Quarter	Percent
2005-01-01	9.79874213836478
2005-04-01	8.70215683829946
2005-07-01	6.55552770117824
2005-10-01	7.43644871632730
2006-01-01	7.63951832189564
2006-04-01	5.37535966518441
2006-07-01	5.75520833333333
2006-10-01	4.98812351543943
2007-01-01	4.90326000530082
2007-04-01	4.05247434731783
2007-07-01	3.65010245901639
2007-10-01	4.10209662716500
2008-01-01	4.59541782545358
2008-04-01	5.16681812280930
2008-07-01	5.99818629356134
2008-10-01	8.29211142931528
2009-01-01	14.78341502185720
2009-04-01	16.86746987951810
2009-07-01	17.22113502935420
2009-10-01	19.46762018275720
2010-01-01	23.28451315432600
2010-04-01	22.17297878055330
2010-07-01	20.22263450834880
2010-10-01	19.17322834645670
2011-01-01	20.47477744807120
2011-04-01	18.64497916386610
2011-07-01	16.96026218762800
2011-10-01	15.48868028713420
2012-01-01	16.61795407098120
2012-04-01	15.48448817821510
2012-07-01	14.39229517091700
2012-10-01	14.30737422467260
2013-01-01	14.84752311301230
2013-04-01	13.34517142466880
2013-07-01	11.73351461590750
2013-10-01	12.37576582709330
2014-01-01	13.93709327548810
2014-04-01	13.18188001632430
2014-07-01	10.41778975741240
2014-10-01	11.18995633187770
2015-01-01	11.07755662319840
2015-04-01	10.75283508676050
2015-07-01	9.10468319559229
2015-10-01	9.45012434374136
2016-01-01	9.63588536619133
2016-04-01	9.44497218075723
2016-07-01	8.52311468703123
2016-10-01	8.81379310344828
2017-01-01	10.06896551724140
2017-04-01	8.57934857934858
2017-07-01	7.61865112406328
2017-10-01	7.71480295223506
2018-01-01	8.63259668508287
2018-04-01	6.49226133406383