Quarter	Percent
2006-01-01	10.37054254556720
2006-04-01	7.26969570654439
2006-07-01	9.41159250585480
2006-10-01	9.52609313717094
2007-01-01	9.66661866359447
2007-04-01	7.95023468141195
2007-07-01	9.35471863013255
2007-10-01	9.73262791606008
2008-01-01	10.54024374876240
2008-04-01	8.24702307119821
2008-07-01	9.95009829124452
2008-10-01	11.30922872723200
2009-01-01	13.79843158104610
2009-04-01	12.07355572690110
2009-07-01	12.91089053229480
2009-10-01	11.79027834510120
2010-01-01	12.93079355740240
2010-04-01	10.36342415583370
2010-07-01	11.46775527628810
2010-10-01	10.91450716462780
2011-01-01	11.05029647136870
2011-04-01	9.63039887893499
2011-07-01	10.27891602807730
2011-10-01	9.39287571502860
2012-01-01	9.91697850024813
2012-04-01	8.07330781530113
2012-07-01	9.54453956782189
2012-10-01	10.02494186256670
2013-01-01	10.69044229542000
2013-04-01	9.45875588554871
2013-07-01	11.03018048550720
2013-10-01	11.06894072441390
2014-01-01	11.42182919560640
2014-04-01	10.46775352555470
2014-07-01	12.51738993851820
2014-10-01	12.90508539714480
2015-01-01	13.13088501454790
2015-04-01	11.44152795561250
2015-07-01	12.99546818152810
2015-10-01	12.83557678857720
2016-01-01	12.61049678703070
2016-04-01	11.10666091564480
2016-07-01	14.96371139889000
2016-10-01	15.77419421021320
2017-01-01	14.62307367640850
2017-04-01	12.88571037235600
2017-07-01	14.76972096166840
2017-10-01	13.32152140263430
2018-01-01	13.27786496116230
2018-04-01	12.26432154108250