Quarter	Percent
2005-01-01	8.80493964162815
2005-04-01	7.35168759761412
2005-07-01	9.44939454491726
2005-10-01	7.16708231201963
2006-01-01	7.77812356352195
2006-04-01	7.36663323206872
2006-07-01	9.17677227678680
2006-10-01	8.00060243386520
2007-01-01	8.95303854333884
2007-04-01	7.31758969548194
2007-07-01	9.11771193632076
2007-10-01	7.57187559659408
2008-01-01	8.83122092222534
2008-04-01	8.24540668786467
2008-07-01	9.56789862332453
2008-10-01	8.37449041486225
2009-01-01	10.43443752994680
2009-04-01	10.41171707780410
2009-07-01	13.56675804285540
2009-10-01	10.54525524888530
2010-01-01	10.57493769974760
2010-04-01	9.86624346830999
2010-07-01	12.08616044536530
2010-10-01	9.55946073291499
2011-01-01	10.47552958772550
2011-04-01	10.35314876862710
2011-07-01	12.42935197825390
2011-10-01	9.95325279896361
2012-01-01	10.57592898770350
2012-04-01	9.82917406105823
2012-07-01	11.07116246707600
2012-10-01	10.00848654301900
2013-01-01	10.53992134068620
2013-04-01	10.48836783413630
2013-07-01	11.97682340737650
2013-10-01	10.27525863863760
2014-01-01	10.95673389298270
2014-04-01	10.32250205219460
2014-07-01	11.54466807899350
2014-10-01	10.34292190794320
2015-01-01	9.27962799609037
2015-04-01	10.25441692686030
2015-07-01	11.22610317628890
2015-10-01	9.43179900311667
2016-01-01	9.06602459678924
2016-04-01	8.92226222748502
2016-07-01	9.51778298952244
2016-10-01	7.60803329218624
2017-01-01	7.71628242883664
2017-04-01	7.80583107169955
2017-07-01	8.83414323599880
2017-10-01	7.65732520121656
2018-01-01	7.22706535694213
2018-04-01	7.12407360349880