Quarter	Percent
1995-01-01	53.1364030220093
1995-04-01	53.3854672352638
1995-07-01	53.6019651580751
1995-10-01	53.2442298530937
1996-01-01	52.3071097110435
1996-04-01	53.7943445129239
1996-07-01	54.4932621657270
1996-10-01	53.9707940456735
1997-01-01	53.6767530870966
1997-04-01	55.7242957725830
1997-07-01	56.0749652851246
1997-10-01	55.2521731027314
1998-01-01	53.5368079587276
1998-04-01	54.2951336343612
1998-07-01	56.1167186086933
1998-10-01	55.2086058176267
1999-01-01	54.2667495714702
1999-04-01	56.4409373762083
1999-07-01	57.5378492655272
1999-10-01	57.8986399663724
2000-01-01	56.3956377248939
2000-04-01	57.7759476285185
2000-07-01	57.7422376790891
2000-10-01	57.6033338280960
2001-01-01	55.9209646679403
2001-04-01	57.7133734994091
2001-07-01	58.3118467636102
2001-10-01	57.2039210074838
2002-01-01	57.1775116126478
2002-04-01	59.3076775048708
2002-07-01	59.5212780775934
2002-10-01	59.9874208946773
2003-01-01	59.0646106603641
2003-04-01	60.9145293773268
2003-07-01	61.7803985533234
2003-10-01	61.8748685564937
2004-01-01	60.6390215491543
2004-04-01	62.0043874233748
2004-07-01	62.1563911634440
2004-10-01	62.7908779363793
2005-01-01	62.0059286387511
2005-04-01	63.4114692000113
2005-07-01	63.7591882777439
2005-10-01	63.1222715288647
2006-01-01	61.1520702160567
2006-04-01	62.5860920017644
2006-07-01	63.2946213456270
2006-10-01	63.5305982564732
2007-01-01	61.7439920300298
2007-04-01	63.6586424792160
2007-07-01	64.1405270970366
2007-10-01	64.4001154345262
2008-01-01	62.4865753031645
2008-04-01	63.0107071819190
2008-07-01	63.1843389217663
2008-10-01	63.1975623873051
2009-01-01	60.6836142809057
2009-04-01	61.7956661338389
2009-07-01	62.5174394744212
2009-10-01	62.2869900444722
2010-01-01	60.7673454952875
2010-04-01	63.0101267371137
2010-07-01	63.7252477198695
2010-10-01	64.1505905563028
2011-01-01	61.7374671748270
2011-04-01	63.3500704666401
2011-07-01	63.8345890583166
2011-10-01	63.8411850533458
2012-01-01	62.3384128817896
2012-04-01	64.1852315412160
2012-07-01	64.7203816470170
2012-10-01	64.7440474760786
2013-01-01	63.5337906215716
2013-04-01	65.2031971592089
2013-07-01	65.4271579285284
2013-10-01	64.4659143062985
2014-01-01	63.2914774047068
2014-04-01	65.6927268195095
2014-07-01	65.8572236508737
2014-10-01	64.9899979162646
2015-01-01	64.0232605855854
2015-04-01	66.5789193823087
2015-07-01	67.3272452511894
2015-10-01	66.2078444195765
2016-01-01	64.9171216794072
2016-04-01	66.6869320273869
2016-07-01	67.2786482094756
2016-10-01	66.7936173903310
2017-01-01	65.4430054092737
2017-04-01	66.5328398335315
2017-07-01	67.3448755805173
2017-10-01	67.0539316091139
2018-01-01	65.3545042557818
2018-04-01	67.2566787315434
2018-07-01	68.3571308487655