Quarter	Percent
1995-01-01	31.3679808800000
1995-04-01	31.1959654200000
1995-07-01	30.3321209200000
1995-10-01	31.2692398800000
1996-01-01	32.1177298300000
1996-04-01	31.8522390700000
1996-07-01	31.1054725800000
1996-10-01	32.0162629600000
1997-01-01	32.9654701600000
1997-04-01	32.9018033800000
1997-07-01	31.0352571300000
1997-10-01	31.9552014300000
1998-01-01	32.8715857700000
1998-04-01	32.3221119200000
1998-07-01	32.1393144500000
1998-10-01	33.3187342600000
1999-01-01	33.2826252300000
1999-04-01	33.6695070700000
1999-07-01	32.4279438600000
1999-10-01	32.4243873900000
2000-01-01	33.8040786200000
2000-04-01	32.7524856100000
2000-07-01	31.8793865300000
2000-10-01	33.2197087100000
2001-01-01	34.1840918400000
2001-04-01	33.0292993600000
2001-07-01	31.5962726600000
2001-10-01	33.5767526200000
2002-01-01	33.7791804400000
2002-04-01	34.0977068800000
2002-07-01	33.3382899600000
2002-10-01	33.5240726100000
2003-01-01	33.8152847400000
2003-04-01	34.3223658400000
2003-07-01	33.1919871300000
2003-10-01	33.3737805200000
2004-01-01	33.5506931400000
2004-04-01	33.0272141600000
2004-07-01	32.4792873900000
2004-10-01	33.6734207400000
2005-01-01	34.0021820600000
2005-04-01	33.3632371700000
2005-07-01	32.1955806300000
2005-10-01	33.2786654800000
2006-01-01	33.3457578200000
2006-04-01	32.3994619400000
2006-07-01	32.5853072900000
2006-10-01	32.7386426300000
2007-01-01	32.2996706900000
2007-04-01	31.8609834900000
2007-07-01	31.4398225700000
2007-10-01	32.4928961300000
2008-01-01	31.9339050800000
2008-04-01	31.6473794700000
2008-07-01	31.9089332600000
2008-10-01	32.3010809900000
2009-01-01	32.3952851100000
2009-04-01	31.6384425500000
2009-07-01	32.0753903200000
2009-10-01	32.8122315800000
2010-01-01	32.8004457400000
2010-04-01	31.5975625300000
2010-07-01	30.8553971500000
2010-10-01	32.1443664900000
2011-01-01	32.4654533200000
2011-04-01	31.3334452900000
2011-07-01	29.0955488600000
2011-10-01	30.5196430100000
2012-01-01	24.8333333333333
2012-04-01	24.0666666666667
2012-07-01	23.5000000000000
2012-10-01	24.0666666666667
2013-01-01	24.0333333333333
2013-04-01	24.5333333333333
2013-07-01	23.5000000000000
2013-10-01	24.1000000000000
2014-01-01	24.0333333333333
2014-04-01	24.3000000000000
2014-07-01	23.7000000000000
2014-10-01	23.7000000000000
2015-01-01	24.3333333333333
2015-04-01	23.8666666666667
2015-07-01	23.3000000000000
2015-10-01	24.0666666666667
2016-01-01	24.8000000000000
2016-04-01	24.3333333333333
2016-07-01	23.6666666666667
2016-10-01	24.6000000000000
2017-01-01	24.7333333333333
2017-04-01	24.0666666666667
2017-07-01	23.9333333333333
2017-10-01	24.7666666666667
2018-01-01	25.4666666666667
2018-04-01	25.2000000000000
2018-07-01	24.9333333333333