Quarter	Percent
1995-01-01	61.7024793400000
1995-04-01	61.7182739700000
1995-07-01	62.3877472300000
1995-10-01	61.2635713900000
1996-01-01	60.5567567600000
1996-04-01	60.9620226000000
1996-07-01	61.4757157300000
1996-10-01	60.6070236800000
1997-01-01	59.3513456700000
1997-04-01	59.5127306900000
1997-07-01	60.5755246200000
1997-10-01	59.6840588700000
1998-01-01	58.1587367100000
1998-04-01	58.6794680900000
1998-07-01	59.1562213400000
1998-10-01	58.4779975800000
1999-01-01	57.6531380100000
1999-04-01	57.7445787900000
1999-07-01	58.1222426000000
1999-10-01	58.8053249500000
2000-01-01	57.7912254200000
2000-04-01	58.4971773400000
2000-07-01	58.8354577100000
2000-10-01	58.0952381000000
2001-01-01	57.8042642100000
2001-04-01	58.5333585300000
2001-07-01	58.6543882700000
2001-10-01	56.7342352900000
2002-01-01	56.5243675600000
2002-04-01	56.5052670500000
2002-07-01	56.8559875000000
2002-10-01	57.2036418500000
2003-01-01	56.4338822200000
2003-04-01	56.3708140500000
2003-07-01	56.7551702300000
2003-10-01	56.8937623600000
2004-01-01	57.1479772400000
2004-04-01	57.6541555000000
2004-07-01	57.7735380200000
2004-10-01	57.2677113200000
2005-01-01	57.5019811600000
2005-04-01	58.2877162300000
2005-07-01	58.5920153300000
2005-10-01	58.3047461900000
2006-01-01	58.6226325100000
2006-04-01	59.2181654000000
2006-07-01	58.8585119600000
2006-10-01	59.6331840500000
2007-01-01	60.1825127300000
2007-04-01	60.4780809200000
2007-07-01	60.7377187100000
2007-10-01	60.4425482100000
2008-01-01	61.6151919900000
2008-04-01	61.6999168700000
2008-07-01	61.5766810200000
2008-10-01	60.8693860700000
2009-01-01	60.3241320800000
2009-04-01	60.1978446200000
2009-07-01	60.1645595000000
2009-10-01	59.4661651100000
2010-01-01	59.7958695500000
2010-04-01	61.6688448000000
2010-07-01	61.6163606300000
2010-10-01	60.9278026600000
2011-01-01	60.8508641600000
2011-04-01	62.4746845300000
2011-07-01	62.5926069600000
2011-10-01	61.5111796500000
2012-01-01	67.5000000000000
2012-04-01	68.1666666666667
2012-07-01	68.3666666666667
2012-10-01	67.7000000000000
2013-01-01	68.1000000000000
2013-04-01	68.0000000000000
2013-07-01	69.0000000000000
2013-10-01	68.6666666666667
2014-01-01	68.5333333333333
2014-04-01	68.7666666666667
2014-07-01	68.8666666666666
2014-10-01	69.0000000000000
2015-01-01	68.5000000000000
2015-04-01	69.4333333333333
2015-07-01	69.8000000000000
2015-10-01	69.3333333333333
2016-01-01	68.5333333333333
2016-04-01	69.5333333333333
2016-07-01	70.0666666666667
2016-10-01	69.2000000000000
2017-01-01	69.2666666666667
2017-04-01	69.8333333333334
2017-07-01	70.0666666666667
2017-10-01	69.2333333333333
2018-01-01	69.0000000000000
2018-04-01	69.0333333333333
2018-07-01	68.9666666666666