Quarter	Percent
1998-01-01	4.36285776022944
1998-04-01	3.84343731606828
1998-07-01	3.73469187812286
1998-10-01	4.05283757338552
1999-01-01	4.47650324497615
1999-04-01	4.15551953758128
1999-07-01	4.16536600593101
1999-10-01	4.61163629275899
2000-01-01	4.40904399306705
2000-04-01	4.03293302450513
2000-07-01	3.84375972611267
2000-10-01	3.90948502109294
2001-01-01	4.03467445585603
2001-04-01	3.72338420953458
2001-07-01	3.69812173847516
2001-10-01	4.15081547327583
2002-01-01	4.13560725848957
2002-04-01	3.46734897371738
2002-07-01	3.41073610980540
2002-10-01	3.63041885111900
2003-01-01	3.72338428029592
2003-04-01	3.26623266983097
2003-07-01	3.12500000000000
2003-10-01	3.37141786851470
2004-01-01	4.05195485766690
2004-04-01	3.48987263648095
2004-07-01	3.36958959407939
2004-10-01	3.52587446542290
2005-01-01	3.60155258639994
2005-04-01	3.20926416290605
2005-07-01	3.33333333333333
2005-10-01	3.37907024370264
2006-01-01	3.48837209302326
2006-04-01	3.06608158863560
2006-07-01	2.81148378704822
2006-10-01	3.02321262766945
2007-01-01	3.15648833713745
2007-04-01	2.70155010012608
2007-07-01	2.67891879874762
2007-10-01	2.85063769135368
2008-01-01	3.05659888615464
2008-04-01	2.57164529795933
2008-07-01	2.58250702974693
2008-10-01	2.93181902260368
2009-01-01	3.73337280076962
2009-04-01	3.49078255719257
2009-07-01	3.65158136434338
2009-10-01	4.22000333450658
2010-01-01	4.94557457303392
2010-04-01	5.09658246656761
2010-07-01	5.28313118535605
2010-10-01	6.24149945037542
2011-01-01	7.12940342763366
2011-04-01	7.29182211610208
2011-07-01	7.96328084185387
2011-10-01	9.38508911075861
2012-01-01	10.31867598161920
2012-04-01	10.85850080461060
2012-07-01	11.28188787464150
2012-10-01	12.13037192798000
2013-01-01	12.79347356153310
2013-04-01	12.55455229495860
2013-07-01	12.38493251256570
2013-10-01	12.64034360635970
2014-01-01	12.78048044650600
2014-04-01	11.97780001132650
2014-07-01	11.50211672210460