Quarter	Percent
2003-04-01	65.8017047069357
2004-04-01	65.7636350907853
2005-01-01	65.0001400757750
2005-04-01	66.1000279182017
2005-07-01	66.5680709917456
2005-10-01	66.0192263619307
2006-01-01	65.3290101078114
2006-04-01	66.3707247951345
2006-07-01	66.7764969300966
2006-10-01	66.4045668103578
2007-01-01	65.5470812951661
2007-04-01	66.5714729385683
2007-07-01	66.8560690980154
2007-10-01	66.3226363782617
2008-01-01	65.4659575534542
2008-04-01	66.1962395131526
2008-07-01	66.3361932982352
2008-10-01	65.2649110567931
2009-01-01	63.4208125150913
2009-04-01	63.5847580766351
2009-07-01	63.5335965937144
2009-10-01	62.8447769020989
2010-01-01	62.0250342050162
2010-04-01	63.0898465434155
2010-07-01	63.4493283782052
2010-10-01	62.8965365080052
2011-01-01	62.3065340593271
2011-04-01	63.1947660461806
2011-07-01	63.4525610831906
2011-10-01	63.1386220722123
2012-01-01	62.3808228604161
2012-04-01	63.2813415443905
2012-07-01	63.5911765098056
2012-10-01	63.2031541450188
2013-01-01	62.2786001574192
2013-04-01	63.1701193693405
2013-07-01	63.4026611797448
2013-10-01	62.9552358346417
2014-01-01	62.3556125341634
2014-04-01	63.2808790780143
2014-07-01	63.7430532058292
2014-10-01	63.2950628361325
2015-01-01	62.7498420839360
2015-04-01	63.4994845988502
2015-07-01	63.8883709622642
2015-10-01	63.5023357747916
2016-01-01	63.1579582978607
2016-04-01	64.0039328559462
2016-07-01	64.2794276633784
2016-10-01	63.8585050388690
2017-01-01	63.3901924334676
2017-04-01	64.2880809523636
2017-07-01	64.5974774306021
2017-10-01	64.1910681721675
2018-01-01	63.9144813840726