Quarter	Percent
1995-01-01	47.5106182200000
1995-04-01	48.2858837500000
1995-07-01	48.2535194700000
1995-10-01	48.3153954100000
1996-01-01	48.3758902200000
1996-04-01	49.5207484400000
1996-07-01	48.5489480600000
1996-10-01	48.0936757600000
1997-01-01	48.5129589000000
1997-04-01	49.2678292000000
1997-07-01	47.8683246400000
1997-10-01	47.9444505700000
1998-01-01	49.0891186600000
1998-04-01	47.8714728400000
1998-07-01	48.8983691500000
1998-10-01	49.1239350600000
1999-01-01	49.5418708700000
1999-04-01	49.6160567700000
1999-07-01	49.5721560200000
1999-10-01	50.4320666300000
2000-01-01	50.4726483800000
2000-04-01	51.4162561600000
2000-07-01	50.9509968900000
2000-10-01	50.7823180900000
2001-01-01	50.8945622700000
2001-04-01	50.6797960600000
2001-07-01	50.0671007500000
2001-10-01	50.0049412000000
2002-01-01	50.3636721100000
2002-04-01	50.2935133500000
2002-07-01	49.7224927000000
2002-10-01	50.3948069600000
2003-01-01	50.4274329900000
2003-04-01	50.5389279200000
2003-07-01	50.2994872800000
2003-10-01	51.1806516200000
2004-01-01	51.1277838500000
2004-04-01	51.1264672500000
2004-07-01	50.7824283600000
2004-10-01	51.1402027000000
2005-01-01	52.1820303400000
2005-04-01	52.4734982300000
2005-07-01	51.9466691400000
2005-10-01	53.4419119700000
2006-01-01	52.9006792700000
2006-04-01	53.6806031500000
2006-07-01	53.4443534400000
2006-10-01	53.3354482000000
2007-01-01	54.0993956900000
2007-04-01	54.8928155000000
2007-07-01	54.9745467500000
2007-10-01	54.5830553700000
2008-01-01	55.6932884700000
2008-04-01	55.9157783500000
2008-07-01	55.1760424400000
2008-10-01	55.7442165000000
2009-01-01	56.0215929100000
2009-04-01	55.6713358400000
2009-07-01	55.7668581200000
2009-10-01	56.2410026300000
2010-01-01	55.9913865900000
2010-04-01	56.8990162300000
2010-07-01	56.9155395500000
2010-10-01	57.9417038500000
2011-01-01	57.7875664900000
2011-04-01	57.7946295400000
2011-07-01	56.7006901100000
2011-10-01	57.5823723200000
2012-01-01	61.7333333333333
2012-04-01	62.0666666666667
2012-07-01	63.0000000000000
2012-10-01	62.6333333333333
2013-01-01	62.9666666666667
2013-04-01	63.2000000000000
2013-07-01	62.9333333333333
2013-10-01	62.9000000000000
2014-01-01	64.5000000000000
2014-04-01	64.3000000000000
2014-07-01	64.0333333333333
2014-10-01	64.1000000000000
2015-01-01	64.3000000000000
2015-04-01	64.5000000000000
2015-07-01	64.7000000000000
2015-10-01	64.7333333333333
2016-01-01	64.9000000000000
2016-04-01	65.4333333333333
2016-07-01	65.0333333333333
2016-10-01	65.4333333333333
2017-01-01	65.7333333333333
2017-04-01	65.4666666666666
2017-07-01	65.5000000000000
2017-10-01	65.9000000000000
2018-01-01	66.5666666666667
2018-04-01	66.3666666666666
2018-07-01	66.4333333333333