Quarter	Percent
2005-01-01	5.72957518232195
2005-04-01	5.19837672191478
2005-07-01	4.92702587290853
2005-10-01	5.03600042605146
2006-01-01	5.36675068209790
2006-04-01	4.74677909335767
2006-07-01	4.50469355357023
2006-10-01	4.53085953520294
2007-01-01	4.96757312088937
2007-04-01	4.27408479391594
2007-07-01	4.12996075415777
2007-10-01	4.30154404347519
2008-01-01	4.83361443493469
2008-04-01	4.47110091486092
2008-07-01	4.57660555795717
2008-10-01	5.32222743027276
2009-01-01	7.06998661128974
2009-04-01	7.10022455370511
2009-07-01	7.08032630944272
2009-10-01	7.29326653698627
2010-01-01	8.13410288250060
2010-04-01	7.20303751152365
2010-07-01	6.87221194379666
2010-10-01	6.97893730472328
2011-01-01	7.36519216526185
2011-04-01	6.66379531817568
2011-07-01	6.41671560875497
2011-10-01	6.57114421958317
2012-01-01	7.15495455780595
2012-04-01	6.57333680085666
2012-07-01	6.37264655796122
2012-10-01	6.59828458788782
2013-01-01	7.27609606545981
2013-04-01	6.65258276948375
2013-07-01	6.40897325657022
2013-10-01	6.40498853613441
2014-01-01	6.86004720871534
2014-04-01	6.10667536068950
2014-07-01	5.84895597536075
2014-10-01	5.92857478401078
2015-01-01	6.31438316213522
2015-04-01	5.67653155021882
2015-07-01	5.40210343895630
2015-10-01	5.45919559369857
2016-01-01	5.81628463139081
2016-04-01	5.23135817975616
2016-07-01	5.09838190449950
2016-10-01	5.12977301347707
2017-01-01	5.42422652462573
2017-04-01	4.71774290615213
2017-07-01	4.52116065209196
2017-10-01	4.51484244739090
2018-01-01	4.79355427412144
2018-04-01	4.33928517949369