Quarter	Percent
1998-04-01	8.22949350067234
1998-10-01	7.13581353653070
1999-04-01	7.58495695514273
1999-10-01	8.19523680159377
2000-04-01	7.79469413802534
2000-10-01	7.91320995532865
2001-04-01	7.84350606602088
2001-10-01	7.51950371275496
2002-01-01	7.12579998089598
2002-04-01	7.97974006116208
2002-07-01	6.02928509905254
2002-10-01	7.10053516819572
2003-01-01	6.28140703517588
2003-04-01	6.41980083148023
2003-07-01	6.72268907563025
2003-10-01	5.39783700270375
2004-01-01	6.57176287051482
2004-04-01	6.05499219968799
2004-07-01	6.10932475884244
2004-10-01	6.10932475884244
2005-01-01	5.89105979869745
2005-04-01	5.92768227622999
2005-07-01	5.30624321925239
2005-10-01	4.88888888888889
2006-01-01	4.70729031614640
2006-04-01	4.42363255952974
2006-07-01	3.76381559295031
2006-10-01	3.62441501543364
2007-01-01	4.54727966271833
2007-04-01	3.78438064645653
2007-07-01	3.52338887773539
2007-10-01	3.24232081911263
2008-01-01	4.30476960388036
2008-04-01	3.86014551333872
2008-07-01	4.60792239288601
2008-10-01	6.87146321746160
2009-01-01	10.06766454787780
2009-04-01	11.89255689973340
2009-07-01	12.30264506868980
2009-10-01	12.87676850522860
2010-01-01	14.71698113207550
2010-04-01	12.95597484276730
2010-07-01	11.48846960167720
2010-10-01	10.54507337526210
2011-01-01	10.97534833869240
2011-04-01	11.11468381564840
2011-07-01	9.32475884244373
2011-10-01	9.45337620578778
2012-01-01	9.63277759616432
2012-04-01	9.68726163234172
2012-07-01	7.87839163125204
2012-10-01	8.78282663179688
2013-01-01	8.06805708013172
2013-04-01	6.54226125137212
2013-07-01	6.69593852908891
2013-10-01	6.58616904500549
2014-01-01	7.59057568348522
2014-04-01	6.75269774168428
2014-07-01	6.11358574610245