Quarter	Percent
2005-01-01	6.94493107719944
2005-04-01	6.25576820516995
2005-07-01	5.97954548655984
2005-10-01	5.96441750398447
2006-01-01	6.48217092820621
2006-04-01	5.71995220627060
2006-07-01	5.51402357261982
2006-10-01	5.46019441140801
2007-01-01	5.93641861450702
2007-04-01	5.22781914430697
2007-07-01	5.14639621548360
2007-10-01	5.21965588935853
2008-01-01	5.82386046776176
2008-04-01	5.45949233530658
2008-07-01	5.66666963473552
2008-10-01	6.41200033223862
2009-01-01	8.29610322674343
2009-04-01	8.39928586587922
2009-07-01	8.42393844682235
2009-10-01	8.53881607147396
2010-01-01	9.44379111484095
2010-04-01	8.45113196184300
2010-07-01	8.10128234724872
2010-10-01	8.10302768211272
2011-01-01	8.55532203558056
2011-04-01	7.86330825601245
2011-07-01	7.64861235570154
2011-10-01	7.70924751592443
2012-01-01	8.35807582746421
2012-04-01	7.77093564433866
2012-07-01	7.60719872738180
2012-10-01	7.72618246836394
2013-01-01	8.47303480664936
2013-04-01	7.82643241299834
2013-07-01	7.63318371678943
2013-10-01	7.43602445394615
2014-01-01	7.99815538233110
2014-04-01	7.20646745953150
2014-07-01	6.99370507052695
2014-10-01	6.91101881950654
2015-01-01	7.34384802518414
2015-04-01	6.68026231808137
2015-07-01	6.39250361859368
2015-10-01	6.38105757181068
2016-01-01	6.74945475210959
2016-04-01	6.14743286265119
2016-07-01	6.04641007151142
2016-10-01	6.00098696567488
2017-01-01	6.30156424607998
2017-04-01	5.57492658339634
2017-07-01	5.38772620299914
2017-10-01	5.28981265210493
2018-01-01	5.57466892477303
2018-04-01	5.12290653270549