Quarter	Percent
2005-01-01	40.3860483512620
2005-04-01	40.5704381664641
2005-07-01	40.9684064933412
2005-10-01	40.6960221055734
2006-01-01	39.5380657345757
2006-04-01	39.3827683764470
2006-07-01	40.1836810678875
2006-10-01	39.7930033594296
2007-01-01	39.0766894512601
2007-04-01	39.6627108057464
2007-07-01	39.6927358813846
2007-10-01	38.3301356460750
2008-01-01	37.5512209777958
2008-04-01	37.7572866315562
2008-07-01	38.2410600215268
2008-10-01	37.3707887149271
2009-01-01	37.4952800728703
2009-04-01	37.7064295373520
2009-07-01	38.0340491576500
2009-10-01	37.5960940228055
2010-01-01	35.9122016137206
2010-04-01	35.7188789571793
2010-07-01	34.8285657544445
2010-10-01	34.4276223776224
2011-01-01	34.0094037466828
2011-04-01	33.8624725231232
2011-07-01	33.7560447266378
2011-10-01	33.6190783616475
2012-01-01	33.4834516420254
2012-04-01	33.9326917502452
2012-07-01	33.9045904113310
2012-10-01	33.6014177002407
2013-01-01	33.2384939894071
2013-04-01	33.6320614203640
2013-07-01	34.1378333916413
2013-10-01	33.2411788996216
2014-01-01	33.0877056101557
2014-04-01	33.5686799355072
2014-07-01	33.6463614297185
2014-10-01	33.1868564923560
2015-01-01	33.3717945258381
2015-04-01	33.4092590354935
2015-07-01	33.2032896875154
2015-10-01	32.9894457185462
2016-01-01	33.4405899643216
2016-04-01	33.3118060184881
2016-07-01	33.2001651695017
2016-10-01	32.9348804005274
2017-01-01	32.8795649869026
2017-04-01	32.7579923900407
2017-07-01	32.5955223575542
2017-10-01	32.1541131790575
2018-01-01	32.1713690287441
2018-04-01	32.3037565775462
2018-07-01	32.9155822165497