
2009-01-01	90.5649682959275
2009-04-01	91.5428348477397
2009-07-01	91.4573468459672
2009-10-01	91.4221825372904
2010-01-01	91.8467395677504
2010-04-01	91.7851340493081
2010-07-01	91.1065623782344
2010-10-01	92.1987057865347
2011-01-01	92.4282594380346
2011-04-01	91.4143713834688
2011-07-01	91.5882415876726
2011-10-01	91.8834457548326
2012-01-01	91.7938313928292
2012-04-01	91.5214853330910
2012-07-01	92.7848903157090
2012-10-01	93.3830264034202
2013-01-01	93.3751121306459
2013-04-01	92.4812045748284
2013-07-01	92.2389069841128
2013-10-01	92.2416757327632
2014-01-01	92.3142959052929
2014-04-01	92.2867869110151
2014-07-01	92.2758087722573
2014-10-01	92.1247913779831
2015-01-01	92.3760666191573
2015-04-01	93.0937612867487
2015-07-01	93.7389149829992
2015-10-01	92.2891249780591
2016-01-01	91.3552185529015
2016-04-01	91.6391392205213
2016-07-01	92.2242498546087
2016-10-01	92.6666389730973
2017-01-01	93.1466116936700
2017-04-01	93.5519116539029
2017-07-01	93.2349846648910
2017-10-01	93.4908777128207
2018-01-01	93.6711426408336
2018-04-01	94.0105396178771