Quarter	Percent
1999-04-01	1.091519731318220
2000-01-01	0.970873786407767
2000-04-01	0.552922590837283
2000-07-01	0.473559589581689
2000-10-01	0.996168582375490
2001-01-01	1.208459214501500
2001-04-01	0.881057268722467
2001-07-01	1.575931232091690
2001-10-01	0.982456140350877
2002-01-01	1.391788448155880
2002-04-01	1.396276595744680
2002-07-01	0.808625336927224
2002-10-01	1.265822784810130
2003-01-01	1.236979166666670
2003-04-01	1.171112556929080
2003-07-01	1.017164653528290
2003-10-01	1.005656819610310
2004-01-01	1.101036269430050
2004-04-01	0.885515496521189
2004-07-01	0.705580500320718
2004-10-01	0.821225521162350
2005-01-01	1.177199504337050
2005-04-01	0.951776649746193
2005-07-01	1.714635639926520
2005-10-01	0.798035604665439
2006-01-01	0.427089688834655
2006-04-01	1.196888090963490
2006-07-01	0.765606595995289
2006-10-01	1.275362318840580
2007-01-01	0.859106529209622
2007-04-01	0.779076238174736
2007-07-01	0.550660792951542
2007-10-01	1.145038167938930
2008-01-01	1.143168209036470
2008-04-01	0.862533692722372
2008-07-01	0.647948164146868
2008-10-01	0.855157669695350
2009-01-01	0.591715976331361
2009-04-01	0.482315112540193
2009-07-01	0.534188034188034
2009-10-01	0.685654008438818
2010-01-01	0.794491525423729
2010-04-01	1.453035806953810
2010-07-01	0.740740740740741
2010-10-01	0.671834625322997
2011-01-01	0.621118012422360
2011-04-01	1.367088607594940
2011-07-01	1.019887812340640
2011-10-01	1.370558375634520
2012-01-01	1.121876593574710
2012-04-01	0.504540867810293
2012-07-01	1.161616161616160
2012-10-01	0.704225352112676
2013-01-01	1.121304791029560
2013-04-01	1.040634291377600
2013-07-01	1.397205588822360
2013-10-01	1.040634291377600
2014-01-01	1.141439205955330
2014-04-01	0.738552437223043
2014-07-01	1.204819277108430
2014-10-01	1.098376313276030
2015-01-01	1.602719766877120
2015-04-01	1.233981964878980
2015-07-01	1.756885090218420
2015-10-01	1.484674329501920
2016-01-01	1.094716801523080
2016-04-01	1.224682053697600
2016-07-01	1.309022907900890
2016-10-01	1.211556383970180
2017-01-01	1.032863849765260
2017-04-01	0.939849624060150
2017-07-01	1.133144475920680
2017-10-01	0.661313179026925
2018-01-01	1.430615164520740
2018-04-01	1.122544434050510