Quarter	Percent
1998-04-01	40.7344679444812
1998-10-01	40.6931592861864
1999-04-01	40.5051683894632
1999-10-01	40.1758919639880
2000-04-01	39.5347860771718
2000-10-01	39.4550111265063
2001-04-01	40.2187957619089
2001-10-01	40.3608491581622
2002-01-01	40.3091973098087
2002-04-01	41.5410824269427
2002-07-01	42.6916688521724
2002-10-01	42.4190800681431
2003-01-01	41.9959428470630
2003-04-01	42.0757796303648
2003-07-01	43.3251036063839
2003-10-01	42.2897196261682
2004-01-01	42.5225947197364
2004-04-01	42.7674636035795
2004-07-01	43.2990608447946
2004-10-01	43.0364534650821
2005-01-01	42.5726514980852
2005-04-01	43.7407023396294
2005-07-01	44.2657657657658
2005-10-01	44.6903452627783
2006-01-01	45.3688953620682
2006-04-01	46.5720394886493
2006-07-01	48.4104243416564
2006-10-01	47.2460999681630
2007-01-01	46.7752293577982
2007-04-01	48.1513761467890
2007-07-01	49.5458715596330
2007-10-01	49.5550458715596
2008-01-01	49.0083676205446
2008-04-01	49.6278489205307
2008-07-01	49.1008275160649
2008-10-01	47.3394665064028
2009-01-01	45.3455141719372
2009-04-01	43.2700866713516
2009-07-01	41.2040290466151
2009-10-01	40.4310142890607
2010-01-01	39.6788990825688
2010-04-01	40.2140672782875
2010-07-01	41.4898700305810
2010-10-01	41.2079510703364
2011-01-01	40.7775989072638
2011-04-01	41.8800917117908
2011-07-01	42.6947655983219
2011-10-01	42.7679398995073
2012-01-01	42.0846356104579
2012-04-01	42.9974698615865
2012-07-01	44.3865654611301
2012-10-01	44.2923054025897
2013-01-01	44.1092458030569
2013-04-01	44.5502380355800
2013-07-01	45.4071661237785
2013-10-01	45.1115008769732
2014-01-01	44.7109533468560
2014-04-01	45.1480221398466
2014-07-01	45.0394101195017