Quarter	Percent
1995-01-01	14.31516937000000
1995-04-01	13.28883495000000
1995-07-01	17.92400881000000
1995-10-01	13.71733967000000
1996-01-01	11.33152991000000
1996-04-01	11.67221046000000
1996-07-01	16.92391010000000
1996-10-01	13.91355832000000
1997-01-01	12.78060461000000
1997-04-01	13.26196848000000
1997-07-01	18.59667634000000
1997-10-01	14.75215197000000
1998-01-01	15.28792751000000
1998-04-01	18.68995633000000
1998-07-01	17.55537326000000
1998-10-01	16.18413434000000
1999-01-01	14.64285714000000
1999-04-01	15.73676681000000
1999-07-01	19.55398423000000
1999-10-01	16.76695842000000
2000-01-01	14.24452134000000
2000-04-01	14.46971773000000
2000-07-01	21.47363109000000
2000-10-01	17.06910908000000
2001-01-01	15.28334287000000
2001-04-01	17.40223464000000
2001-07-01	21.49033571000000
2001-10-01	20.02265647000000
2002-01-01	18.72278665000000
2002-04-01	18.95269265000000
2002-07-01	25.00000000000000
2002-10-01	20.53019146000000
2003-01-01	20.95975232000000
2003-04-01	19.70193741000000
2003-07-01	25.77918648000000
2003-10-01	21.97986577000000
2004-01-01	19.17567963000000
2004-04-01	18.88111888000000
2004-07-01	23.22496749000000
2004-10-01	20.40067720000000
2005-01-01	16.92789969000000
2005-04-01	15.31986532000000
2005-07-01	21.66536152000000
2005-10-01	17.03444564000000
2006-01-01	16.80044285000000
2006-04-01	17.63766959000000
2006-07-01	20.68521381000000
2006-10-01	17.66342142000000
2007-01-01	16.16415410000000
2007-04-01	14.85017237000000
2007-07-01	17.62617296000000
2007-10-01	15.45454545000000
2008-01-01	11.96698762000000
2008-04-01	12.72627537000000
2008-07-01	14.45056386000000
2008-10-01	11.31133906000000
2009-01-01	11.94605010000000
2009-04-01	14.01463811000000
2009-07-01	17.56970016000000
2009-10-01	14.68609865000000
2010-01-01	13.79213483000000
2010-04-01	11.15448968000000
2010-07-01	17.62608253000000
2010-10-01	11.84354486000000
2011-01-01	9.96910980100000
2011-04-01	11.05953031000000
2011-07-01	13.55792933000000
2011-10-01	11.71091445000000
2012-01-01	11.53333333333330
2012-04-01	11.30000000000000
2012-07-01	13.63333333333330
2012-10-01	11.90000000000000
2013-01-01	10.86666666666670
2013-04-01	10.06666666666670
2013-07-01	11.93333333333330
2013-10-01	9.13333333333333
2014-01-01	9.16666666666666
2014-04-01	9.43333333333333
2014-07-01	13.56666666666670
2014-10-01	9.90000000000000
2015-01-01	8.46666666666667
2015-04-01	8.56666666666667
2015-07-01	10.93333333333330
2015-10-01	9.00000000000000
2016-01-01	8.00000000000000
2016-04-01	8.26666666666667
2016-07-01	10.20000000000000
2016-10-01	7.90000000000000
2017-01-01	6.73333333333333
2017-04-01	7.06666666666667
2017-07-01	8.03333333333333
2017-10-01	7.16666666666667
2018-01-01	5.70000000000000
2018-04-01	6.20000000000000
2018-07-01	9.23333333333333