Quarter	Percent
1999-04-01	3.78015799587218
1999-07-01	3.80044213504311
1999-10-01	3.55441488644189
2000-01-01	3.53910107258385
2000-04-01	3.43623485369502
2000-07-01	3.36850678092136
2000-10-01	3.20420158266211
2001-01-01	3.21133962370755
2001-04-01	2.87796172593058
2001-07-01	3.21565147577697
2001-10-01	3.08026198231408
2002-01-01	3.15657763859453
2002-04-01	3.12207009646076
2002-07-01	3.27668200437686
2002-10-01	3.12151967891740
2003-01-01	3.15924983995606
2003-04-01	3.04853548006136
2003-07-01	3.21222669042994
2003-10-01	2.98840802901651
2004-01-01	2.90178416044218
2004-04-01	2.76609207790673
2004-07-01	2.94140101748322
2004-10-01	2.82260436818444
2005-01-01	2.84840103716508
2005-04-01	2.77766266058848
2005-07-01	2.95019605951388
2005-10-01	3.05257401872952
2006-01-01	3.17719206680585
2006-04-01	3.23343524218204
2006-07-01	3.42673372335694
2006-10-01	3.17947316273190
2007-01-01	3.30746337933953
2007-04-01	3.11434014087627
2007-07-01	3.25092975979222
2007-10-01	2.94669676039846
2008-01-01	3.13066336053440
2008-04-01	3.20314638176234
2008-07-01	3.71226882597644
2008-10-01	3.88208372593889
2009-01-01	4.42234072786238
2009-04-01	4.85664248186140
2009-07-01	5.11334123569916
2009-10-01	4.76997796016874
2010-01-01	5.06478131539066
2010-04-01	4.76839733004166
2010-07-01	4.75641956564790
2010-10-01	4.64944066508032
2011-01-01	4.67293097217203
2011-04-01	4.68684975407392
2011-07-01	5.09081037589903
2011-10-01	4.89103989706512
2012-01-01	4.85880385130795
2012-04-01	4.64200955162075
2012-07-01	4.69034253339571
2012-10-01	4.46364897631057
2013-01-01	4.61080363789365
2013-04-01	4.54826002798432
2013-07-01	4.54589424943410
2013-10-01	4.11133497692322
2014-01-01	3.91514088015144
2014-04-01	3.56315867120801
2014-07-01	3.53879780721264
2014-10-01	3.20505651188875