Quarter	Percent
1995-01-01	48.1424231100000
1995-04-01	48.0229011700000
1995-07-01	48.8517967300000
1995-10-01	48.3282354200000
1996-01-01	47.6959247600000
1996-04-01	48.4955202200000
1996-07-01	48.6729760300000
1996-10-01	48.2568807300000
1997-01-01	48.3376478400000
1997-04-01	48.9805211200000
1997-07-01	48.9626764500000
1997-10-01	48.2444344800000
1998-01-01	49.1085500400000
1998-04-01	48.3078281300000
1998-07-01	49.7775605000000
1998-10-01	49.7888041900000
1999-01-01	49.6596669100000
1999-04-01	49.9304789800000
1999-07-01	50.8160060900000
1999-10-01	51.5137158300000
2000-01-01	50.6010518400000
2000-04-01	51.5904850700000
2000-07-01	52.2922171200000
2000-10-01	51.7939494600000
2001-01-01	51.5327598800000
2001-04-01	51.0336680400000
2001-07-01	51.7823215400000
2001-10-01	52.1395181600000
2002-01-01	51.7230562400000
2002-04-01	51.1273180100000
2002-07-01	52.0989074200000
2002-10-01	52.3742339400000
2003-01-01	52.2272008400000
2003-04-01	51.7878244100000
2003-07-01	53.1266329900000
2003-10-01	53.5749902400000
2004-01-01	53.4200406200000
2004-04-01	52.8795585800000
2004-07-01	53.3009750400000
2004-10-01	53.2707889100000
2005-01-01	53.0556851400000
2005-04-01	53.2434032500000
2005-07-01	53.6442287400000
2005-10-01	55.0401952900000
2006-01-01	53.7943158500000
2006-04-01	54.3484602200000
2006-07-01	54.4918876300000
2006-10-01	54.4933792700000
2007-01-01	54.5844858200000
2007-04-01	55.3956539600000
2007-07-01	55.3227055900000
2007-10-01	54.7873420800000
2008-01-01	55.0840932100000
2008-04-01	55.1593231300000
2008-07-01	55.2772090400000
2008-10-01	55.7314781500000
2009-01-01	56.4885496200000
2009-04-01	55.9990626500000
2009-07-01	56.5579837200000
2009-10-01	56.6410196600000
2010-01-01	55.9807684900000
2010-04-01	56.3944530000000
2010-07-01	57.2156457100000
2010-10-01	57.9402095000000
2011-01-01	56.9248378500000
2011-04-01	57.0814307500000
2011-07-01	56.6523118800000
2011-10-01	56.9709278300000
2012-01-01	62.0666666666667
2012-04-01	62.3333333333333
2012-07-01	63.4333333333333
2012-10-01	62.9333333333333
2013-01-01	63.0000000000000
2013-04-01	63.1000000000000
2013-07-01	63.0333333333333
2013-10-01	62.6333333333333
2014-01-01	63.7000000000000
2014-04-01	64.0666666666667
2014-07-01	64.3333333333333
2014-10-01	63.8333333333333
2015-01-01	63.3333333333333
2015-04-01	63.6000000000000
2015-07-01	64.1333333333334
2015-10-01	64.3000000000000
2016-01-01	64.1000000000000
2016-04-01	64.1333333333333
2016-07-01	64.3333333333333
2016-10-01	64.2666666666667
2017-01-01	64.1666666666667
2017-04-01	63.8333333333333
2017-07-01	63.9000000000000
2017-10-01	64.1333333333333
2018-01-01	63.9666666666667
2018-04-01	64.5666666666667
2018-07-01	64.8666666666666