Quarter	Percent
1991-01-01	6.53546529549451
1991-04-01	6.24975468055587
1991-07-01	6.27879697907821
1991-10-01	6.40322585994850
1992-01-01	7.20903046526764
1992-04-01	6.88286085459460
1992-07-01	6.96699725616337
1992-10-01	6.93724670616307
1993-01-01	7.50078175363111
1993-04-01	7.16171159446212
1993-07-01	7.04170385472968
1993-10-01	7.06512630018706
1994-01-01	7.63675577071140
1994-04-01	6.99979680239394
1994-07-01	6.81373319005969
1994-10-01	6.55050609197488
1995-01-01	7.00589442538225
1995-04-01	6.66460323382858
1995-07-01	6.65561992679212
1995-10-01	6.58001669140223
1996-01-01	7.13545004862486
1996-04-01	6.73688565291389
1996-07-01	6.59228680772081
1996-10-01	6.56184748522919
1997-01-01	7.03292988119961
1997-04-01	6.54597608427548
1997-07-01	6.36228977407853
1997-10-01	6.20654942600939
1998-01-01	6.70269273804500
1998-04-01	6.32733905076364
1998-07-01	6.28434025697481
1998-10-01	6.16172877506362
1999-01-01	6.57569471358514
1999-04-01	6.18967667826623
1999-07-01	6.01650956321525
1999-10-01	5.74244016684386
2000-01-01	6.14615685401805
2000-04-01	5.67129070183375
2000-07-01	5.57065698742192
2000-10-01	5.37767020897825
2001-01-01	5.89869330805091
2001-04-01	5.67781673484292
2001-07-01	5.85719231535255
2001-10-01	6.13424873395278
2002-01-01	6.73440685980927
2002-04-01	6.46129616711476
2002-07-01	6.36809197655368
2002-10-01	6.35117349303913
2003-01-01	6.95124418908167
2003-04-01	6.69497819436896
2003-07-01	6.55932886991891
2003-10-01	6.35029711435014
2004-01-01	6.77909379050005
2004-04-01	6.31363996122382
2004-07-01	6.24783653040390
2004-10-01	6.21708759674878
2005-01-01	6.65665760517276
2005-04-01	6.12863527030765
2005-07-01	6.03792204731809
2005-10-01	6.02282536319519
2006-01-01	6.25375833796879
2006-04-01	5.74340570698351
2006-07-01	5.71023614324042
2006-10-01	5.50107902127394
2007-01-01	5.75806342958205
2007-04-01	5.26157538479761
2007-07-01	5.33560688863806
2007-10-01	5.27055929662955
2008-01-01	5.68841107931538
2008-04-01	5.56771927121357
2008-07-01	5.86124577410518
2008-10-01	6.20022331333145
2009-01-01	7.72272647484459
2009-04-01	7.94211684095531
2009-07-01	8.20896897689504
2009-10-01	8.12708009578318
2010-01-01	8.71867396611746
2010-04-01	8.08033659475462
2010-07-01	7.96236251715317
2010-10-01	7.82078723018472
2011-01-01	8.02928095109869
2011-04-01	7.56426147515251
2011-07-01	7.57862295162523
2011-10-01	7.36810136872610
2012-01-01	7.75667869572504
2012-04-01	7.32185157874789
2012-07-01	7.25396379540256
2012-10-01	7.11147541723495
2013-01-01	7.61479241603110
2013-04-01	7.10387966958057
2013-07-01	6.97323801832982
2013-10-01	6.68857257566744
2014-01-01	6.94300202069286
2014-04-01	6.29642699886868
2014-07-01	6.28072420380666
2014-10-01	6.01520104428750
2015-01-01	6.23953704817062
2015-04-01	5.83216813258400
2015-07-01	5.65007334545233
2015-10-01	5.50846884787910
2016-01-01	5.78942590784381
2016-04-01	5.39709936064544
2016-07-01	5.39396097256892
2016-10-01	5.23722524140457
2017-01-01	5.42734680553230
2017-04-01	4.91679204714852
2017-07-01	4.93146704062163
2017-10-01	4.66409487989665
2018-01-01	4.91334550771589