Quarter	Percent
1995-01-01	49.8531375200000
1995-04-01	50.8940485700000
1995-07-01	50.0798297000000
1995-10-01	49.3915343900000
1996-01-01	49.1181890000000
1996-04-01	50.1959759600000
1996-07-01	49.6224941400000
1996-10-01	48.0455604500000
1997-01-01	48.2349909800000
1997-04-01	49.5878413200000
1997-07-01	47.8361669200000
1997-10-01	46.2210796900000
1998-01-01	48.3206106900000
1998-04-01	48.4909967000000
1998-07-01	47.9535118700000
1998-10-01	48.7057049500000
1999-01-01	49.2211055300000
1999-04-01	49.2007992000000
1999-07-01	49.2699826800000
1999-10-01	49.3113625200000
2000-01-01	50.5116959100000
2000-04-01	51.7930204600000
2000-07-01	49.8449057500000
2000-10-01	48.0805687200000
2001-01-01	50.9332711200000
2001-04-01	51.9677790600000
2001-07-01	50.7695790000000
2001-10-01	52.5067144100000
2002-01-01	51.9620811300000
2002-04-01	51.8478260900000
2002-07-01	53.2877882200000
2002-10-01	53.2855939300000
2003-01-01	54.0805677300000
2003-04-01	52.7955436400000
2003-07-01	53.9151712900000
2003-10-01	55.1946742000000
2004-01-01	55.8513808900000
2004-04-01	55.0265591200000
2004-07-01	56.3597346900000
2004-10-01	55.8188824700000
2005-01-01	55.5471124600000
2005-04-01	55.8426966300000
2005-07-01	57.0055452900000
2005-10-01	57.7177508300000
2006-01-01	56.4402810300000
2006-04-01	59.4388208100000
2006-07-01	59.7612359600000
2006-10-01	59.0398894800000
2007-01-01	59.7378277200000
2007-04-01	60.2234823200000
2007-07-01	60.6530343000000
2007-10-01	60.8688551400000
2008-01-01	62.4497022400000
2008-04-01	61.4533965200000
2008-07-01	60.1468520500000
2008-10-01	60.6369820700000
2009-01-01	61.6844960100000
2009-04-01	63.0943508700000
2009-07-01	62.7245949900000
2009-10-01	60.9454545500000
2010-01-01	61.1626558400000
2010-04-01	62.8297018300000
2010-07-01	64.3080420600000
2010-10-01	63.0933934400000
2011-01-01	63.2515767300000
2011-04-01	64.5134228200000
2011-07-01	64.0418118500000
2011-10-01	63.9766244600000
2012-01-01	66.0666666666667
2012-04-01	66.9000000000000
2012-07-01	65.5333333333333
2012-10-01	66.6666666666667
2013-01-01	68.4333333333333
2013-04-01	68.1666666666667
2013-07-01	66.5666666666667
2013-10-01	67.3333333333333
2014-01-01	68.9333333333333
2014-04-01	67.5333333333333
2014-07-01	67.1333333333333
2014-10-01	68.0000000000000
2015-01-01	69.1666666666667
2015-04-01	68.8666666666667
2015-07-01	69.4333333333333
2015-10-01	68.3333333333333
2016-01-01	69.0333333333334
2016-04-01	69.5000000000000
2016-07-01	68.5333333333334
2016-10-01	69.6000000000000
2017-01-01	69.0333333333334
2017-04-01	68.5000000000000
2017-07-01	68.8333333333333
2017-10-01	70.1666666666667
2018-01-01	69.3666666666666
2018-04-01	69.0000000000000
2018-07-01	69.4666666666666