Quarter	Percent
2003-04-01	57.5605309747314
2004-04-01	57.6137633955130
2005-01-01	57.0970557378319
2005-04-01	57.8653038672630
2005-07-01	58.1178583158961
2005-10-01	57.8656908587002
2006-01-01	57.4049562703948
2006-04-01	58.2059616408249
2006-07-01	58.4544039747488
2006-10-01	58.4027658425288
2007-01-01	57.7113921724162
2007-04-01	58.4602918335719
2007-07-01	58.6256142275650
2007-10-01	58.4643610921654
2008-01-01	57.7929995986251
2008-04-01	58.3665441221881
2008-07-01	58.3424609165548
2008-10-01	57.8102481261206
2009-01-01	56.4793154065265
2009-04-01	56.6530861003048
2009-07-01	56.4553586193368
2009-10-01	56.1066497382078
2010-01-01	55.5266286871353
2010-04-01	56.2075223152493
2010-07-01	56.3085411900798
2010-10-01	56.0558894368358
2011-01-01	55.6567397203340
2011-04-01	56.2266994526850
2011-07-01	56.2856304329458
2011-10-01	56.2350645626776
2012-01-01	55.6552168862638
2012-04-01	56.3151625889104
2012-07-01	56.4116737665372
2012-10-01	56.3462018350682
2013-01-01	55.7386218478684
2013-04-01	56.3898967861333
2013-07-01	56.4923264007501
2013-10-01	56.3495002659958
2014-01-01	55.9631029467881
2014-04-01	56.6249842269785
2014-07-01	56.7670516525691
2014-10-01	56.7296551100459
2015-01-01	56.2981423345563
2015-04-01	56.8541385110709
2015-07-01	56.9936379841322
2015-10-01	56.9683475542094
2016-01-01	56.7837938247475
2016-04-01	57.3348157478613
2016-07-01	57.5132436077404
2016-10-01	57.4048991887264
2017-01-01	57.0981672002913
2017-04-01	57.7800169562881
2017-07-01	57.9810154675409
2017-10-01	57.8755945383051
2018-01-01	57.6478677255094