Quarter	Percent
1995-01-01	46.0060121800000
1995-04-01	46.1925268800000
1995-07-01	45.4473313700000
1995-10-01	46.1284422300000
1996-01-01	46.7817422400000
1996-04-01	46.2436979000000
1996-07-01	45.9137892600000
1996-10-01	46.4449146300000
1997-01-01	46.9163588300000
1997-04-01	46.5861012500000
1997-07-01	45.8243801200000
1997-10-01	46.5981505400000
1998-01-01	46.7421826700000
1998-04-01	46.9304261500000
1998-07-01	46.1086568300000
1998-10-01	46.6055217200000
1999-01-01	46.7165978800000
1999-04-01	46.7259573300000
1999-07-01	45.8055072700000
1999-10-01	45.5436336000000
2000-01-01	46.5832358000000
2000-04-01	45.6765824200000
2000-07-01	44.9258938300000
2000-10-01	45.7339540600000
2001-01-01	46.2485487100000
2001-04-01	45.9723795400000
2001-07-01	44.9930699900000
2001-10-01	45.7196977900000
2002-01-01	46.0447984900000
2002-04-01	46.4526163300000
2002-07-01	45.5044510400000
2002-10-01	45.5484578200000
2003-01-01	45.8038358900000
2003-04-01	46.2626304900000
2003-07-01	45.0990191800000
2003-10-01	44.9704632600000
2004-01-01	45.1150789600000
2004-04-01	45.2173913000000
2004-07-01	44.7448123400000
2004-10-01	45.1898785800000
2005-01-01	45.4753792500000
2005-04-01	45.0781597100000
2005-07-01	44.3988741500000
2005-10-01	44.2327703500000
2006-01-01	44.8368590900000
2006-04-01	44.1552774100000
2006-07-01	44.2103392400000
2006-10-01	44.3854682700000
2007-01-01	44.1458019300000
2007-04-01	43.4909743100000
2007-07-01	43.2526824300000
2007-10-01	44.0184641500000
2008-01-01	43.5833814200000
2008-04-01	43.5250627300000
2008-07-01	43.3910456900000
2008-10-01	43.4681905300000
2009-01-01	43.1242078600000
2009-04-01	43.0477958200000
2009-07-01	42.9176140000000
2009-10-01	43.2376709700000
2010-01-01	43.5450706800000
2010-04-01	42.7635182000000
2010-07-01	42.0336210800000
2010-10-01	42.3104758500000
2011-01-01	42.9724810300000
2011-04-01	42.4064036800000
2011-07-01	42.3395093700000
2011-10-01	42.7905653000000
2012-01-01	37.0666666666667
2012-04-01	36.6000000000000
2012-07-01	35.8000000000000
2012-10-01	36.2666666666667
2013-01-01	36.2333333333333
2013-04-01	36.4000000000000
2013-07-01	36.0333333333333
2013-10-01	36.5333333333333
2014-01-01	35.9666666666667
2014-04-01	35.8666666666667
2014-07-01	35.5000000000000
2014-10-01	35.8333333333333
2015-01-01	36.2666666666667
2015-04-01	36.0666666666667
2015-07-01	35.5000000000000
2015-10-01	35.8666666666667
2016-01-01	36.1666666666667
2016-04-01	35.9000000000000
2016-07-01	35.4333333333333
2016-10-01	35.9666666666667
2017-01-01	36.1333333333333
2017-04-01	35.9000000000000
2017-07-01	35.8000000000000
2017-10-01	36.1000000000000
2018-01-01	36.3333333333333
2018-04-01	36.0333333333333
2018-07-01	35.8666666666667
