Quarter	Percent
2005-01-01	4.36343995528284
2005-04-01	5.13514562960866
2005-07-01	5.04483282769681
2005-10-01	3.92827430917071
2006-01-01	3.88081575875003
2006-04-01	4.19340818274914
2006-07-01	3.77909153974130
2006-10-01	2.93096142069810
2007-01-01	3.08752551590690
2007-04-01	3.34690480310604
2007-07-01	3.73125692133955
2007-10-01	3.39741110134295
2008-01-01	3.48441614522916
2008-04-01	3.97825213478754
2008-07-01	3.65955587546025
2008-10-01	3.68226413191347
2009-01-01	4.47485959244979
2009-04-01	5.64473847712631
2009-07-01	5.25636011561245
2009-10-01	4.38164960025112
2010-01-01	4.32929498304272
2010-04-01	4.11975622744216
2010-07-01	4.04492153371712
2010-10-01	3.44615210691739
2011-01-01	3.53395116106980
2011-04-01	3.39470736816454
2011-07-01	3.67801882184680
2011-10-01	3.08288621732868
2012-01-01	2.94384973906575
2012-04-01	3.24388828867135
2012-07-01	3.03282780875547
2012-10-01	2.92603460826673
2013-01-01	2.99784756144813
2013-04-01	3.10466688376056
2013-07-01	2.88719868759337
2013-10-01	2.86487896628875
2014-01-01	3.38978869848119
2014-04-01	3.49677903954628
2014-07-01	3.51472635990283
2014-10-01	3.18268542921623
2015-01-01	3.03488883861420
2015-04-01	3.32889961443396
2015-07-01	3.42299646019340
2015-10-01	3.25404857571101
2016-01-01	3.17950969326864
2016-04-01	3.72599444953972
2016-07-01	3.63323199552732
2016-10-01	3.29652019643070
2017-01-01	3.39873875353099
2017-04-01	3.76400397458404
2017-07-01	3.70914855942272
2017-10-01	3.41251010101667
2018-01-01	3.50336045460472
2018-04-01	3.73676891893332
2018-07-01	3.83709606865129