Quarter	Percent
1995-01-01	37.1016172400000
1995-04-01	37.3281877800000
1995-07-01	36.5755078500000
1995-10-01	37.4185816300000
1996-01-01	38.1370372300000
1996-04-01	37.9126785100000
1996-07-01	37.3233709500000
1996-10-01	38.0880274600000
1997-01-01	39.0990267900000
1997-04-01	38.9337721900000
1997-07-01	37.3464738500000
1997-10-01	38.2642028700000
1998-01-01	39.3735908200000
1998-04-01	38.7744166800000
1998-07-01	38.4667505600000
1998-10-01	39.5548932900000
1999-01-01	39.6036294200000
1999-04-01	39.8652815300000
1999-07-01	38.8438707200000
1999-10-01	38.8281469000000
2000-01-01	40.0639836800000
2000-04-01	39.1763025800000
2000-07-01	38.3270797100000
2000-10-01	39.4402035600000
2001-01-01	40.2409312400000
2001-04-01	39.2706557800000
2001-07-01	37.9319570200000
2001-10-01	39.8254010500000
2002-01-01	39.9973543800000
2002-04-01	40.2780823700000
2002-07-01	39.3394703500000
2002-10-01	39.5826102000000
2003-01-01	39.9991352500000
2003-04-01	40.4511796100000
2003-07-01	39.4463964300000
2003-10-01	39.5624546900000
2004-01-01	39.7197452200000
2004-04-01	39.3344890300000
2004-07-01	38.7652034800000
2004-10-01	39.7653958900000
2005-01-01	40.1926444800000
2005-04-01	39.5316976000000
2005-07-01	38.3264462800000
2005-10-01	39.2967304100000
2006-01-01	39.4121740600000
2006-04-01	38.5988507200000
2006-07-01	38.7951318500000
2006-10-01	38.8927028200000
2007-01-01	38.5734963000000
2007-04-01	38.1545236200000
2007-07-01	37.6479024700000
2007-10-01	38.5820214900000
2008-01-01	37.9615369400000
2008-04-01	37.9162571300000
2008-07-01	37.8443957400000
2008-10-01	38.3908046000000
2009-01-01	38.3126816600000
2009-04-01	37.8912497100000
2009-07-01	38.0914467700000
2009-10-01	38.7330590100000
2010-01-01	38.7215780800000
2010-04-01	37.5673652700000
2010-07-01	36.9454274500000
2010-10-01	38.1206660000000
2011-01-01	38.3629446300000
2011-04-01	37.2503586000000
2011-07-01	41.7667301200000
2011-10-01	43.0612244900000
2012-01-01	31.3333333333333
2012-04-01	30.6333333333333
2012-07-01	30.1666666666667
2012-10-01	30.6333333333333
2013-01-01	30.5000000000000
2013-04-01	31.0333333333333
2013-07-01	30.1333333333333
2013-10-01	30.7333333333333
2014-01-01	30.6666666666667
2014-04-01	30.8666666666667
2014-07-01	30.2666666666667
2014-10-01	30.4333333333333
2015-01-01	31.1333333333333
2015-04-01	30.8000000000000
2015-07-01	30.1000000000000
2015-10-01	30.8000000000000
2016-01-01	31.4000000000000
2016-04-01	30.9000000000000
2016-07-01	30.1000000000000
2016-10-01	31.2000000000000
2017-01-01	31.3666666666667
2017-04-01	30.8000000000000
2017-07-01	30.6333333333333
2017-10-01	31.3666666666667
2018-01-01	31.8000000000000
2018-04-01	31.7000000000000
2018-07-01	31.4666666666667