Quarter	Percent
1995-01-01	47.7487855110505
1995-04-01	46.9702767739276
1995-07-01	46.9326950341984
1995-10-01	46.7812378347217
1996-01-01	46.6106508973037
1996-04-01	47.2556076690557
1996-07-01	47.4242854288613
1996-10-01	47.3111536587731
1997-01-01	47.4890420496528
1997-04-01	48.3532114365647
1997-07-01	48.2829822946209
1997-10-01	48.5043897037986
1998-01-01	48.2174859119162
1998-04-01	47.9975237063706
1998-07-01	49.0988863756213
1998-10-01	49.2936741205190
1999-01-01	48.8560669220680
1999-04-01	49.7729325112785
1999-07-01	49.9134860439906
1999-10-01	50.3027727602646
2000-01-01	50.4635177407430
2000-04-01	50.8820798498919
2000-07-01	50.9564984024037
2000-10-01	51.2349197121324
2001-01-01	50.7591387533114
2001-04-01	51.2216239736906
2001-07-01	51.0491090706219
2001-10-01	51.6405551828289
2002-01-01	52.3088779011027
2002-04-01	52.6857754295268
2002-07-01	53.1819777703073
2002-10-01	55.2984797025348
2003-01-01	56.0271010688455
2003-04-01	56.4370110728771
2003-07-01	56.3635056978865
2003-10-01	57.4816281198320
2004-01-01	57.0124268317124
2004-04-01	57.2985873057447
2004-07-01	56.8292343732202
2004-10-01	58.0691057307566
2005-01-01	57.6073291516634
2005-04-01	58.1723626309925
2005-07-01	57.8729966640927
2005-10-01	58.0085238085866
2006-01-01	57.6330128230047
2006-04-01	58.5233738237975
2006-07-01	59.0121209308288
2006-10-01	59.2255246687016
2007-01-01	59.3457659371009
2007-04-01	60.1511657515298
2007-07-01	60.0039198630222
2007-10-01	60.6215952951899
2008-01-01	60.5464523826745
2008-04-01	60.7676864040873
2008-07-01	59.8215566280418
2008-10-01	60.7324212130212
2009-01-01	61.0918471124277
2009-04-01	61.9547388881471
2009-07-01	61.5932511652426
2009-10-01	61.6556671723025
2010-01-01	60.9598948007348
2010-04-01	61.9236691080769
2010-07-01	62.5380679479564
2010-10-01	63.1907288369309
2011-01-01	62.5681289461307
2011-04-01	63.2154326354112
2011-07-01	62.0888732362677
2011-10-01	62.3070967297980
2012-01-01	62.9072668770771
2012-04-01	63.6076364576972
2012-07-01	63.0906845247592
2012-10-01	63.7350107300220
2013-01-01	64.0917483754020
2013-04-01	64.8202637486006
2013-07-01	64.2223425486941
2013-10-01	64.4169622320173
2014-01-01	64.2772022028127
2014-04-01	65.3555064199646
2014-07-01	64.1564949404738
2014-10-01	63.7958898425004
2015-01-01	64.2108040926523
2015-04-01	65.2183562890787
2015-07-01	64.7900059767766
2015-10-01	65.0048036569567
2016-01-01	65.2751230498838
2016-04-01	66.0731158085560
2016-07-01	65.7948947795592
2016-10-01	66.1233972249808
2017-01-01	65.6944794733748
2017-04-01	65.7964513907282
2017-07-01	65.8093255568858
2017-10-01	66.7237577875364
2018-01-01	66.0037034422774
2018-04-01	66.4003318778419
2018-07-01	66.5854796025005