Quarter	Percent
2005-01-01	1.91849932892250
2005-04-01	1.81896627384943
2005-07-01	1.86851512907324
2005-10-01	1.59786694234956
2006-01-01	1.86242978636520
2006-04-01	1.58645769390633
2006-07-01	1.98907493819882
2006-10-01	1.87633483515955
2007-01-01	2.00575050197609
2007-04-01	1.70574156497150
2007-07-01	1.91649466923727
2007-10-01	1.82439280198854
2008-01-01	2.05296173427288
2008-04-01	1.76585018108600
2008-07-01	2.17713798161879
2008-10-01	2.31526391400929
2009-01-01	2.73499063713654
2009-04-01	2.91239836506716
2009-07-01	3.18569315936139
2009-10-01	2.96447187456206
2010-01-01	2.92011886696166
2010-04-01	2.87633807693619
2010-07-01	3.01826505440729
2010-10-01	3.06890116807440
2011-01-01	2.91133368627175
2011-04-01	2.89762255704996
2011-07-01	2.99661481682650
2011-10-01	2.75764361481376
2012-01-01	2.79814178315644
2012-04-01	2.68376086181148
2012-07-01	2.81820876027735
2012-10-01	2.71835467227766
2013-01-01	2.71756410646869
2013-04-01	2.80528173978429
2013-07-01	2.87452703846459
2013-10-01	2.57032000264634
2014-01-01	2.63646301682178
2014-04-01	2.73851956176173
2014-07-01	2.93539767395803
2014-10-01	2.39657154811605
2015-01-01	2.38090683804459
2015-04-01	2.34644199219402
2015-07-01	2.49997254324864
2015-10-01	2.27951402456899
2016-01-01	2.25649877778733
2016-04-01	2.19129282035999
2016-07-01	2.20892150651111
2016-10-01	1.98238405665511
2017-01-01	1.84240830742327
2017-04-01	1.87765647389260
2017-07-01	1.93478427458013
2017-10-01	1.81708736343131
2018-01-01	1.73914063152747
2018-04-01	1.91537849069601