Quarter	Percent
1995-01-01	50.2016906000000
1995-04-01	50.4345135300000
1995-07-01	50.5926020700000
1995-10-01	50.1422619700000
1996-01-01	49.8465099900000
1996-04-01	50.5490939900000
1996-07-01	50.2466351000000
1996-10-01	49.6432613300000
1997-01-01	49.2991168600000
1997-04-01	49.6474249900000
1997-07-01	49.4821217300000
1997-10-01	49.2094293500000
1998-01-01	48.8006282400000
1998-04-01	48.3848082100000
1998-07-01	49.1540558300000
1998-10-01	49.0419846400000
1999-01-01	48.7895932800000
1999-04-01	48.7143449600000
1999-07-01	48.9273625500000
1999-10-01	49.6495247600000
2000-01-01	49.0591518900000
2000-04-01	49.8143592000000
2000-07-01	49.7411283700000
2000-10-01	49.4164110900000
2001-01-01	49.3285723700000
2001-04-01	49.5730591600000
2001-07-01	49.3503118500000
2001-10-01	48.5050692000000
2002-01-01	48.4988650500000
2002-04-01	48.4233850300000
2002-07-01	48.4061042800000
2002-10-01	48.8267661800000
2003-01-01	48.5053463000000
2003-04-01	48.4864333400000
2003-07-01	48.5433456200000
2003-10-01	48.9791688300000
2004-01-01	49.0969140300000
2004-04-01	49.3185322200000
2004-07-01	49.3164981800000
2004-10-01	49.2156303500000
2005-01-01	49.7180984800000
2005-04-01	50.2787090500000
2005-07-01	50.2010454400000
2005-10-01	50.7604258400000
2006-01-01	50.5358352300000
2006-04-01	51.1772757000000
2006-07-01	50.8767426200000
2006-10-01	51.1284107900000
2007-01-01	51.7510717900000
2007-04-01	52.3490194500000
2007-07-01	52.4360193300000
2007-10-01	52.0781829400000
2008-01-01	53.0986728200000
2008-04-01	53.2685935400000
2008-07-01	52.9593471100000
2008-10-01	52.9246483000000
2009-01-01	52.8144337600000
2009-04-01	52.5921113700000
2009-07-01	52.6017116800000
2009-10-01	52.4878964700000
2010-01-01	52.5261611900000
2010-04-01	53.8811201600000
2010-07-01	53.7991821900000
2010-10-01	53.9189433700000
2011-01-01	53.8016543800000
2011-04-01	54.5909759900000
2011-07-01	54.1442584300000
2011-10-01	54.0965527100000
2012-01-01	58.7000000000000
2012-04-01	59.2333333333333
2012-07-01	59.7333333333333
2012-10-01	59.2333333333333
2013-01-01	59.6000000000000
2013-04-01	59.6333333333333
2013-07-01	59.9666666666667
2013-10-01	59.8000000000000
2014-01-01	60.3666666666667
2014-04-01	60.5333333333333
2014-07-01	60.3666666666667
2014-10-01	60.4333333333333
2015-01-01	60.4000000000000
2015-04-01	60.8666666666667
2015-07-01	60.9333333333333
2015-10-01	60.7333333333333
2016-01-01	60.6333333333333
2016-04-01	61.2333333333333
2016-07-01	61.3000000000000
2016-10-01	61.1000000000000
2017-01-01	61.1666666666667
2017-04-01	61.4000000000000
2017-07-01	61.4666666666667
2017-10-01	61.2000000000000
2018-01-01	61.4333333333333
2018-04-01	61.5333333333333
2018-07-01	61.4333333333333