Quarter	Percent
2005-01-01	3.99220915367640
2005-04-01	3.57043832181488
2005-07-01	3.91687179828117
2005-10-01	3.23204560420302
2006-01-01	3.64396643122591
2006-04-01	3.24474261128080
2006-07-01	4.12707060029592
2006-10-01	3.70899678815632
2007-01-01	4.07864846666284
2007-04-01	3.44465679011790
2007-07-01	3.97237141060486
2007-10-01	3.56707096780192
2008-01-01	3.99298311496451
2008-04-01	3.55839730658601
2008-07-01	4.27407692994411
2008-10-01	4.29501183683614
2009-01-01	5.17754931654648
2009-04-01	5.28510793499813
2009-07-01	6.34864073875824
2009-10-01	5.42072186795209
2010-01-01	5.47148241070603
2010-04-01	5.33826937960694
2010-07-01	5.76003854251912
2010-10-01	5.45569943830327
2011-01-01	5.30747054565624
2011-04-01	5.42098729153200
2011-07-01	5.71964082057536
2011-10-01	5.01641070461813
2012-01-01	5.07274849141941
2012-04-01	4.95800695364325
2012-07-01	5.29565412342942
2012-10-01	5.01139980392819
2013-01-01	5.04701726484801
2013-04-01	5.15763110448073
2013-07-01	5.42568363563802
2013-10-01	4.78911168747292
2014-01-01	4.97779372534585
2014-04-01	5.07997926354828
2014-07-01	5.42596421322537
2014-10-01	4.52748499988605
2015-01-01	4.39120470217476
2015-04-01	4.52216915599912
2015-07-01	4.77468717600913
2015-10-01	4.31976076782026
2016-01-01	4.19167683677184
2016-04-01	4.09457188818837
2016-07-01	4.19319176068932
2016-10-01	3.66585715497765
2017-01-01	3.52639259649443
2017-04-01	3.59162200205006
2017-07-01	3.67938844760175
2017-10-01	3.47502392406488
2018-01-01	3.25471789878664
2018-04-01	3.48129866881010