Quarter	Percent
1998-01-01	3.22888621565370
1998-04-01	2.49594504341189
1998-07-01	2.63433788909857
1998-10-01	2.66648902761653
1999-01-01	2.57757471920807
1999-04-01	2.24817407181984
1999-07-01	2.18580272703103
1999-10-01	2.21809357700766
2000-01-01	2.40431981811292
2000-04-01	2.12725689844430
2000-07-01	2.30506168874110
2000-10-01	2.19858958404043
2001-01-01	2.46883356559075
2001-04-01	2.25892000677112
2001-07-01	2.17566781175499
2001-10-01	2.30040088419317
2002-01-01	2.37550883845425
2002-04-01	2.43671590824735
2002-07-01	2.82358172453404
2002-10-01	3.45350622445016
2003-01-01	3.39327628587798
2003-04-01	3.37333825701625
2003-07-01	3.17879084183532
2003-10-01	3.44452635458902
2004-01-01	3.39770047169811
2004-04-01	3.31307550644567
2004-07-01	3.62288174575429
2004-10-01	3.69267530557853
2005-01-01	4.00786865957016
2005-04-01	3.77462511026169
2005-07-01	4.16750812388698
2005-10-01	4.29511984888220
2006-01-01	4.26475980931426
2006-04-01	3.88977445537661
2006-07-01	4.20908092273892
2006-10-01	4.48992282087860
2007-01-01	4.66141213905601
2007-04-01	4.46032123083670
2007-07-01	4.43393815486839
2007-10-01	4.57745194587300
2008-01-01	4.21256109125392
2008-04-01	3.97623733508273
2008-07-01	4.28940756654408
2008-10-01	4.22745297777131
2009-01-01	4.58920935310709
2009-04-01	4.52264048008729
2009-07-01	5.03097803375788
2009-10-01	5.09120609855704
2010-01-01	5.47689068002759
2010-04-01	5.55817667126370
2010-07-01	5.90507626181106
2010-10-01	5.80742190331231
2011-01-01	6.03879622915156
2011-04-01	5.87499320023935
2011-07-01	6.07148686143300
2011-10-01	6.52469662065338
2012-01-01	7.07889048336997
2012-04-01	6.98118352877011
2012-07-01	7.24342416415032
2012-10-01	7.90795893104202
2013-01-01	8.08357033471888
2013-04-01	7.68683403882645
2013-07-01	7.38116542795055
2013-10-01	7.44118883547497
2014-01-01	7.04539634927022
2014-04-01	6.68936107908271
2014-07-01	6.57094718335653
2014-10-01	6.38972366781500