Quarter	Ratio
2005-01-01	79.5249300755408
2005-04-01	76.9461434009563
2005-07-01	67.2528224166634
2005-10-01	68.9526666023809
2006-01-01	64.6360949172219
2006-04-01	64.8550865835373
2006-07-01	69.0682747091845
2006-10-01	67.2831846236588
2007-01-01	73.2296809461666
2007-04-01	72.9265540397963
2007-07-01	70.0975170303708
2007-10-01	72.9359948386030
2008-01-01	78.8069635379246
2008-04-01	74.2316164583004
2008-07-01	94.7615648342763
2008-10-01	116.1793997384500
2009-01-01	124.0978005249550
2009-04-01	104.4020345982670
2009-07-01	93.5625773929233
2009-10-01	86.6160043492429
2010-01-01	88.5060192478760
2010-04-01	92.5574532593940
2010-07-01	86.3724445685755
2010-10-01	79.7676650739254
2011-01-01	81.4363986708819
2011-04-01	86.8028039672748
2011-07-01	96.6875497115976
2011-10-01	92.4497478404865
2012-01-01	89.7333864053261
2012-04-01	92.5624883599378
2012-07-01	90.7318459426611
2012-10-01	90.0477251169228
2013-01-01	92.7368735819189
2013-04-01	95.1500963545097
2013-07-01	92.9460560609296
2013-10-01	88.8959054871983
2014-01-01	85.1216113424159
2014-04-01	81.9468776901069
2014-07-01	85.5129068379243
2014-10-01	90.0087000944120
2015-01-01	90.6429667994957
2015-04-01	97.0599405676150
2015-07-01	103.9512839416620
2015-10-01	104.6233314893310
2016-01-01	99.9846645913178
2016-04-01	97.0115112589142
2016-07-01	96.9880600138960
2016-10-01	95.1456890669328
2017-01-01	94.2201459542062
2017-04-01	97.9635681045912
2017-07-01	98.1918389995091
2017-10-01	94.8818850828407
2018-01-01	100.1959560620470
2018-04-01	94.7085790931549