Quarter	Percent
2004-01-01	5.78650701859871
2004-04-01	5.15752615269447
2004-07-01	4.90232719946324
2004-10-01	5.16115750683706
2005-01-01	5.54685440705482
2005-04-01	4.91580153054010
2005-07-01	4.67143346507993
2005-10-01	4.86450610440411
2006-01-01	5.19817357800415
2006-04-01	4.61630782392421
2006-07-01	4.38139043360874
2006-10-01	4.47520367337765
2007-01-01	4.98191026262568
2007-04-01	4.19496394266828
2007-07-01	4.05149798053243
2007-10-01	4.23102656328248
2008-01-01	4.86915813266521
2008-04-01	4.47818196670090
2008-07-01	4.54622164886869
2008-10-01	5.30593459602197
2009-01-01	7.13143411758623
2009-04-01	7.15403053547140
2009-07-01	7.13633860949553
2009-10-01	7.36075275833842
2010-01-01	8.21971108380695
2010-04-01	7.19260698910217
2010-07-01	6.82632149075048
2010-10-01	6.92958814724440
2011-01-01	7.30783789122192
2011-04-01	6.54869835543735
2011-07-01	6.23451178737089
2011-10-01	6.28927167354073
2012-01-01	6.80703442705260
2012-04-01	6.11222230098742
2012-07-01	5.81402784141034
2012-10-01	5.97970800772349
2013-01-01	6.71088313885708
2013-04-01	6.01512456603855
2013-07-01	5.75375328166753
2013-10-01	5.78358994363206
2014-01-01	6.11795533076844
2014-04-01	5.30246914806841
2014-07-01	5.00071771341044
2014-10-01	5.12700923608040
2015-01-01	5.55796639675289
2015-04-01	4.96592631233566
2015-07-01	4.61558622281426
2015-10-01	4.75488102690267
2016-01-01	5.15250432106738
2016-04-01	4.55947411742487
2016-07-01	4.43279872700900
2016-10-01	4.53082238395712
2017-01-01	4.81573572424348
2017-04-01	4.13392304502111
2017-07-01	4.01405052779735
2017-10-01	3.99218034406782
2018-01-01	4.33919786617336