Quarter	Percent
2005-01-01	7.25456226791467
2005-04-01	6.93744313637314
2005-07-01	7.07827052049005
2005-10-01	6.87977548052255
2006-01-01	6.85498828182016
2006-04-01	6.39979985795725
2006-07-01	6.58831511553257
2006-10-01	6.17108282553890
2007-01-01	6.21405991604128
2007-04-01	5.81320239941542
2007-07-01	6.05306973414631
2007-10-01	5.80843809539924
2008-01-01	5.97601742806220
2008-04-01	5.91663835350512
2008-07-01	6.30696784100979
2008-10-01	6.35838132445280
2009-01-01	7.47208776716347
2009-04-01	7.70007383639615
2009-07-01	8.26203622129003
2009-10-01	7.88696446029625
2010-01-01	8.31252054843586
2010-04-01	8.09880592166370
2010-07-01	8.34749165554392
2010-10-01	8.03728460494753
2011-01-01	8.17702816783688
2011-04-01	7.96570015360946
2011-07-01	8.32100900312532
2011-10-01	7.95043703171112
2012-01-01	8.31737879657091
2012-04-01	8.06621285616648
2012-07-01	8.31300479892070
2012-10-01	8.13013458030196
2013-01-01	8.46366658683171
2013-04-01	8.10386414596081
2013-07-01	8.12164859878647
2013-10-01	7.82463679984656
2014-01-01	8.01042767764524
2014-04-01	7.56116224892397
2014-07-01	7.72683749489937
2014-10-01	7.34288259195374
2015-01-01	7.37839502983640
2015-04-01	7.07605554898416
2015-07-01	7.06426439058754
2015-10-01	6.72605078019274
2016-01-01	6.86650030479547
2016-04-01	6.57472132777646
2016-07-01	6.72139644483213
2016-10-01	6.35322646057424
2017-01-01	6.45439957268220
2017-04-01	6.05982989993588
2017-07-01	6.16437549809098
2017-10-01	5.72903012586343
2018-01-01	5.86730184101719
2018-04-01	5.49933099138474