Quarter	Ratio
2009-01-01	85.9407682316290
2009-04-01	83.6175607901088
2009-07-01	86.5465350163265
2009-10-01	85.9087614379305
2010-01-01	84.5715894713808
2010-04-01	83.8641181548262
2010-07-01	84.0120705911967
2010-10-01	84.9803728406436
2011-01-01	80.2067083121621
2011-04-01	80.7368743558606
2011-07-01	81.8977372323177
2011-10-01	82.9886467181569
2012-01-01	82.3919920202959
2012-04-01	82.6578967572108
2012-07-01	83.0212458879756
2012-10-01	84.0094989876385
2013-01-01	83.3249534851691
2013-04-01	84.1575416449035
2013-07-01	84.5433833677363
2013-10-01	85.3212161863615
2014-01-01	84.7150765767474
2014-04-01	85.0081719371188
2014-07-01	85.8010950869120
2014-10-01	87.2014331907146
2015-01-01	91.2820715830882
2015-04-01	87.2389939281785
2015-07-01	88.5890274669148
2015-10-01	89.8937405119657
2016-01-01	91.2514889856321
2016-04-01	92.3504021651682
2016-07-01	93.7271336397377
2016-10-01	95.6199102881801