Quarter	Percent
2002-04-01	53.2882074784663
2002-07-01	54.2138731914765
2002-10-01	54.7800594083008
2003-01-01	54.8887538552966
2003-04-01	54.8752778396975
2003-07-01	55.1583284739496
2003-10-01	55.6212229724759
2004-01-01	54.6869780767225
2004-04-01	55.2906556608808
2004-07-01	56.1275251627667
2004-10-01	56.4584700023503
2005-01-01	55.4842748974228
2005-04-01	55.9399875350542
2005-07-01	56.2488404334379
2005-10-01	56.4043904845807
2006-01-01	55.7278618322684
2006-04-01	55.7092368488092
2006-07-01	56.8307022838983
2006-10-01	56.9970664070238
2007-01-01	56.1584759476504
2007-04-01	56.1191777612049
2007-07-01	57.1365973202141
2007-10-01	57.6811810430142
2008-01-01	56.8870203155352
2008-04-01	57.3514483840876
2008-07-01	57.8850061074692
2008-10-01	58.7135149210897
2009-01-01	56.7998403109433
2009-04-01	56.7010508424212
2009-07-01	57.4365345250119
2009-10-01	57.8384072655259
2010-01-01	57.5680553370758
2010-04-01	57.9653275114599
2010-07-01	58.5434579826303
2010-10-01	59.1775087414378
2011-01-01	58.1021792181914
2011-04-01	58.4101749413640
2011-07-01	58.8770150482772
2011-10-01	59.1237790147421
2012-01-01	58.3343124038958
2012-04-01	58.6725881529952
2012-07-01	58.8038723476404
2012-10-01	59.8640886864174
2013-01-01	58.6056265429462
2013-04-01	58.3006072946988
2013-07-01	58.5576078837077
2013-10-01	58.5174613849731
2014-01-01	57.4281517495486
2014-04-01	57.1161136407886
2014-07-01	57.2841920674983
2014-10-01	57.5554402034420
2015-01-01	56.1971427706874
2015-04-01	55.8429080968893
2015-07-01	55.3847792792600