Quarter	Percent
2005-01-01	61.0227967508079
2005-04-01	61.5509473239826
2005-07-01	62.0470328624278
2005-10-01	62.5364368066130
2006-01-01	58.9231652758379
2006-04-01	60.9167244768181
2006-07-01	61.9284362873044
2006-10-01	62.5920996665889
2007-01-01	60.1547415175312
2007-04-01	62.1056596021502
2007-07-01	62.0649966147596
2007-10-01	59.7030767163778
2008-01-01	57.0076751835731
2008-04-01	59.4112969545390
2008-07-01	59.3137651276246
2008-10-01	58.3468341210652
2009-01-01	58.5580351247854
2009-04-01	59.9829791796501
2009-07-01	61.2010350791492
2009-10-01	61.4775656713983
2010-01-01	55.3334875175063
2010-04-01	57.4606431712880
2010-07-01	55.4550490403728
2010-10-01	56.3965961331551
2011-01-01	53.0675084240288
2011-04-01	56.9734489836456
2011-07-01	56.0140912602222
2011-10-01	56.9375418853552
2012-01-01	55.2371006168206
2012-04-01	57.8558319510772
2012-07-01	59.5936783752522
2012-10-01	59.0212907733662
2013-01-01	56.4309559477123
2013-04-01	59.6456132027232
2013-07-01	60.6623192053921
2013-10-01	59.0461115215797
2014-01-01	56.4796784102221
2014-04-01	59.9541881952194
2014-07-01	60.6606211321856
2014-10-01	59.6092447746380
2015-01-01	56.4567788116006
2015-04-01	59.5557612263040
2015-07-01	60.1781300715263
2015-10-01	60.5817680610064
2016-01-01	58.2530142159146
2016-04-01	61.2791986452214
2016-07-01	61.5381214763625
2016-10-01	62.1260712050623
2017-01-01	58.9935708977114
2017-04-01	63.1794046934790
2017-07-01	63.3782473351795
2017-10-01	63.5713416212452
2018-01-01	61.9324719336874
2018-04-01	62.8658655489575
2018-07-01	64.4843612787982