Quarter	Percent
2005-01-01	32.6837165845189
2005-04-01	31.8377911993098
2005-07-01	30.7944968937105
2005-10-01	31.0562465193986
2006-01-01	33.5833988970520
2006-04-01	32.3392829055284
2006-07-01	30.8800834500300
2006-10-01	30.5272559701944
2007-01-01	32.8762377969838
2007-04-01	30.7663239828081
2007-07-01	31.3765295944028
2007-10-01	33.4489619467275
2008-01-01	35.3890090869753
2008-04-01	33.7563568707362
2008-07-01	33.6102354774902
2008-10-01	33.9956865163567
2009-01-01	34.3905388594932
2009-04-01	33.2299126293488
2009-07-01	32.7016996184530
2009-10-01	32.9121407947202
2010-01-01	38.5380949809660
2010-04-01	36.5877650975779
2010-07-01	37.3853921980588
2010-10-01	37.4405526494320
2011-01-01	39.7799921910809
2011-04-01	37.3765085699242
2011-07-01	38.4386736139391
2011-10-01	38.1036336420425
2012-01-01	39.0413165362102
2012-04-01	36.7277634385463
2012-07-01	36.2520483374818
2012-10-01	36.4660589191497
2013-01-01	38.4986458975714
2013-04-01	35.5605052432262
2013-07-01	34.6800166387935
2013-10-01	36.3458169332502
2014-01-01	38.2288837071063
2014-04-01	34.8266191121497
2014-07-01	35.1812894103893
2014-10-01	35.7871474687345
2015-01-01	37.9314429253534
2015-04-01	35.4743061093453
2015-07-01	34.9381271029508
2015-10-01	34.5975898466061
2016-01-01	36.2318512284674
2016-04-01	33.9641867050140
2016-07-01	33.8552535922649
2016-10-01	34.2438432263622
2017-01-01	35.8510247437564
2017-04-01	33.6257821751361
2017-07-01	33.3133117129204
2017-10-01	33.4034524021477
2018-01-01	35.2160527597674
2018-04-01	33.4674597481408
2018-07-01	32.2934729232524