Quarter	Percent
1998-04-01	4.19790104947526
1999-04-01	3.37552742616034
2000-04-01	3.12500000000000
2001-04-01	2.11360634081902
2002-04-01	3.58056265984655
2003-01-01	4.76787954830615
2003-04-01	4.76787954830615
2003-07-01	4.76787954830615
2003-10-01	4.76787954830615
2004-01-01	7.08283313325330
2004-04-01	7.08283313325330
2004-07-01	7.08283313325330
2004-10-01	7.08283313325330
2005-01-01	5.81395348837209
2005-04-01	5.81395348837209
2005-07-01	5.81395348837209
2005-10-01	5.81395348837209
2006-01-01	6.22914349276974
2006-04-01	6.22914349276974
2006-07-01	6.22914349276974
2006-10-01	6.22914349276974
2007-01-01	5.31349628055260
2007-04-01	3.48706411698538
2007-07-01	5.50264550264550
2007-10-01	4.54545454545455
2008-01-01	6.68127053669222
2008-04-01	6.09884332281809
2008-07-01	6.10687022900763
2008-10-01	5.23446019629226
2009-01-01	6.63316582914573
2009-04-01	6.17408906882591
2009-07-01	5.26849037487335
2009-10-01	6.33165829145729
2010-01-01	5.36779324055666
2010-04-01	4.02819738167170
2010-07-01	5.32019704433498
2010-10-01	5.66959921798631
2011-01-01	7.64872521246459
2011-04-01	6.62768031189084
2011-07-01	5.43689320388350
2011-10-01	5.26819923371648
2012-01-01	5.88776448942042
2012-04-01	4.70046082949309
2012-07-01	7.04225352112676
2012-10-01	5.91928251121076
2013-01-01	5.36971830985916
2013-04-01	6.77220756376429
2013-07-01	5.93607305936073
2013-10-01	7.46666666666667
2014-01-01	4.31034482758621
2014-04-01	5.54592720970537
2014-07-01	7.37207285342585
2014-10-01	5.81297388374052
2015-01-01	8.47723704866562
2015-04-01	6.10626486915147
2015-07-01	8.74799357945426
2015-10-01	5.97738287560582
2016-01-01	6.72000000000000
2016-04-01	6.91318327974277
2016-07-01	7.31132075471698
2016-10-01	5.56862745098039
2017-01-01	5.42986425339367
2017-04-01	5.17897943640518
2017-07-01	5.94277329420396
2017-10-01	5.46282245827011
2018-01-01	6.14605929139552
2018-04-01	5.68685376661743