Quarter	Percent
2006-01-01	27.9612696585265
2006-04-01	30.7148627708934
2006-07-01	31.1316326081535
2006-10-01	30.2658480726088
2007-01-01	28.7043341464019
2007-04-01	30.9936547393210
2007-07-01	31.1951362671285
2007-10-01	29.5712923361461
2008-01-01	28.6153052713163
2008-04-01	31.3743966904160
2008-07-01	31.6054428978375
2008-10-01	29.9864341915492
2009-01-01	28.1613777706905
2009-04-01	30.4606962193351
2009-07-01	31.2968227093326
2009-10-01	30.6901258739679
2010-01-01	29.9358413121141
2010-04-01	32.3628293366312
2010-07-01	32.4680323910442
2010-10-01	31.9004925957100
2011-01-01	31.7044310591271
2011-04-01	33.8495559903568
2011-07-01	34.3122952356789
2011-10-01	33.3212954749553
2012-01-01	31.8588129938351
2012-04-01	34.4059432888957
2012-07-01	34.4121613005624
2012-10-01	34.2000995277839
2013-01-01	33.1204991438506
2013-04-01	35.1512779017632
2013-07-01	34.8144740794782
2013-10-01	34.0183869440931
2014-01-01	33.1341661420193
2014-04-01	35.0991494297569
2014-07-01	34.7255966795780
2014-10-01	34.0713389316938