Quarter	Percent
2005-01-01	47.7287033560864
2005-04-01	48.8706430644158
2005-07-01	50.5685944826031
2005-10-01	48.6970884790198
2006-01-01	47.6700853324624
2006-04-01	48.9205715529973
2006-07-01	50.6065816628368
2006-10-01	48.6295652524665
2007-01-01	47.6603652440745
2007-04-01	48.6345546760310
2007-07-01	50.1558602608509
2007-10-01	48.4017146758172
2008-01-01	47.3653913153615
2008-04-01	48.8944467687860
2008-07-01	50.1215775051831
2008-10-01	47.7174768371746
2009-01-01	46.5071402352089
2009-04-01	47.8557410564278
2009-07-01	49.0104442185971
2009-10-01	46.5655341821333
2010-01-01	45.7126034610777
2010-04-01	47.0598941306428
2010-07-01	48.3603899692599
2010-10-01	46.1204967144334
2011-01-01	45.4887223028323
2011-04-01	46.8643030089246
2011-07-01	48.2162867282223
2011-10-01	46.4562288490523
2012-01-01	45.2923788657599
2012-04-01	46.9975232203953
2012-07-01	48.2489736278865
2012-10-01	46.3808587632688
2013-01-01	45.5039854464650
2013-04-01	46.9835991031975
2013-07-01	48.2243349418377
2013-10-01	46.1382183659483
2014-01-01	45.5241457140286
2014-04-01	46.7314840525537
2014-07-01	48.1792638222296
2014-10-01	46.2614878340369
2015-01-01	45.4519531381607
2015-04-01	46.7211291463767
2015-07-01	48.0327696235866
2015-10-01	46.4035970568943
2016-01-01	45.5419248409478
2016-04-01	46.9728312145781
2016-07-01	48.3326836767481
2016-10-01	46.4181058034555
2017-01-01	45.7121368838716
2017-04-01	47.0874230191390
2017-07-01	48.4468861712350
2017-10-01	46.4101971512363
2018-01-01	45.9867302755626
2018-04-01	47.2641142442284