Month	Percent
1996-01-31	6.27
1996-02-29	6.22
1996-03-31	5.98
1996-04-30	5.98
1996-05-31	5.96
1996-06-30	5.7
1996-07-31	5.73
1996-08-31	5.7
1996-09-30	5.77
1996-10-31	6.03
1996-11-30	5.9
1996-12-31	6
1997-01-31	5.98
1997-02-28	5.97
1997-03-31	6.19
1997-04-30	6.345
1997-05-31	6.695
1997-06-30	6.965
1997-07-31	6.975
1997-08-31	6.96
1997-09-30	7.075
1997-10-31	7.09
1997-11-30	7.175
1997-12-31	7.205
1998-01-31	7.215
1998-02-28	7.195
1998-03-31	7.235
1998-04-30	7.15
1998-05-31	7.13
1998-06-30	7.275
1998-07-31	7.385
1998-08-31	7.275
1998-09-30	7.355
1998-10-31	7.075
1998-11-30	6.625
1998-12-31	5.8
1999-01-31	5.895
1999-02-28	5.445
1999-03-31	5.105
1999-04-30	5.11
1999-05-31	5.155
1999-06-30	4.75
1999-07-31	4.925
1999-08-31	4.795
1999-09-30	5.225
1999-10-31	5.155
1999-11-30	5.385
1999-12-31	4.8
2000-01-31	5.695
2000-02-29	5.925
2000-03-31	5.775
2000-04-30	5.855
2000-05-31	5.875
2000-06-30	5.655
2000-07-31	5.775
2000-08-31	5.785
2000-09-30	5.875
2000-10-31	5.835
2000-11-30	5.825
2000-12-31	5.25
2001-01-31	5.855
2001-02-28	5.625
2001-03-31	5.6
2001-04-30	5.425
2001-05-31	5.2
2001-06-30	4.95
2001-07-31	5.175
2001-08-31	4.55
2001-09-30	4.725
2001-10-31	4.2
2001-11-30	3.95
2001-12-31	3.95
2002-01-31	3.875
2002-02-28	3.85
2002-03-31	3.7
2002-04-30	3.85
2002-05-31	3.95
2002-06-30	3.85
2002-07-31	3.85
2002-08-31	3.9
2002-09-30	3.8
2002-10-31	3.7
2002-11-30	3.9
2002-12-31	3.95
2003-01-31	3.85
2003-02-28	3.6
2003-03-31	3.65
2003-04-30	3.5
2003-05-31	3.65
2003-06-30	3.65
2003-07-31	3.3
2003-08-31	3.45
2003-09-30	3.475
2003-10-31	3.45
2003-11-30	3.7
2003-12-31	3.7
2004-01-31	3.67
2004-02-29	3.9
2004-03-31	3.8
2004-04-30	3.95
2004-05-31	4.225
2004-06-30	4.425
2004-07-31	4.45
2004-08-31	4.725
2004-09-30	4.7
2004-10-31	4.705
2004-11-30	4.725
2004-12-31	4.725
2005-01-31	4.745
2005-02-28	4.725
2005-03-31	4.735
2005-04-30	4.725
2005-05-31	4.725
2005-06-30	4.72
2005-07-31	4.625
2005-08-31	4.48
2005-09-30	4.455
2005-10-31	4.445
2005-11-30	4.475
2005-12-31	4.505
2006-01-31	4.465
2006-02-28	4.435
2006-03-31	4.475
2006-04-30	4.475
2006-05-31	4.545
2006-06-30	4.505
2006-07-31	4.525
2006-08-31	4.76
2006-09-30	4.81
2006-10-31	4.865
2006-11-30	5.045
2006-12-31	5.06
2007-01-31	5.255
2007-02-28	5.255
2007-03-31	5.295
2007-04-30	5.275
2007-05-31	5.52
2007-06-30	5.8
2007-07-31	5.755
2007-08-31	5.875
2007-09-30	5.775
2007-10-31	5.725
2007-11-30	5.735
2007-12-31	5.525
2008-01-31	5.385
2008-02-29	5.255
2008-03-31	5.15
2008-04-30	5.045
2008-05-31	5.07
2008-06-30	5.115
2008-07-31	5.1
2008-08-31	5.08
2008-09-30	4.925
2008-10-31	4.15
2008-11-30	2.25
2008-12-31	1.675
2009-01-31	1.275
2009-02-28	0.725
2009-03-31	0.625
2009-04-30	0.475
2009-05-31	0.51
2009-06-30	0.5
2009-07-31	0.385
2009-08-31	0.435
2009-09-30	0.455
2009-10-31	0.445
2009-11-30	0.46
2009-12-31	0.485
2010-01-31	0.485
2010-02-28	0.505
2010-03-31	0.505
2010-04-30	0.495
2010-05-31	0.495
2010-06-30	0.525
2010-07-31	0.53
2010-08-31	0.52
2010-09-30	0.535
2010-10-31	0.55
2010-11-30	0.535
2010-12-31	0.555
2011-01-31	0.535
2011-02-28	0.515
2011-03-31	0.535
2011-04-30	0.54
2011-05-31	0.53
2011-06-30	0.535
2011-07-31	0.53
2011-08-31	0.525
2011-09-30	0.505
2011-10-31	0.505
2011-11-30	0.455
2011-12-31	0.325
2012-01-31	0.465
2012-02-29	0.455
2012-03-31	0.445
2012-04-30	0.415
2012-05-31	0.465
2012-06-30	0.475
2012-07-31	0.445
2012-08-31	0.44
2012-09-30	0.455
2012-10-31	0.395
2012-11-30	0.44
2012-12-31	0.365
2013-01-31	0.425
2013-02-28	0.415
2013-03-31	0.455
2013-04-30	0.435
2013-05-31	0.45
2013-06-30	0.43
2013-07-31	0.445
2013-08-31	0.395
2013-09-30	0.415
2013-10-31	0.43
2013-11-30	0.405
2013-12-31	0.335
2014-01-31	0.425
2014-02-28	0.415
2014-03-31	0.39
2014-04-30	0.345
2014-05-31	0.435
2014-06-30	0.355
2014-07-31	0.43
2014-08-31	0.405
2014-09-30	0.48
2014-10-31	0.48
2014-11-30	0.49
2014-12-31	0.395
2015-01-31	0.49
2015-02-28	0.47
2015-03-31	0.485
2015-04-30	0.5
2015-05-31	0.5
2015-06-30	0.525
2015-07-31	0.52
2015-08-31	0.505
2015-09-30	0.505
2015-10-31	0.505
2015-11-30	0.515
2015-12-31	0.44
2016-01-31	0.535
2016-02-29	0.525
2016-03-31	0.55
2016-04-30	0.53
2016-05-31	0.53
2016-06-30	0.52
2016-07-31	0.405
2016-08-31	0.285
2016-09-30	0.27
2016-10-31	0.265
2016-11-30	0.265
2016-12-31	0.245
2017-01-31	0.265
2017-02-28	0.25
2017-03-31	0.225
2017-04-30	0.235
2017-05-31	0.235
2017-06-30	0.235
2017-07-31	0.25
2017-08-31	0.21
2017-09-30	0.22
2017-10-31	0.41
2017-11-30	0.475
2017-12-31	0.42
2018-01-31	0.475
2018-02-28	0.46
2018-03-31	0.465
2018-04-30	0.485
2018-05-31	0.48
2018-06-30	0.49