Quarter	Percent
1995-01-01	16.76792224000000
1995-04-01	14.23052157000000
1995-07-01	22.01986755000000
1995-10-01	14.71124620000000
1996-01-01	12.36923077000000
1996-04-01	12.71712159000000
1996-07-01	18.99836690000000
1996-10-01	15.77363034000000
1997-01-01	13.63080685000000
1997-04-01	14.18481460000000
1997-07-01	20.07658643000000
1997-10-01	15.90493601000000
1998-01-01	13.74269006000000
1998-04-01	20.19888129000000
1998-07-01	17.95013850000000
1998-10-01	18.13471503000000
1999-01-01	13.59050445000000
1999-04-01	16.45569620000000
1999-07-01	20.81764389000000
1999-10-01	18.11751904000000
2000-01-01	13.07561114000000
2000-04-01	13.35816924000000
2000-07-01	22.22774739000000
2000-10-01	18.00318640000000
2001-01-01	14.20824295000000
2001-04-01	17.16171617000000
2001-07-01	22.65221878000000
2001-10-01	21.11231102000000
2002-01-01	18.50415512000000
2002-04-01	16.31923764000000
2002-07-01	26.57952070000000
2002-10-01	21.27417520000000
2003-01-01	19.71913400000000
2003-04-01	18.90348372000000
2003-07-01	27.09807887000000
2003-10-01	22.66454352000000
2004-01-01	19.53896817000000
2004-04-01	19.13929785000000
2004-07-01	24.68128506000000
2004-10-01	21.19622246000000
2005-01-01	18.60341151000000
2005-04-01	16.30901288000000
2005-07-01	21.33123690000000
2005-10-01	18.10300867000000
2006-01-01	17.18750000000000
2006-04-01	17.48991935000000
2006-07-01	21.18850463000000
2006-10-01	20.45209903000000
2007-01-01	17.71674744000000
2007-04-01	15.55899021000000
2007-07-01	18.37944664000000
2007-10-01	16.28525812000000
2008-01-01	12.55387931000000
2008-04-01	12.90840921000000
2008-07-01	16.09431061000000
2008-10-01	11.76160338000000
2009-01-01	11.08260646000000
2009-04-01	12.75720165000000
2009-07-01	17.13147410000000
2009-10-01	13.23127392000000
2010-01-01	12.80683031000000
2010-04-01	8.83448642900000
2010-07-01	17.31707317000000
2010-10-01	12.34128999000000
2011-01-01	8.41371918500000
2011-04-01	10.17214397000000
2011-07-01	14.89136195000000
2011-10-01	12.02216066000000
2012-01-01	11.56666666666670
2012-04-01	11.83333333333330
2012-07-01	14.63333333333330
2012-10-01	12.53333333333330
2013-01-01	11.13333333333330
2013-04-01	9.70000000000000
2013-07-01	12.40000000000000
2013-10-01	9.30000000000000
2014-01-01	8.93333333333333
2014-04-01	9.93333333333333
2014-07-01	14.96666666666670
2014-10-01	10.33333333333330
2015-01-01	8.20000000000000
2015-04-01	8.33333333333334
2015-07-01	12.03333333333330
2015-10-01	10.10000000000000
2016-01-01	7.73333333333333
2016-04-01	8.63333333333333
2016-07-01	11.23333333333330
2016-10-01	8.60000000000000
2017-01-01	7.03333333333333
2017-04-01	7.43333333333333
2017-07-01	8.90000000000000
2017-10-01	7.86666666666667
2018-01-01	5.40000000000000
2018-04-01	5.76666666666667
2018-07-01	9.83333333333334