Quarter	Percent
2005-01-01	46.0048162612647
2005-04-01	46.7422240647823
2005-07-01	46.8708896896031
2005-10-01	46.8909991874282
2006-01-01	46.5129390086918
2006-04-01	47.2830282021536
2006-07-01	47.4347075120421
2006-10-01	47.5529299365936
2007-01-01	47.0403601759396
2007-04-01	47.7299442587069
2007-07-01	47.7400967646595
2007-10-01	47.8867259141804
2008-01-01	47.3708278496385
2008-04-01	48.0244329982600
2008-07-01	47.8627902413539
2008-10-01	47.7075067285822
2009-01-01	46.8162383509620
2009-04-01	47.1956038982488
2009-07-01	47.0731193650633
2009-10-01	47.0086478921208
2010-01-01	46.4706850508689
2010-04-01	47.0670761145748
2010-07-01	46.9658361516000
2010-10-01	46.8311529165778
2011-01-01	46.4831735681020
2011-04-01	47.1160809547183
2011-07-01	46.9800923134064
2011-10-01	47.1093860523566
2012-01-01	46.6028388769012
2012-04-01	47.3321709119604
2012-07-01	47.2240746939086
2012-10-01	47.2056598436791
2013-01-01	46.7205086340646
2013-04-01	47.4378993735683
2013-07-01	47.3903097443025
2013-10-01	47.4556879164945
2014-01-01	47.0493083883280
2014-04-01	47.6291633203435
2014-07-01	47.5129331186382
2014-10-01	47.7106612247573
2015-01-01	47.3449526238545
2015-04-01	47.9457240645827
2015-07-01	47.9364376457278
2015-10-01	48.2108298931912
2016-01-01	47.9433099834072
2016-04-01	48.4555314054401
2016-07-01	48.5193323352714
2016-10-01	48.5772987740135
2017-01-01	48.3372413387785
2017-04-01	48.9455871174749
2017-07-01	49.0303734069959
2017-10-01	49.1719279318810
2018-01-01	48.9047666048135
2018-04-01	49.5602588960349