Quarter	Percent
1995-01-01	52.3773006100000
1995-04-01	52.3190984600000
1995-07-01	53.3368675300000
1995-10-01	52.7491810900000
1996-01-01	52.1625846800000
1996-04-01	53.0677839600000
1996-07-01	53.2242431200000
1996-10-01	52.8000905100000
1997-01-01	52.8026086500000
1997-04-01	53.5826067500000
1997-07-01	53.5028311300000
1997-10-01	52.6176567800000
1998-01-01	53.7775589500000
1998-04-01	52.7755124200000
1998-07-01	54.2445188500000
1998-10-01	54.2624444100000
1999-01-01	54.0805454900000
1999-04-01	54.5146428000000
1999-07-01	55.4622289900000
1999-10-01	55.9968766300000
2000-01-01	55.1216488500000
2000-04-01	56.0242200300000
2000-07-01	56.9527306100000
2000-10-01	56.3015848900000
2001-01-01	55.9955774400000
2001-04-01	55.4633609900000
2001-07-01	56.2204881000000
2001-10-01	56.3741476400000
2002-01-01	56.0153332000000
2002-04-01	55.5131591800000
2002-07-01	56.6114897800000
2002-10-01	56.7020297400000
2003-01-01	56.5129195800000
2003-04-01	56.1351169300000
2003-07-01	57.7938569200000
2003-10-01	58.2073176500000
2004-01-01	57.9182297400000
2004-04-01	57.2747065500000
2004-07-01	57.6404600300000
2004-10-01	57.7749624600000
2005-01-01	57.5449241500000
2005-04-01	57.7413055600000
2005-07-01	58.0065737700000
2005-10-01	59.2138045600000
2006-01-01	58.0961997400000
2006-04-01	58.8576650700000
2006-07-01	59.0499590500000
2006-10-01	58.6649143500000
2007-01-01	58.8301614500000
2007-04-01	59.7407839300000
2007-07-01	59.8195945300000
2007-10-01	59.1950189000000
2008-01-01	59.3987958200000
2008-04-01	59.4617214300000
2008-07-01	59.4948919200000
2008-10-01	59.8166739400000
2009-01-01	60.5201148200000
2009-04-01	60.2707550400000
2009-07-01	60.7062327200000
2009-10-01	60.6020831600000
2010-01-01	59.9096436400000
2010-04-01	60.3211973400000
2010-07-01	61.4421506600000
2010-10-01	62.0824819600000
2011-01-01	60.9624335100000
2011-04-01	60.8983921800000
2011-07-01	60.7091202100000
2011-10-01	61.1449752900000
2012-01-01	66.4666666666666
2012-04-01	66.6000000000000
2012-07-01	67.9000000000000
2012-10-01	67.4333333333333
2013-01-01	67.4000000000000
2013-04-01	67.5000000000000
2013-07-01	67.3000000000000
2013-10-01	66.9333333333333
2014-01-01	68.3333333333334
2014-04-01	68.3333333333333
2014-07-01	68.5666666666667
2014-10-01	68.1666666666667
2015-01-01	67.8666666666666
2015-04-01	67.8000000000000
2015-07-01	68.6666666666666
2015-10-01	68.7666666666667
2016-01-01	68.4333333333333
2016-04-01	68.6000000000000
2016-07-01	68.7333333333333
2016-10-01	68.7666666666667
2017-01-01	68.6666666666667
2017-04-01	68.4666666666667
2017-07-01	68.5666666666667
2017-10-01	69.0000000000000
2018-01-01	68.8666666666666
2018-04-01	68.9666666666666
2018-07-01	69.5333333333334