Quarter	Percent
2005-01-01	6.01004227445504
2005-04-01	5.31179890435072
2005-07-01	5.02730764294686
2005-10-01	5.12498395002968
2006-01-01	5.64743619701577
2006-04-01	4.90128588054718
2006-07-01	4.62651039428851
2006-10-01	4.65132968563651
2007-01-01	5.14101298354523
2007-04-01	4.39127276010273
2007-07-01	4.26481062556999
2007-10-01	4.45119438709013
2008-01-01	5.04175527130203
2008-04-01	4.63036635287492
2008-07-01	4.74831514268347
2008-10-01	5.54012564622578
2009-01-01	7.49262934609804
2009-04-01	7.42703033808825
2009-07-01	7.42326494750549
2009-10-01	7.62718403346181
2010-01-01	8.52984334115696
2010-04-01	7.47654826651077
2010-07-01	7.08194793453203
2010-10-01	7.21051497582980
2011-01-01	7.66358483478675
2011-04-01	6.91215719958755
2011-07-01	6.64992700371407
2011-10-01	6.84805019914020
2012-01-01	7.48421617896192
2012-04-01	6.82910024176273
2012-07-01	6.67661258182250
2012-10-01	6.89895170799562
2013-01-01	7.63137801034646
2013-04-01	6.97841724709146
2013-07-01	6.74430258841435
2013-10-01	6.71887758459280
2014-01-01	7.26316363658964
2014-04-01	6.41991879292003
2014-07-01	6.17301029424359
2014-10-01	6.22016049187015
2015-01-01	6.66185013061042
2015-04-01	5.95574365452989
2015-07-01	5.66530580070005
2015-10-01	5.73563805589369
2016-01-01	6.09759564607797
2016-04-01	5.47803800251319
2016-07-01	5.35289010348707
2016-10-01	5.37729056351876
2017-01-01	5.72690125899721
2017-04-01	4.97038703580654
2017-07-01	4.76632518937904
2017-10-01	4.70336716663731
2018-01-01	4.99855402366171
2018-04-01	4.55561718627184