Quarter	Percent
2005-01-01	3.36175246879352
2005-04-01	2.76090455980041
2005-07-01	3.11841210635807
2005-10-01	2.55702806739719
2006-01-01	2.81964892930174
2006-04-01	2.59114401328670
2006-07-01	3.56375306608621
2006-10-01	2.97480282647005
2007-01-01	3.40598430867359
2007-04-01	2.99262275843918
2007-07-01	3.39264823437272
2007-10-01	2.93489855492235
2008-01-01	3.14982601699077
2008-04-01	2.91045681081285
2008-07-01	3.30282684019091
2008-10-01	3.25869722966555
2009-01-01	3.98616973881001
2009-04-01	3.73027653987497
2009-07-01	5.59249422521611
2009-10-01	4.05927563834301
2010-01-01	4.30625015848234
2010-04-01	4.40812755088350
2010-07-01	4.54343218792044
2010-10-01	4.01587143713235
2011-01-01	3.96670392855954
2011-04-01	4.47257017035101
2011-07-01	4.74952291549583
2011-10-01	3.80561131914139
2012-01-01	3.70786739569960
2012-04-01	4.13167019781643
2012-07-01	4.33727800183967
2012-10-01	3.99186633584519
2013-01-01	4.09332753888298
2013-04-01	4.20286583738853
2013-07-01	4.40977556543344
2013-10-01	3.86471220127764
2014-01-01	4.02376935866193
2014-04-01	4.10036032800276
2014-07-01	4.38283355859022
2014-10-01	3.78030419292421
2015-01-01	3.53389589333132
2015-04-01	3.86976920847828
2015-07-01	3.98584091437406
2015-10-01	3.67795064572173
2016-01-01	3.46689377979160
2016-04-01	3.35465231426486
2016-07-01	3.58851704392047
2016-10-01	3.15454179714480
2017-01-01	3.05990766141037
2017-04-01	3.24668572018870
2017-07-01	3.10877619840947
2017-10-01	3.10611669122509
2018-01-01	2.81741479013754
2018-04-01	2.86123464717774