Month	Percent
1996-01-31	6.105
1996-02-29	6.02
1996-03-31	5.93
1996-04-30	5.9
1996-05-31	5.93
1996-06-30	5.63
1996-07-31	5.63
1996-08-31	5.65
1996-09-30	5.73
1996-10-31	6
1996-11-30	6.2
1996-12-31	6.22
1997-01-31	6.06
1997-02-28	5.93
1997-03-31	6.07
1997-04-30	6.29
1997-05-31	6.345
1997-06-30	6.6
1997-07-31	6.815
1997-08-31	7.055
1997-09-30	7.045
1997-10-31	7.055
1997-11-30	7.34
1997-12-31	7.305
1998-01-31	7.26
1998-02-28	7.255
1998-03-31	7.255
1998-04-30	7.155
1998-05-31	7.19
1998-06-30	7.515
1998-07-31	7.435
1998-08-31	7.345
1998-09-30	7.025
1998-10-31	6.755
1998-11-30	6.385
1998-12-31	5.685
1999-01-31	5.455
1999-02-28	5.115
1999-03-31	4.895
1999-04-30	5.01
1999-05-31	4.995
1999-06-30	4.79
1999-07-31	4.925
1999-08-31	4.905
1999-09-30	5.295
1999-10-31	5.345
1999-11-30	5.435
1999-12-31	5.535
2000-01-31	5.88
2000-02-29	6.005
2000-03-31	5.975
2000-04-30	6.035
2000-05-31	5.925
2000-06-30	5.895
2000-07-31	5.94
2000-08-31	5.925
2000-09-30	5.825
2000-10-31	5.775
2000-11-30	5.715
2000-12-31	5.665
2001-01-31	5.525
2001-02-28	5.42
2001-03-31	5.275
2001-04-30	5.105
2001-05-31	5.025
2001-06-30	5.075
2001-07-31	5.065
2001-08-31	4.755
2001-09-30	4.325
2001-10-31	4.005
2001-11-30	3.815
2001-12-31	3.88
2002-01-31	3.875
2002-02-28	3.875
2002-03-31	3.995
2002-04-30	3.955
2002-05-31	3.99
2002-06-30	3.975
2002-07-31	3.83
2002-08-31	3.845
2002-09-30	3.775
2002-10-31	3.775
2002-11-30	3.835
2002-12-31	3.855
2003-01-31	3.775
2003-02-28	3.495
2003-03-31	3.495
2003-04-30	3.445
2003-05-31	3.445
2003-06-30	3.455
2003-07-31	3.295
2003-08-31	3.475
2003-09-30	3.545
2003-10-31	3.755
2003-11-30	3.815
2003-12-31	3.855
2004-01-31	3.945
2004-02-29	4.025
2004-03-31	4.205
2004-04-30	4.225
2004-05-31	4.435
2004-06-30	4.635
2004-07-31	4.785
2004-08-31	4.775
2004-09-30	4.725
2004-10-31	4.715
2004-11-30	4.695
2004-12-31	4.725
2005-01-31	4.705
2005-02-28	4.805
2005-03-31	4.805
2005-04-30	4.755
2005-05-31	4.715
2005-06-30	4.645
2005-07-31	4.475
2005-08-31	4.445
2005-09-30	4.445
2005-10-31	4.46
2005-11-30	4.445
2005-12-31	4.445
2006-01-31	4.435
2006-02-28	4.415
2006-03-31	4.425
2006-04-30	4.495
2006-05-31	4.545
2006-06-30	4.535
2006-07-31	4.6
2006-08-31	4.83
2006-09-30	5.035
2006-10-31	5.04
2006-11-30	5.085
2006-12-31	5.15
2007-01-31	5.41
2007-02-28	5.365
2007-03-31	5.455
2007-04-30	5.555
2007-05-31	5.665
2007-06-30	5.815
2007-07-31	5.875
2007-08-31	5.875
2007-09-30	5.715
2007-10-31	5.685
2007-11-30	5.615
2007-12-31	5.395
2008-01-31	5.165
2008-02-29	5.15
2008-03-31	5.025
2008-04-30	4.975
2008-05-31	5.14
2008-06-30	5.2
2008-07-31	5.215
2008-08-31	5.135
2008-09-30	4.835
2008-10-31	3.65
2008-11-30	1.875
2008-12-31	1.355
2009-01-31	1.025
2009-02-28	0.675
2009-03-31	0.695
2009-04-30	0.605
2009-05-31	0.56
2009-06-30	0.535
2009-07-31	0.445
2009-08-31	0.425
2009-09-30	0.425
2009-10-31	0.445
2009-11-30	0.46
2009-12-31	0.485
2010-01-31	0.5
2010-02-28	0.515
2010-03-31	0.525
2010-04-30	0.525
2010-05-31	0.525
2010-06-30	0.535
2010-07-31	0.545
2010-08-31	0.53
2010-09-30	0.535
2010-10-31	0.55
2010-11-30	0.555
2010-12-31	0.575
2011-01-31	0.575
2011-02-28	0.595
2011-03-31	0.625
2011-04-30	0.585
2011-05-31	0.56
2011-06-30	0.555
2011-07-31	0.545
2011-08-31	0.535
2011-09-30	0.525
2011-10-31	0.525
2011-11-30	0.495
2011-12-31	0.445
2012-01-31	0.465
2012-02-29	0.455
2012-03-31	0.465
2012-04-30	0.465
2012-05-31	0.455
2012-06-30	0.455
2012-07-31	0.435
2012-08-31	0.425
2012-09-30	0.455
2012-10-31	0.415
2012-11-30	0.435
2012-12-31	0.445
2013-01-31	0.435
2013-02-28	0.415
2013-03-31	0.455
2013-04-30	0.445
2013-05-31	0.445
2013-06-30	0.455
2013-07-31	0.445
2013-08-31	0.425
2013-09-30	0.435
2013-10-31	0.44
2013-11-30	0.425
2013-12-31	0.43
2014-01-31	0.425
2014-02-28	0.425
2014-03-31	0.435
2014-04-30	0.42
2014-05-31	0.435
2014-06-30	0.47
2014-07-31	0.465
2014-08-31	0.49
2014-09-30	0.495
2014-10-31	0.485
2014-11-30	0.505
2014-12-31	0.455
2015-01-31	0.49
2015-02-28	0.495
2015-03-31	0.505
2015-04-30	0.525
2015-05-31	0.535
2015-06-30	0.55
2015-07-31	0.555
2015-08-31	0.56
2015-09-30	0.555
2015-10-31	0.57
2015-11-30	0.575
2015-12-31	0.61
2016-01-31	0.585
2016-02-29	0.57
2016-03-31	0.585
2016-04-30	0.565
2016-05-31	0.555
2016-06-30	0.515
2016-07-31	0.385
2016-08-31	0.3
2016-09-30	0.275
2016-10-31	0.31
2016-11-30	0.305
2016-12-31	0.315
2017-01-31	0.32
2017-02-28	0.3
2017-03-31	0.275
2017-04-30	0.265
2017-05-31	0.275
2017-06-30	0.295
2017-07-31	0.285
2017-08-31	0.26
2017-09-30	0.375
2017-10-31	0.46
2017-11-30	0.495
2017-12-31	0.485
2018-01-31	0.495
2018-02-28	0.535
2018-03-31	0.595
2018-04-30	0.56
2018-05-31	0.53
2018-06-30	0.595