Quarter	Percent
2005-01-01	32.9883250356654
2005-04-01	31.1601534351867
2005-07-01	30.4372282197175
2005-10-01	31.7815966934958
2006-01-01	34.7362151967840
2006-04-01	31.6084229390681
2006-07-01	31.4993578323735
2006-10-01	32.2208196698819
2007-01-01	34.0199362748777
2007-04-01	31.7444448248708
2007-07-01	31.3540961408260
2007-10-01	33.7478167405616
2008-01-01	35.6068711167226
2008-04-01	32.9611178697404
2008-07-01	33.5496347807337
2008-10-01	34.2576351975578
2009-01-01	33.4504159514063
2009-04-01	30.2715960034578
2009-07-01	29.9611845319039
2009-10-01	30.9968999836841
2010-01-01	36.4947513137776
2010-04-01	35.2058187331316
2010-07-01	37.4375183290430
2010-10-01	37.0851944833882
2011-01-01	40.0667467110784
2011-04-01	36.4132953717804
2011-07-01	37.2852348099411
2011-10-01	36.3681001134637
2012-01-01	38.6971704578832
2012-04-01	36.0416389794778
2012-07-01	34.6764348213519
2012-10-01	34.7654739994162
2013-01-01	37.5628085309475
2013-04-01	34.5285351005925
2013-07-01	34.3514145629201
2013-10-01	34.9071614580716
2014-01-01	37.0945675206953
2014-04-01	34.2551430756701
2014-07-01	33.6732772932103
2014-10-01	34.9172618665804
2015-01-01	38.2515434759830
2015-04-01	34.3623921858996
2015-07-01	34.3643773094971
2015-10-01	33.7655724875494
2016-01-01	36.4024438764954
2016-04-01	32.5260788693419
2016-07-01	32.8347114915637
2016-10-01	32.4474161546268
2017-01-01	35.1526539473841
2017-04-01	31.0266095986116
2017-07-01	30.7089965342891
2017-10-01	30.3692672356265
2018-01-01	32.7355735789020
2018-04-01	30.9105502504168
2018-07-01	28.8660768836155