Quarter	Percent
2005-01-01	7.02306967604338
2005-04-01	6.49389867366998
2005-07-01	6.39729619078403
2005-10-01	6.30271327889338
2006-01-01	6.58389643374376
2006-04-01	5.95465572094826
2006-07-01	5.92412495242072
2006-10-01	5.70971089953321
2007-01-01	6.00065367693677
2007-04-01	5.42534564074723
2007-07-01	5.48575645265761
2007-10-01	5.42063297583239
2008-01-01	5.84080732965586
2008-04-01	5.60046085286140
2008-07-01	5.88856793045972
2008-10-01	6.33038525831586
2009-01-01	7.87217948706318
2009-04-01	8.02240898914787
2009-07-01	8.27829001831225
2009-10-01	8.18378466609658
2010-01-01	8.88245585887658
2010-04-01	8.21397846443448
2010-07-01	8.12936537256736
2010-10-01	7.99698388984243
2011-01-01	8.31897499764430
2011-04-01	7.82717034220815
2011-07-01	7.86844118128963
2011-10-01	7.74490856985623
2012-01-01	8.26800638730355
2012-04-01	7.82540526512275
2012-07-01	7.83609606848354
2012-10-01	7.82029626691553
2013-01-01	8.38482261796349
2013-04-01	7.85537537573953
2013-07-01	7.75287472901284
2013-10-01	7.51782079834823
2014-01-01	7.91620067019056
2014-04-01	7.27254497079289
2014-07-01	7.23130670076484
2014-10-01	7.01103746614298
2015-01-01	7.27295956312626
2015-04-01	6.76580665349513
2015-07-01	6.60278614669530
2015-10-01	6.44569610757752
2016-01-01	6.72287623525060
2016-04-01	6.25224950912568
2016-07-01	6.26289607866947
2016-10-01	6.07828579631160
2017-01-01	6.30202627163340
2017-04-01	5.71830918446577
2017-07-01	5.65125183791322
2017-10-01	5.40904471526454
2018-01-01	5.63855348526933
2018-04-01	5.20962473247868