Quarter	Percent
1995-01-01	60.4505520600000
1995-04-01	60.5113975400000
1995-07-01	61.4554936600000
1995-10-01	60.6902233100000
1996-01-01	59.9714518800000
1996-04-01	60.5600461900000
1996-07-01	61.0149082600000
1996-10-01	60.3471827000000
1997-01-01	59.8767177500000
1997-04-01	60.3046569800000
1997-07-01	61.1901970600000
1997-10-01	60.2903690600000
1998-01-01	60.3836161600000
1998-04-01	60.1570436300000
1998-07-01	60.9845902100000
1998-10-01	60.4034660200000
1999-01-01	60.3394480600000
1999-04-01	60.3687374700000
1999-07-01	61.4599353000000
1999-10-01	61.7284275300000
2000-01-01	60.6036101800000
2000-04-01	61.5809109300000
2000-07-01	62.4810152700000
2000-10-01	61.4875230100000
2001-01-01	60.8601877700000
2001-04-01	61.1617168400000
2001-07-01	62.2535493900000
2001-10-01	61.3508255600000
2002-01-01	61.0707286200000
2002-04-01	60.6587329000000
2002-07-01	61.5940071200000
2002-10-01	61.5446657700000
2003-01-01	61.3036062400000
2003-04-01	60.8649225800000
2003-07-01	62.2626008800000
2003-10-01	62.3818116200000
2004-01-01	62.1488949000000
2004-04-01	62.0855793500000
2004-07-01	62.5412737200000
2004-10-01	62.0181620400000
2005-01-01	61.7348139100000
2005-04-01	62.1570970100000
2005-07-01	62.8676727900000
2005-10-01	62.9408345900000
2006-01-01	62.3439378500000
2006-04-01	63.1939968700000
2006-07-01	63.2015583800000
2006-10-01	62.9319395600000
2007-01-01	63.2317543900000
2007-04-01	63.9100291300000
2007-07-01	64.1625643400000
2007-10-01	63.3195987100000
2008-01-01	63.7018212600000
2008-04-01	63.8718836000000
2008-07-01	63.7628046600000
2008-10-01	63.7285079800000
2009-01-01	64.0356557000000
2009-04-01	64.2877110000000
2009-07-01	64.2929044100000
2009-10-01	63.8714767000000
2010-01-01	63.5286610700000
2010-04-01	64.3345396100000
2010-07-01	65.2679719300000
2010-10-01	64.9518292300000
2011-01-01	64.2266898200000
2011-04-01	64.7583891200000
2011-07-01	64.8691349800000
2011-10-01	64.3976128300000
2012-01-01	70.8000000000000
2012-04-01	71.2666666666667
2012-07-01	72.1666666666667
2012-10-01	71.6666666666667
2013-01-01	71.6666666666667
2013-04-01	71.4666666666667
2013-07-01	71.8666666666667
2013-10-01	71.4000000000000
2014-01-01	72.1333333333334
2014-04-01	72.0000000000000
2014-07-01	72.4000000000000
2014-10-01	72.1666666666667
2015-01-01	71.7333333333333
2015-04-01	71.9666666666667
2015-07-01	72.7000000000000
2015-10-01	72.3333333333333
2016-01-01	71.8000000000000
2016-04-01	72.1000000000000
2016-07-01	72.5000000000000
2016-10-01	72.0666666666666
2017-01-01	71.9333333333334
2017-04-01	72.1666666666667
2017-07-01	72.3000000000000
2017-10-01	72.1000000000000
2018-01-01	71.7000000000000
2018-04-01	71.8666666666666
2018-07-01	72.3333333333333