Quarter	Percent
2006-01-01	42.6149335476478
2006-04-01	45.4329376854599
2006-07-01	46.2956444575908
2006-10-01	45.4461015869646
2007-01-01	43.1202638432461
2007-04-01	45.7004199501218
2007-07-01	46.5233142456468
2007-10-01	44.8025562678955
2008-01-01	43.2528815410037
2008-04-01	46.1101442896565
2008-07-01	46.5174488429027
2008-10-01	44.4795924241552
2009-01-01	41.8729319661711
2009-04-01	44.0989629833116
2009-07-01	45.4034220760138
2009-10-01	44.6497866287340
2010-01-01	43.5386230177867
2010-04-01	46.3184040193726
2010-07-01	46.7108418101090
2010-10-01	46.1153960833291
2011-01-01	45.8670343652435
2011-04-01	48.0675303797398
2011-07-01	49.0150685616777
2011-10-01	47.8691636892984
2012-01-01	45.6475887070197
2012-04-01	48.4391769060604
2012-07-01	48.8707256501924
2012-10-01	48.4853183606183
2013-01-01	46.8586934400651
2013-04-01	49.0470947548957
2013-07-01	49.1264644328896
2013-10-01	48.1283091725086
2014-01-01	47.0840863186988
2014-04-01	49.2354902278014
2014-07-01	49.0054814316833
2014-10-01	47.9878606029551