Quarter	Percent
1999-04-01	41.5232256543268
2000-04-01	42.0697674418605
2001-04-01	42.8043428043428
2002-04-01	43.2345508844475
2003-01-01	42.2633837813418
2003-04-01	42.2633837813418
2003-07-01	42.2633837813418
2003-10-01	42.2633837813418
2004-01-01	42.2800718132855
2004-04-01	42.2800718132855
2004-07-01	42.2800718132855
2004-10-01	42.2800718132855
2005-01-01	43.0604982206406
2005-04-01	43.0604982206406
2005-07-01	43.0604982206406
2005-10-01	43.0604982206406
2006-01-01	42.7914110429448
2006-04-01	42.7914110429448
2006-07-01	42.7914110429448
2006-10-01	42.7914110429448
2007-01-01	43.5483870967742
2007-04-01	43.3009708737864
2007-07-01	44.0430107526882
2007-10-01	43.8037865748709
2008-01-01	42.9744920017294
2008-04-01	44.1643719550943
2008-07-01	43.4987168520103
2008-10-01	42.5513698630137
2009-01-01	44.7851481017939
2009-04-01	45.4055175274839
2009-07-01	45.4715802623360
2009-10-01	44.8582660873164
2010-01-01	44.9774497744978
2010-04-01	44.7712418300654
2010-07-01	45.6848609680742
2010-10-01	45.4045241491746
2011-01-01	45.6129807692308
2011-04-01	44.4088176352705
2011-07-01	45.0901803607214
2011-10-01	44.8523543495611
2012-01-01	45.2455183164458
2012-04-01	46.0289514866980
2012-07-01	46.4884900507218
2012-10-01	46.4369158878505
2013-01-01	46.0417864673184
2013-04-01	45.8084409327423
2013-07-01	46.3909481076863
2013-10-01	46.4105549088087
2014-01-01	46.7110266159696
2014-04-01	46.7490494296578
2014-07-01	46.0229445506692