Quarter	Percent
2005-01-01	69.3853317267508
2005-04-01	70.0000559287542
2005-07-01	70.3544680975616
2005-10-01	70.0612656321777
2006-01-01	69.7116548137792
2006-04-01	70.3473809853290
2006-07-01	70.6866827505755
2006-10-01	70.3978044174594
2007-01-01	69.9421812626296
2007-04-01	70.4769378250214
2007-07-01	70.7148940190436
2007-10-01	70.5111214593062
2008-01-01	70.1142152196823
2008-04-01	70.7976033328997
2008-07-01	70.9367024886692
2008-10-01	70.5789273981909
2009-01-01	70.1374767639018
2009-04-01	70.6584152467817
2009-07-01	70.8214703784755
2009-10-01	70.3586985053474
2010-01-01	70.0590790354169
2010-04-01	70.6381366546976
2010-07-01	70.7203317201142
2010-10-01	70.2490007654857
2011-01-01	69.9951077153702
2011-04-01	70.6157766839308
2011-07-01	70.7383416845394
2011-10-01	70.5161744107878
2012-01-01	70.1045588788199
2012-04-01	70.8491305533502
2012-07-01	71.0240593606466
2012-10-01	70.8007056633219
2013-01-01	70.4117486122046
2013-04-01	71.0599372216018
2013-07-01	71.1713471866030
2013-10-01	70.8906251590687
2014-01-01	70.6488328471623
2014-04-01	71.1085661973625
2014-07-01	71.3180892868892
2014-10-01	71.1147462487579
2015-01-01	70.7981383479469
2015-04-01	71.3022578875407
2015-07-01	71.4489873923209
2015-10-01	71.3732861108372
2016-01-01	71.1723200609198
2016-04-01	71.6686746516638
2016-07-01	71.9598845101184
2016-10-01	71.7146934757897
2017-01-01	71.5163787860296
2017-04-01	72.0218080162994
2017-07-01	72.2978651393711
2017-10-01	72.0617412820572
2018-01-01	71.9093626797409
2018-04-01	72.4195949114537