Quarter	Ratio
2005-10-01	89.0354087113227
2006-01-01	90.1419443783003
2006-04-01	91.7477213952932
2006-07-01	93.1554118240143
2006-10-01	93.5684598761263
2007-01-01	94.2620839845372
2007-04-01	95.4960990466712
2007-07-01	95.6490289020788
2007-10-01	96.2298267322351
2008-01-01	96.4387065581668
2008-04-01	95.7713461428874
2008-07-01	94.3137346963969
2008-10-01	93.0107566852789
2009-01-01	92.6873715290263
2009-04-01	93.6022260156942
2009-07-01	95.4862078544366
2009-10-01	97.0992800810246
2010-01-01	98.0678426489178
2010-04-01	97.3606519695877
2010-07-01	96.5394704234417
2010-10-01	95.7032389663705
2011-01-01	95.0463419520784
2011-04-01	94.2701291878208
2011-07-01	93.5314342780065
2011-10-01	93.0200433302890
2012-01-01	92.9747336598254
2012-04-01	92.9094989310529
2012-07-01	93.3167394912847
2012-10-01	93.6599089720558
2013-01-01	93.9603616972980
2013-04-01	94.4180486621844
2013-07-01	94.8207093248836
2013-10-01	94.9805314511451
2014-01-01	95.2921306870414
2014-04-01	96.0554901189140
2014-07-01	96.9502746166297
2014-10-01	98.1839430571414
2015-01-01	99.4664931110783
2015-04-01	100.8203739475170
2015-07-01	101.9244506859140
2015-10-01	103.0270532518660
2016-01-01	103.9555621200350
2016-04-01	104.4308206239680
2016-07-01	105.0943787597920
2016-10-01	104.8390000411550
2017-01-01	104.5460758178730
2017-04-01	104.5479084136010
2017-07-01	104.4214528885170
2017-10-01	104.7700386428800
2018-01-01	105.2940957166490
2018-04-01	104.9088500000000