Quarter	Percent
2005-01-01	3.08687774593216
2005-04-01	2.77849962117077
2005-07-01	2.88259207568100
2005-10-01	2.50530884376613
2006-01-01	2.78474098447989
2006-04-01	2.52453979420487
2006-07-01	3.16427876517736
2006-10-01	2.81433286644725
2007-01-01	3.10362638979286
2007-04-01	2.69651889392875
2007-07-01	2.99070880753587
2007-10-01	2.73966964531754
2008-01-01	3.07594019369140
2008-04-01	2.72743385735907
2008-07-01	3.25118743202225
2008-10-01	3.38297041654925
2009-01-01	4.21005207555592
2009-04-01	4.18949016326684
2009-07-01	5.12650401483069
2009-10-01	4.45690629229607
2010-01-01	4.58337166079437
2010-04-01	4.40559731445352
2010-07-01	4.47609239005514
2010-10-01	4.50432986582391
2011-01-01	4.36030315872234
2011-04-01	4.41859235058484
2011-07-01	4.52750340721308
2011-10-01	4.04489231797160
2012-01-01	4.03771972900501
2012-04-01	3.95194134582262
2012-07-01	4.22851582358493
2012-10-01	4.16751248492788
2013-01-01	4.14314263962633
2013-04-01	4.32216196098877
2013-07-01	4.38357250083546
2013-10-01	3.89840504540507
2014-01-01	4.04085256776814
2014-04-01	4.14616029205331
2014-07-01	4.49236566980209
2014-10-01	3.71152245924184
2015-01-01	3.61813840863444
2015-04-01	3.62741178489127
2015-07-01	3.98575476797038
2015-10-01	3.56402820151758
2016-01-01	3.43572626659899
2016-04-01	3.38325655386713
2016-07-01	3.52126560627506
2016-10-01	3.11780597203199
2017-01-01	2.95539743716167
2017-04-01	3.03329782215212
2017-07-01	2.96530560482739
2017-10-01	2.88807758394620
2018-01-01	2.66720461264142
2018-04-01	2.85121275973620