Quarter	Percent
2005-01-01	4.84459117589544
2005-04-01	4.49027664903755
2005-07-01	4.42528131790903
2005-10-01	4.42397985644744
2006-01-01	4.62401063288932
2006-04-01	4.27151010447808
2006-07-01	4.07774606425635
2006-10-01	4.12910975289160
2007-01-01	4.38490315418976
2007-04-01	3.86992477105627
2007-07-01	3.76475239143191
2007-10-01	3.84943440149245
2008-01-01	4.04732903616973
2008-04-01	3.76985638360263
2008-07-01	3.99489226251909
2008-10-01	4.43931204174506
2009-01-01	5.40492008300554
2009-04-01	5.66477718507414
2009-07-01	5.75580784025058
2009-10-01	5.81916645282557
2010-01-01	6.27484890597514
2010-04-01	5.98905732175658
2010-07-01	5.99963989411605
2010-10-01	5.88742054174364
2011-01-01	6.08549309979837
2011-04-01	5.74577363664313
2011-07-01	5.66847154545621
2011-10-01	5.56800968608478
2012-01-01	5.96270181921016
2012-04-01	5.66874606102223
2012-07-01	5.48968992330927
2012-10-01	5.59985956761444
2013-01-01	6.06182707431320
2013-04-01	5.55383307008638
2013-07-01	5.45305041713650
2013-10-01	5.39226142127570
2014-01-01	5.67486312657631
2014-04-01	5.19882111424649
2014-07-01	5.00310744816457
2014-10-01	5.00022326252536
2015-01-01	5.30265963431046
2015-04-01	4.86258680784259
2015-07-01	4.83640463211760
2015-10-01	4.67884546310252
2016-01-01	5.07768385462476
2016-04-01	4.58194724911704
2016-07-01	4.55430304015665
2016-10-01	4.44209709643066
2017-01-01	4.62433000652002
2017-04-01	4.14304622207770
2017-07-01	4.13521558034927
2017-10-01	3.99568055388982
2018-01-01	4.25359292116188
2018-04-01	3.87816111350129