Quarter	Percent
1995-01-01	34.6131011300000
1995-04-01	35.0422195400000
1995-07-01	36.4000000000000
1995-10-01	34.2817349800000
1996-01-01	33.5040378200000
1996-04-01	33.1897395700000
1996-07-01	36.1722861000000
1996-10-01	33.3074684800000
1997-01-01	32.8960061700000
1997-04-01	32.0069204200000
1997-07-01	37.5191131500000
1997-10-01	32.8457446800000
1998-01-01	32.2592802000000
1998-04-01	34.2782053700000
1998-07-01	34.5981308400000
1998-10-01	31.9627907000000
1999-01-01	30.9669070100000
1999-04-01	32.3572744000000
1999-07-01	33.4375000000000
1999-10-01	33.2479883000000
2000-01-01	31.0783778900000
2000-04-01	32.1175830200000
2000-07-01	35.3175321200000
2000-10-01	31.0189359800000
2001-01-01	29.6655879200000
2001-04-01	31.6403445800000
2001-07-01	35.7219634500000
2001-10-01	29.9928545900000
2002-01-01	29.2595896500000
2002-04-01	29.9448104000000
2002-07-01	30.7090812200000
2002-10-01	29.0248227000000
2003-01-01	26.9441984100000
2003-04-01	28.3769448400000
2003-07-01	31.8983768500000
2003-10-01	29.7958465300000
2004-01-01	28.1019332200000
2004-04-01	29.2105263200000
2004-07-01	32.9889686600000
2004-10-01	28.6213524400000
2005-01-01	28.4445218600000
2005-04-01	29.5498001000000
2005-07-01	33.3564614100000
2005-10-01	30.3633218000000
2006-01-01	30.3035529500000
2006-04-01	30.5283083800000
2006-07-01	31.3991416300000
2006-10-01	29.7482445600000
2007-01-01	29.4398907100000
2007-04-01	31.1584327100000
2007-07-01	32.6083262500000
2007-10-01	29.6729367900000
2008-01-01	30.0744249000000
2008-04-01	30.0405268500000
2008-07-01	31.3890762000000
2008-10-01	28.7950185100000
2009-01-01	28.2597751300000
2009-04-01	29.2609351400000
2009-07-01	30.0200803200000
2009-10-01	29.0441176500000
2010-01-01	28.1469115200000
2010-04-01	28.4263114100000
2010-07-01	31.2001329800000
2010-10-01	27.9860650300000
2011-01-01	28.0954748900000
2011-04-01	28.8620575600000
2011-07-01	29.1041082300000
2011-10-01	26.0905349800000
2012-01-01	49.7000000000000
2012-04-01	49.0333333333333
2012-07-01	52.2333333333333
2012-10-01	50.5333333333333
2013-01-01	50.8333333333333
2013-04-01	50.2000000000000
2013-07-01	52.3666666666667
2013-10-01	50.5333333333333
2014-01-01	49.1666666666667
2014-04-01	49.7666666666667
2014-07-01	53.2333333333333
2014-10-01	51.2333333333333
2015-01-01	48.7000000000000
2015-04-01	48.9666666666667
2015-07-01	52.6000000000000
2015-10-01	49.3000000000000
2016-01-01	48.2000000000000
2016-04-01	48.8666666666667
2016-07-01	50.4000000000000
2016-10-01	48.4000000000000
2017-01-01	47.2000000000000
2017-04-01	48.8333333333333
2017-07-01	50.7666666666667
2017-10-01	47.3666666666667
2018-01-01	46.3333333333333
2018-04-01	46.0333333333333
2018-07-01	48.3666666666667