Quarter	Percent
1998-01-01	47.5351554763319
1998-04-01	48.2026774318027
1998-07-01	47.9293448194104
1998-10-01	48.0405312074511
1999-01-01	48.2409928574247
1999-04-01	48.5197303583396
1999-07-01	48.6661484112848
1999-10-01	48.5646074039142
2000-01-01	48.9844401904481
2000-04-01	49.2582824311472
2000-07-01	49.6270994010101
2000-10-01	49.6045539759413
2001-01-01	49.7747835582248
2001-04-01	49.8544176217974
2001-07-01	49.9125653331261
2001-10-01	49.9166440507114
2002-01-01	49.5370548604427
2002-04-01	49.6684350132626
2002-07-01	49.5817424838357
2002-10-01	48.7925945800912
2003-01-01	48.7994789920795
2003-04-01	48.8182418655409
2003-07-01	48.7909859586027
2003-10-01	48.5138582361203
2004-01-01	48.3538426262086
2004-04-01	48.4140169960852
2004-07-01	48.2727368129824
2004-10-01	48.1970993501172
2005-01-01	47.9424240979934
2005-04-01	48.2293632187851
2005-07-01	48.1004341864717
2005-10-01	48.0151066886101
2006-01-01	48.0780023781213
2006-04-01	48.5186734616262
2006-07-01	48.4877566727796
2006-10-01	48.0015569817340
2007-01-01	48.0429209001994
2007-04-01	48.2192508801731
2007-07-01	48.5696134115929
2007-10-01	48.3934239825650
2008-01-01	48.4554648771102
2008-04-01	48.7867274329408
2008-07-01	48.4432113028162
2008-10-01	48.1727920645888
2009-01-01	47.5111279477223
2009-04-01	47.2694048362968
2009-07-01	46.6629446331747
2009-10-01	46.6626316884492
2010-01-01	46.6691903657786
2010-04-01	46.4747411655594
2010-07-01	46.2127232818650
2010-10-01	46.0285036078721
2011-01-01	45.2186594443077
2011-04-01	45.4699623878504
2011-07-01	45.0483320697498
2011-10-01	43.9274403079899
2012-01-01	43.5505173839093
2012-04-01	43.7814494573334
2012-07-01	43.4559908601895
2012-10-01	42.2919287811201
2013-01-01	41.5975698292003
2013-04-01	42.3139452594534
2013-07-01	42.7947681878244
2013-10-01	42.8531701890990
2014-01-01	42.5409851819108
2014-04-01	43.4359275330248
2014-07-01	43.9738378253415
2014-10-01	43.3225949574644