Quarter	Percent
2005-01-01	7.34820540768087
2005-04-01	6.57053779450295
2005-07-01	7.67331571330845
2005-10-01	6.09006760196940
2006-01-01	7.02437504702181
2006-04-01	6.08172894982347
2006-07-01	7.86054749434562
2006-10-01	7.17750139574886
2007-01-01	7.87534472506607
2007-04-01	6.56247829133596
2007-07-01	7.76419795835801
2007-10-01	6.63162616239006
2008-01-01	7.67938872959433
2008-04-01	6.88575791580149
2008-07-01	8.25603751747238
2008-10-01	7.97610234438793
2009-01-01	9.38808651133562
2009-04-01	9.86168058991451
2009-07-01	11.63208997620290
2009-10-01	9.48125710251839
2010-01-01	9.48435631386827
2010-04-01	9.27631824466229
2010-07-01	10.78713068677260
2010-10-01	9.48109881331811
2011-01-01	9.64992844212557
2011-04-01	9.82040124019077
2011-07-01	10.82548755407280
2011-10-01	9.06860806478052
2012-01-01	9.63490435339965
2012-04-01	9.34004092208413
2012-07-01	9.92661612009378
2012-10-01	8.84191181368711
2013-01-01	9.46752166372824
2013-04-01	9.21624021067540
2013-07-01	10.37104055377680
2013-10-01	8.85418388391295
2014-01-01	9.40132349079126
2014-04-01	9.61860352482008
2014-07-01	10.11119534034740
2014-10-01	8.74011075641324
2015-01-01	8.44257960887179
2015-04-01	9.01235809994345
2015-07-01	8.99244582298838
2015-10-01	8.00447111912245
2016-01-01	8.17638850727050
2016-04-01	7.96655379789160
2016-07-01	7.83090757563898
2016-10-01	6.93965202103942
2017-01-01	6.63767212127905
2017-04-01	6.80706836302794
2017-07-01	7.45445908245182
2017-10-01	6.71266652289748
2018-01-01	6.62111802052701
2018-04-01	6.98369303761412