Quarter	Percent
2002-04-01	39.4658812327944
2002-07-01	38.6252487485087
2002-10-01	38.5610581628491
2003-01-01	37.9161500429136
2003-04-01	37.1223473026168
2003-07-01	36.6614417768353
2003-10-01	36.7944964339224
2004-01-01	37.7599474338814
2004-04-01	36.9378377586490
2004-07-01	36.8276332605590
2004-10-01	37.0957893376851
2005-01-01	37.9707273050215
2005-04-01	37.7556859790215
2005-07-01	37.8405922717136
2005-10-01	37.8851932120572
2006-01-01	38.1409386203152
2006-04-01	37.8730325689934
2006-07-01	36.5557263043955
2006-10-01	37.1995393338074
2007-01-01	37.7600363555336
2007-04-01	37.6621169246661
2007-07-01	36.9890628156773
2007-10-01	37.2233835332278
2008-01-01	37.8983298423408
2008-04-01	37.6108251686565
2008-07-01	37.2320477279513
2008-10-01	36.6847381004004
2009-01-01	37.8790868356792
2009-04-01	37.9601376689620
2009-07-01	37.6296869665468
2009-10-01	37.6709763342737
2010-01-01	37.8483230734491
2010-04-01	37.5314578467571
2010-07-01	37.3062336642212
2010-10-01	37.2598566806363
2011-01-01	38.0111868281320
2011-04-01	37.6601779436244
2011-07-01	37.3663119852818
2011-10-01	37.6188474886600
2012-01-01	38.0686929133101
2012-04-01	37.6667444420838
2012-07-01	37.8636845704876
2012-10-01	37.0299097481636
2013-01-01	37.9683628760696
2013-04-01	38.0950054128473
2013-07-01	38.0880239163214
2013-10-01	38.5933037955872
2014-01-01	39.5823574302103
2014-04-01	39.9851057536065
2014-07-01	39.7602990165386
2014-10-01	39.6627161333622
2015-01-01	40.3709428465130
2015-04-01	40.1878179432722
2015-07-01	40.1162928120672