Quarter	Percent
1995-01-01	85.7214782000000
1995-04-01	85.6336893000000
1995-07-01	86.4249325700000
1995-10-01	86.0213988500000
1996-01-01	85.0348141600000
1996-04-01	85.4192922900000
1996-07-01	85.0293072000000
1996-10-01	85.1929490200000
1997-01-01	84.1244326800000
1997-04-01	84.2958934900000
1997-07-01	84.9321435200000
1997-10-01	85.6300663200000
1998-01-01	84.6811675000000
1998-04-01	84.5331366900000
1998-07-01	84.8171846400000
1998-10-01	83.8981515000000
1999-01-01	84.1348314600000
1999-04-01	82.9144385000000
1999-07-01	84.4224655600000
1999-10-01	84.5689805900000
2000-01-01	83.2192670900000
2000-04-01	84.0164991000000
2000-07-01	84.2710997400000
2000-10-01	84.5776612800000
2001-01-01	82.9755115700000
2001-04-01	83.3319443300000
2001-07-01	84.2196819100000
2001-10-01	83.4046756700000
2002-01-01	83.2350532400000
2002-04-01	82.3999347800000
2002-07-01	83.1710483600000
2002-10-01	83.7008319200000
2003-01-01	83.8488803000000
2003-04-01	82.9896493600000
2003-07-01	82.9550903000000
2003-10-01	83.1131625000000
2004-01-01	83.4574552400000
2004-04-01	83.9185670300000
2004-07-01	82.6039129400000
2004-10-01	82.7294780500000
2005-01-01	82.5738100800000
2005-04-01	82.7173913000000
2005-07-01	82.7956989200000
2005-10-01	82.6881554600000
2006-01-01	82.5956662100000
2006-04-01	83.2057562800000
2006-07-01	82.6690038900000
2006-10-01	83.4157098300000
2007-01-01	83.9318181800000
2007-04-01	83.8653686500000
2007-07-01	83.7038149600000
2007-10-01	83.3970180600000
2008-01-01	83.9620527400000
2008-04-01	84.2124841900000
2008-07-01	83.6048578200000
2008-10-01	83.9642830800000
2009-01-01	83.6940836900000
2009-04-01	83.8041837400000
2009-07-01	83.0121086200000
2009-10-01	82.7802754600000
2010-01-01	82.7937095300000
2010-04-01	84.3882752800000
2010-07-01	84.2518045500000
2010-10-01	83.5107118200000
2011-01-01	83.4653903547686
2011-04-01	83.7848715926646
2011-07-01	84.1452576771400
2011-10-01	83.6548486400892
2012-01-01	85.8000000000000
2012-04-01	87.4000000000000
2012-07-01	87.4333333333334
2012-10-01	86.8333333333333
2013-01-01	86.2000000000000
2013-04-01	86.2333333333333
2013-07-01	86.9333333333333
2013-10-01	86.6666666666667
2014-01-01	87.0000000000000
2014-04-01	86.5000000000000
2014-07-01	86.4333333333333
2014-10-01	87.3333333333333
2015-01-01	86.9666666666666
2015-04-01	87.4666666666666
2015-07-01	87.1333333333334
2015-10-01	87.5666666666666
2016-01-01	86.7333333333334
2016-04-01	86.8333333333333
2016-07-01	87.4333333333334
2016-10-01	86.7000000000000
2017-01-01	86.9333333333334
2017-04-01	87.4666666666666
2017-07-01	86.6333333333333
2017-10-01	86.8333333333333
2018-01-01	86.2333333333333
2018-04-01	87.0666666666666
2018-07-01	86.5000000000000