Quarter	Percent
1995-01-01	12.00686106000000
1995-04-01	12.44979920000000
1995-07-01	13.90109890000000
1995-10-01	12.76842716000000
1996-01-01	10.34685479000000
1996-04-01	10.67846608000000
1996-07-01	14.87068966000000
1996-10-01	12.11415259000000
1997-01-01	11.96480938000000
1997-04-01	12.31231231000000
1997-07-01	17.21854305000000
1997-10-01	13.59167149000000
1998-01-01	16.88084112000000
1998-04-01	17.36035049000000
1998-07-01	17.17990276000000
1998-10-01	14.20256112000000
1999-01-01	15.70149254000000
1999-04-01	15.02561184000000
1999-07-01	18.25178670000000
1999-10-01	15.40154015000000
2000-01-01	15.50614394000000
2000-04-01	15.64971751000000
2000-07-01	20.69672131000000
2000-10-01	16.04651163000000
2001-01-01	16.48484848000000
2001-04-01	17.64038571000000
2001-07-01	20.36108325000000
2001-10-01	18.82072662000000
2002-01-01	18.96341463000000
2002-04-01	21.58145065000000
2002-07-01	23.32175926000000
2002-10-01	19.79230299000000
2003-01-01	22.35371466000000
2003-04-01	20.56074766000000
2003-07-01	24.33628319000000
2003-10-01	21.20496161000000
2004-01-01	18.76172608000000
2004-04-01	18.67867868000000
2004-07-01	21.65605096000000
2004-10-01	19.41391941000000
2005-01-01	15.00306185000000
2005-04-01	14.29411765000000
2005-07-01	21.99687988000000
2005-10-01	15.84045584000000
2006-01-01	16.39157655000000
2006-04-01	17.86922210000000
2006-07-01	20.12028431000000
2006-10-01	14.68048359000000
2007-01-01	14.50116009000000
2007-04-01	14.10606889000000
2007-07-01	16.83168317000000
2007-10-01	14.56310680000000
2008-01-01	11.36107987000000
2008-04-01	12.53513210000000
2008-07-01	12.72824919000000
2008-10-01	10.75394506000000
2009-01-01	12.94536817000000
2009-04-01	15.40664376000000
2009-07-01	18.00445931000000
2009-10-01	16.22554661000000
2010-01-01	14.88730724000000
2010-04-01	13.70826011000000
2010-07-01	17.95418221000000
2010-10-01	11.26259632000000
2011-01-01	11.62241888000000
2011-04-01	12.03438395000000
2011-07-01	12.13151927000000
2011-10-01	11.35646688000000
2012-01-01	11.50000000000000
2012-04-01	10.80000000000000
2012-07-01	12.60000000000000
2012-10-01	11.30000000000000
2013-01-01	10.63333333333330
2013-04-01	10.40000000000000
2013-07-01	11.53333333333330
2013-10-01	9.06666666666667
2014-01-01	9.40000000000000
2014-04-01	8.96666666666667
2014-07-01	12.23333333333330
2014-10-01	9.50000000000000
2015-01-01	8.63333333333333
2015-04-01	8.76666666666666
2015-07-01	10.06666666666670
2015-10-01	8.00000000000000
2016-01-01	8.30000000000000
2016-04-01	7.93333333333333
2016-07-01	9.30000000000000
2016-10-01	7.33333333333333
2017-01-01	6.50000000000000
2017-04-01	6.70000000000000
2017-07-01	7.26666666666667
2017-10-01	6.46666666666667
2018-01-01	6.00000000000000
2018-04-01	6.66666666666667
2018-07-01	8.60000000000000