Quarter	Percent
1999-04-01	2.25692033023806
1999-07-01	2.48743761103122
1999-10-01	2.38764709460693
2000-01-01	2.26806770089203
2000-04-01	2.14797861135866
2000-07-01	2.27168518718308
2000-10-01	2.20877448207118
2001-01-01	1.89439592773891
2001-04-01	1.81987082181960
2001-07-01	2.03318720920851
2001-10-01	2.05322044148775
2002-01-01	1.87702765332921
2002-04-01	1.95133743163436
2002-07-01	2.13361244741450
2002-10-01	2.11450082293905
2003-01-01	1.87293881309115
2003-04-01	1.81765241371924
2003-07-01	2.06917303288143
2003-10-01	2.00088868991738
2004-01-01	1.82569456497070
2004-04-01	1.89176388972271
2004-07-01	1.97875740827063
2004-10-01	1.97746593126743
2005-01-01	1.87712970527868
2005-04-01	1.84392973419667
2005-07-01	1.95958866202481
2005-10-01	2.15130954310724
2006-01-01	2.12742762947082
2006-04-01	2.24129220995770
2006-07-01	2.44547932383485
2006-10-01	2.30851536650809
2007-01-01	2.31270722593548
2007-04-01	2.23131128960725
2007-07-01	2.41059784923688
2007-10-01	2.17861501863504
2008-01-01	2.14747685359182
2008-04-01	2.15901492293892
2008-07-01	2.56575541816832
2008-10-01	2.52338028901809
2009-01-01	2.80935165100024
2009-04-01	2.96700125068146
2009-07-01	3.15089936521046
2009-10-01	3.01227162562269
2010-01-01	3.05546955542008
2010-04-01	3.09499896376361
2010-07-01	3.39275098314116
2010-10-01	3.23808133445892
2011-01-01	3.23293070888097
2011-04-01	3.30196738532023
2011-07-01	3.61375828337015
2011-10-01	3.53307549982822
2012-01-01	3.48181961278136
2012-04-01	3.36679594928434
2012-07-01	3.56720430950909
2012-10-01	3.40104068710426
2013-01-01	3.37218697348724
2013-04-01	3.26089336031199
2013-07-01	3.49802075398659
2013-10-01	3.12608111603901
2014-01-01	2.96940920059158
2014-04-01	2.75755570262519
2014-07-01	2.80056954427152
2014-10-01	2.47809979307867