Quarter	Percent
2005-01-01	5.88596039190444
2005-04-01	5.46395432546422
2005-07-01	5.35983516641357
2005-10-01	5.38735150509320
2006-01-01	5.53954455999908
2006-04-01	5.01449114390909
2006-07-01	4.90047581491241
2006-10-01	4.77780526905784
2007-01-01	5.06520935051533
2007-04-01	4.51147780634838
2007-07-01	4.49187419026341
2007-10-01	4.54003319017120
2008-01-01	4.91335354719002
2008-04-01	4.62639592169379
2008-07-01	4.82666868929073
2008-10-01	5.33208939229155
2009-01-01	6.76368523276380
2009-04-01	6.81592472725575
2009-07-01	6.98570549993501
2009-10-01	7.05097375232030
2010-01-01	7.70589664293416
2010-04-01	7.03168163109024
2010-07-01	6.92310313094354
2010-10-01	6.92453851551219
2011-01-01	7.18015338488732
2011-04-01	6.67361515572484
2011-07-01	6.65400953169654
2011-10-01	6.67364682061724
2012-01-01	7.13927680464044
2012-04-01	6.68602031632642
2012-07-01	6.64564536001491
2012-10-01	6.73445307532806
2013-01-01	7.24969513010556
2013-04-01	6.72013863912612
2013-07-01	6.57876653951551
2013-10-01	6.50510259114767
2014-01-01	6.83246393525096
2014-04-01	6.23863574780444
2014-07-01	6.13932711803037
2014-10-01	6.04530268096536
2015-01-01	6.29615118372656
2015-04-01	5.80520304173504
2015-07-01	5.62653671011663
2015-10-01	5.58290791517399
2016-01-01	5.85700308866005
2016-04-01	5.36997078423196
2016-07-01	5.34278417663777
2016-10-01	5.27239731392103
2017-01-01	5.49073403284885
2017-04-01	4.90484005710312
2017-07-01	4.82631445350773
2017-10-01	4.67798067224769
2018-01-01	4.90720006866413
2018-04-01	4.47896808451751