Quarter	Percent
1995-01-01	47.6368491300000
1995-04-01	48.4654390200000
1995-07-01	47.2325705200000
1995-10-01	47.3015873000000
1996-01-01	46.6175309300000
1996-04-01	47.8181343100000
1996-07-01	47.2012496700000
1996-10-01	45.8193114200000
1997-01-01	46.1994331400000
1997-04-01	47.2179289000000
1997-07-01	44.6934569800000
1997-10-01	43.9588688900000
1998-01-01	44.6819338400000
1998-04-01	44.6867867100000
1998-07-01	45.6796361800000
1998-10-01	45.5893440600000
1999-01-01	45.6783919600000
1999-04-01	46.0789210800000
1999-07-01	45.2363276400000
1999-10-01	46.7289719600000
2000-01-01	47.5633528300000
2000-04-01	48.4235860400000
2000-07-01	46.1465044100000
2000-10-01	44.4786729900000
2001-01-01	47.9001399900000
2001-04-01	48.9988492500000
2001-07-01	47.9855138100000
2001-10-01	48.5452103800000
2002-01-01	48.3245149900000
2002-04-01	48.6086956500000
2002-07-01	49.8078565300000
2002-10-01	49.8104465000000
2003-01-01	50.6157378400000
2003-04-01	49.7008458800000
2003-07-01	50.1427406200000
2003-10-01	51.1196288100000
2004-01-01	51.0431154400000
2004-04-01	51.2295888300000
2004-07-01	52.3019898600000
2004-10-01	51.5414258200000
2005-01-01	51.8047112500000
2005-04-01	51.9475655400000
2005-07-01	52.7541589600000
2005-10-01	53.0871003300000
2006-01-01	52.6751936600000
2006-04-01	54.9280767200000
2006-07-01	55.9866573000000
2006-10-01	55.7762044600000
2007-01-01	56.1627511100000
2007-04-01	57.5717144800000
2007-07-01	57.2559366800000
2007-10-01	57.6351461700000
2008-01-01	59.6008369500000
2008-04-01	58.9099526100000
2008-07-01	57.5066395900000
2008-10-01	57.6994434100000
2009-01-01	58.5354829000000
2009-04-01	59.1444328500000
2009-07-01	59.3372606800000
2009-10-01	58.1090909100000
2010-01-01	57.8863438700000
2010-04-01	60.5504587200000
2010-07-01	61.1537368600000
2010-10-01	59.6422031300000
2011-01-01	60.6026629300000
2011-04-01	61.7449664400000
2011-07-01	61.3240418100000
2011-10-01	61.3468763000000
2012-01-01	63.1666666666667
2012-04-01	63.6666666666667
2012-07-01	62.3000000000000
2012-10-01	63.3000000000000
2013-01-01	65.2000000000000
2013-04-01	65.2666666666667
2013-07-01	63.6333333333333
2013-10-01	64.4333333333333
2014-01-01	65.9666666666667
2014-04-01	65.0000000000000
2014-07-01	64.5000000000000
2014-10-01	65.0666666666667
2015-01-01	66.2333333333333
2015-04-01	66.3666666666666
2015-07-01	66.9666666666667
2015-10-01	65.4000000000000
2016-01-01	66.1333333333334
2016-04-01	67.0333333333333
2016-07-01	66.3333333333333
2016-10-01	66.6666666666667
2017-01-01	66.3000000000000
2017-04-01	66.1333333333334
2017-07-01	66.7000000000000
2017-10-01	67.8666666666666
2018-01-01	67.4333333333333
2018-04-01	67.0666666666667
2018-07-01	67.2333333333333