Quarter	Percent
2002-04-01	55.3754710318794
2002-07-01	55.5753523002995
2002-10-01	55.3196850473870
2003-01-01	56.6340605774723
2003-04-01	57.7421454373922
2003-07-01	57.7105047161330
2003-10-01	57.6177890993622
2004-01-01	57.0178202525594
2004-04-01	58.3293532226201
2004-07-01	57.7906336578384
2004-10-01	57.4615106657858
2005-01-01	56.1979659546266
2005-04-01	56.0334055133654
2005-07-01	55.7397774779995
2005-10-01	56.0293869234709
2006-01-01	55.6111129676444
2006-04-01	56.1997119837194
2006-07-01	58.8219215245715
2006-10-01	57.6676210223541
2007-01-01	57.0091709882160
2007-04-01	57.1983902125232
2007-07-01	56.9933696196784
2007-10-01	56.4816874825080
2008-01-01	55.9430786922468
2008-04-01	56.9224556376804
2008-07-01	56.8836713440174
2008-10-01	56.7437542426666
2009-01-01	55.0651977586743
2009-04-01	55.2063406135281
2009-07-01	54.9635144987349
2009-10-01	54.8108655530249
2010-01-01	54.4302432766339
2010-04-01	54.7167930116858
2010-07-01	54.8114249530106
2010-10-01	55.3434727895288
2011-01-01	54.5559386508314
2011-04-01	54.8429555926042
2011-07-01	54.5323480396503
2011-10-01	53.8426684541844
2012-01-01	53.5075917936048
2012-04-01	54.2592588088141
2012-07-01	53.8053331646767
2012-10-01	54.5153988295393
2013-01-01	52.8772452849818
2013-04-01	52.8312438069896
2013-07-01	53.0849913807098
2013-10-01	52.1050079930492
2014-01-01	50.4254902596001
2014-04-01	49.9816671650746
2014-07-01	50.0232691220078
2014-10-01	49.8993875204607
2015-01-01	49.7485400183876
2015-04-01	50.0220572003381
2015-07-01	50.1187882608696