Quarter	Percent
1995-01-01	56.5468288600000
1995-04-01	56.4612704800000
1995-07-01	57.3519465400000
1995-10-01	56.5739722700000
1996-01-01	55.8303886900000
1996-04-01	56.3773763800000
1996-07-01	56.8496557500000
1996-10-01	56.2663965300000
1997-01-01	55.7584052100000
1997-04-01	56.1580787800000
1997-07-01	57.0290354700000
1997-10-01	56.1522498400000
1998-01-01	56.0869893900000
1998-04-01	56.0552852100000
1998-07-01	56.9197375300000
1998-10-01	56.2838690500000
1999-01-01	56.2413894900000
1999-04-01	56.3162144300000
1999-07-01	57.2517601400000
1999-10-01	57.6114219600000
2000-01-01	56.5835447300000
2000-04-01	57.6212251100000
2000-07-01	58.3753103900000
2000-10-01	57.4860846900000
2001-01-01	56.9381335200000
2001-04-01	57.2070507000000
2001-07-01	58.2991472700000
2001-10-01	57.5706849500000
2002-01-01	57.2491385000000
2002-04-01	56.7764156700000
2002-07-01	57.7047037300000
2002-10-01	57.7978355600000
2003-01-01	57.5200841400000
2003-04-01	57.0209637500000
2003-07-01	58.2021724700000
2003-10-01	58.3802273000000
2004-01-01	58.2306880200000
2004-04-01	58.1859669100000
2004-07-01	58.6272370100000
2004-10-01	58.0934822700000
2005-01-01	57.8662000700000
2005-04-01	58.2126799000000
2005-07-01	59.0142505100000
2005-10-01	59.3152236600000
2006-01-01	58.6981517800000
2006-04-01	59.2939832000000
2006-07-01	59.2665150000000
2006-10-01	59.3297711200000
2007-01-01	59.5098572700000
2007-04-01	60.0773903600000
2007-07-01	60.3233753600000
2007-10-01	59.5870084900000
2008-01-01	60.1130872800000
2008-04-01	60.1462485400000
2008-07-01	60.2596767300000
2008-10-01	60.2098171700000
2009-01-01	60.6089002300000
2009-04-01	60.5729796100000
2009-07-01	60.7962520000000
2009-10-01	60.5504406300000
2010-01-01	60.2099386700000
2010-04-01	60.9880882600000
2010-07-01	61.7327117300000
2010-10-01	61.5061221300000
2011-01-01	60.8384991200000
2011-04-01	61.5039648900000
2011-07-01	61.4663272900000
2011-10-01	60.8794974300000
2012-01-01	67.0666666666667
2012-04-01	67.6000000000000
2012-07-01	68.4000000000000
2012-10-01	67.8666666666667
2013-01-01	67.9000000000000
2013-04-01	67.7333333333333
2013-07-01	68.2333333333333
2013-10-01	67.6666666666667
2014-01-01	68.2333333333333
2014-04-01	68.3666666666667
2014-07-01	68.8666666666666
2014-10-01	68.5000000000000
2015-01-01	67.8333333333333
2015-04-01	68.2333333333333
2015-07-01	68.9000000000000
2015-10-01	68.5333333333333
2016-01-01	68.0666666666667
2016-04-01	68.4333333333333
2016-07-01	68.9666666666667
2016-10-01	68.3000000000000
2017-01-01	68.2000000000000
2017-04-01	68.3000000000000
2017-07-01	68.4333333333333
2017-10-01	68.1000000000000
2018-01-01	67.8000000000000
2018-04-01	68.2000000000000
2018-07-01	68.4333333333333