Quarter	Percent
1995-01-01	39.5494479400000
1995-04-01	39.4886024600000
1995-07-01	38.5445063400000
1995-10-01	39.3097766900000
1996-01-01	40.0285481200000
1996-04-01	39.4399538100000
1996-07-01	38.9850917400000
1996-10-01	39.6528173000000
1997-01-01	40.1232822500000
1997-04-01	39.6953430200000
1997-07-01	38.8098029400000
1997-10-01	39.7096309400000
1998-01-01	39.6163838400000
1998-04-01	39.8429563700000
1998-07-01	39.0154097900000
1998-10-01	39.5965339800000
1999-01-01	39.6605519400000
1999-04-01	39.6312625300000
1999-07-01	38.5400647000000
1999-10-01	38.2715724700000
2000-01-01	39.3963898200000
2000-04-01	38.4190890700000
2000-07-01	37.5189847300000
2000-10-01	38.5124769900000
2001-01-01	39.1398122300000
2001-04-01	38.8382831600000
2001-07-01	37.7464506100000
2001-10-01	38.6491744400000
2002-01-01	38.9292713800000
2002-04-01	39.3412671000000
2002-07-01	38.4059928800000
2002-10-01	38.4553342300000
2003-01-01	38.6963937600000
2003-04-01	39.1350774200000
2003-07-01	37.7373991200000
2003-10-01	37.6181883800000
2004-01-01	37.8511051000000
2004-04-01	37.9144206500000
2004-07-01	37.4587262800000
2004-10-01	37.9818379600000
2005-01-01	38.2651860900000
2005-04-01	37.8429029900000
2005-07-01	37.1323272100000
2005-10-01	37.0591654100000
2006-01-01	37.6560621500000
2006-04-01	36.8060031300000
2006-07-01	36.7984416200000
2006-10-01	37.0680604400000
2007-01-01	36.7682456100000
2007-04-01	36.0899708700000
2007-07-01	35.8374356600000
2007-10-01	36.6804012900000
2008-01-01	36.2981787400000
2008-04-01	36.1281164000000
2008-07-01	36.2371953400000
2008-10-01	36.2714920200000
2009-01-01	35.9643443000000
2009-04-01	35.7122890000000
2009-07-01	35.7070955900000
2009-10-01	36.1285233000000
2010-01-01	36.4713389300000
2010-04-01	35.6654603900000
2010-07-01	34.7320280700000
2010-10-01	35.0481707700000
2011-01-01	35.7733101800000
2011-04-01	35.2416108800000
2011-07-01	35.1308650200000
2011-10-01	35.6023871700000
2012-01-01	29.2000000000000
2012-04-01	28.7333333333333
2012-07-01	27.8333333333333
2012-10-01	28.3333333333333
2013-01-01	28.3333333333333
2013-04-01	28.5333333333333
2013-07-01	28.1333333333333
2013-10-01	28.6000000000000
2014-01-01	27.8666666666667
2014-04-01	28.0000000000000
2014-07-01	27.6000000000000
2014-10-01	27.8333333333333
2015-01-01	28.2666666666667
2015-04-01	28.0333333333333
2015-07-01	27.3000000000000
2015-10-01	27.6666666666667
2016-01-01	28.2000000000000
2016-04-01	27.9000000000000
2016-07-01	27.5000000000000
2016-10-01	27.9333333333333
2017-01-01	28.0666666666667
2017-04-01	27.8333333333333
2017-07-01	27.7000000000000
2017-10-01	27.9000000000000
2018-01-01	28.3000000000000
2018-04-01	28.1333333333333
2018-07-01	27.6666666666667