Quarter	Percent
2005-01-01	46.3979504252450
2005-04-01	46.2659052946478
2005-07-01	45.6953658118628
2005-10-01	44.5831064570474
2006-01-01	44.5896810311053
2006-04-01	44.1111068130054
2006-07-01	43.7157557095164
2006-10-01	43.5265184473662
2007-01-01	44.6365803887875
2007-04-01	44.4553904639923
2007-07-01	44.9623132148317
2007-10-01	43.6056939659408
2008-01-01	44.3860505679344
2008-04-01	44.1844096862841
2008-07-01	45.6310170851642
2008-10-01	45.9178625844663
2009-01-01	45.6359548473240
2009-04-01	45.7695733478586
2009-07-01	44.2767895348126
2009-10-01	43.9044533973037
2010-01-01	44.9564365801978
2010-04-01	43.8370555701837
2010-07-01	44.8084074401895
2010-10-01	45.7727277595125
2011-01-01	45.4508926987715
2011-04-01	45.0154779117936
2011-07-01	44.0178968980210
2011-10-01	43.8680166556963
2012-01-01	43.9430115373662
2012-04-01	42.9204213235506
2012-07-01	42.7790485508177
2012-10-01	44.0148239709452
2013-01-01	44.5147271057097
2013-04-01	43.1677202042763
2013-07-01	43.4854600137791
2013-10-01	42.7844210959171
2014-01-01	43.4797265055149
2014-04-01	43.4602282289291
2014-07-01	43.6455694930081
2014-10-01	43.6848480751041
2015-01-01	43.9971030655193
2015-04-01	44.2687221652250
2015-07-01	43.4173038092652
2015-10-01	44.0285096595269
2016-01-01	44.9669235504606
2016-04-01	43.8160958876805
2016-07-01	43.5374935509742
2016-10-01	43.2706184312548
2017-01-01	43.7307857588220
2017-04-01	43.6139084787387
2017-07-01	44.0473630801562
2017-10-01	44.6296146669644
2018-01-01	43.9534925628775
2018-04-01	43.9460568111411