Quarter	Percent
2006-01-01	10.65192156471160
2006-04-01	7.87222008279580
2006-07-01	7.82558509322623
2006-10-01	8.08659092942124
2007-01-01	10.01791103368750
2007-04-01	8.05459744700923
2007-07-01	8.06747722470470
2007-10-01	9.00631222750049
2008-01-01	10.52027635926700
2008-04-01	8.06323106589841
2008-07-01	8.70003739758162
2008-10-01	11.20955647872030
2009-01-01	14.36812977211240
2009-04-01	12.27451002715270
2009-07-01	11.81317920100190
2009-10-01	11.75087999460200
2010-01-01	13.00081627100200
2010-04-01	9.68021315445423
2010-07-01	9.58195002621003
2010-10-01	9.28040992950186
2011-01-01	10.09229247926170
2011-04-01	8.07361583338226
2011-07-01	7.39507799906538
2011-10-01	7.57092397548320
2012-01-01	9.11119131205092
2012-04-01	6.95789816889113
2012-07-01	6.93862703320688
2012-10-01	7.56600612997412
2013-01-01	8.81508078994614
2013-04-01	7.30864399501033
2013-07-01	7.71206663322846
2013-10-01	7.91737408036220
2014-01-01	9.59063491901491
2014-04-01	7.99433012172396
2014-07-01	8.89036512154316
2014-10-01	9.66168441779289
2015-01-01	10.33463733087480
2015-04-01	8.32991503076472
2015-07-01	8.72999836426791
2015-10-01	9.34283413455672
2016-01-01	10.03824418644410
2016-04-01	8.56646518490315
2016-07-01	9.44184040531382
2016-10-01	10.17150207231670
2017-01-01	11.63407358302950
2017-04-01	8.77107984720022
2017-07-01	8.36578549502909
2017-10-01	8.75320457643758
2018-01-01	9.31811588099316
2018-04-01	8.38078504604119