Month	Percent
2004-01-31	10.19
2004-02-29	10.23
2004-03-31	10.24
2004-04-30	10.21
2004-05-31	10.21
2004-06-30	10.14
2004-07-31	9.95
2004-08-31	9.76
2004-09-30	9.76
2004-10-31	9.68
2004-11-30	9.65
2004-12-31	9.69
2005-01-31	9.6
2005-02-28	9.62
2005-03-31	9.72
2005-04-30	9.66
2005-05-31	9.54
2005-06-30	9.57
2005-07-31	9.5
2005-08-31	9.55
2005-09-30	9.48
2005-10-31	9.38
2005-11-30	9.38
2005-12-31	9.31
2006-01-31	9.27
2006-02-28	9.27
2006-03-31	9.23
2006-04-30	9.12
2006-05-31	9.12
2006-06-30	9.15
2006-07-31	9.06
2006-08-31	9.1
2006-09-30	9.1
2006-10-31	9.03
2006-11-30	9.05
2006-12-31	9.02
2007-01-31	8.98
2007-02-28	9.02
2007-03-31	9.05
2007-04-30	8.94
2007-05-31	9.03
2007-06-30	8.93
2007-07-31	9.03
2007-08-31	9.08
2007-09-30	9.1
2007-10-31	9.15
2007-11-30	9.13
2007-12-31	8.72
2008-01-31	8.78
2008-02-29	8.81
2008-03-31	8.82
2008-04-30	8.87
2008-05-31	8.95
2008-06-30	9.01
2008-07-31	9.06
2008-08-31	9.16
2008-09-30	9.23
2008-10-31	9.23
2008-11-30	9.19
2008-12-31	9.26
2009-01-31	9.33
2009-02-28	9.3
2009-03-31	9.32
2009-04-30	9.31
2009-05-31	9.34
2009-06-30	9.38
2009-07-31	9.38
2009-08-31	9.43
2009-09-30	9.5
2009-10-31	9.41
2009-11-30	9.42
2009-12-31	9.42
2010-01-31	9.64
2010-02-28	9.64
2010-03-31	9.73
2010-04-30	9.65
2010-05-31	9.76
2010-06-30	9.72
2010-07-31	9.7
2010-08-31	9.7
2010-09-30	9.6
2010-10-31	9.54
2010-11-30	9.94
2010-12-31	9.98
2011-01-31	9.9
2011-02-28	10.05
2011-03-31	9.98
2011-04-30	9.97
2011-05-31	9.94
2011-06-30	9.95
2011-07-31	9.93
2011-08-31	9.89
2011-09-30	9.95
2011-10-31	9.98
2011-11-30	9.75
2011-12-31	9.71
2012-01-31	10.09
2012-02-29	9.93
2012-03-31	10.12
2012-04-30	10.14
2012-05-31	10.08
2012-06-30	10.2
2012-07-31	10.2
2012-08-31	10.22
2012-09-30	10.19
2012-10-31	10.19
2012-11-30	10.14
2012-12-31	10.13
2013-01-31	10.13
2013-02-28	10.16
2013-03-31	10.08
2013-04-30	10.08
2013-05-31	10.11
2013-06-30	10.03
2013-07-31	9.95
2013-08-31	9.91
2013-09-30	9.91
2013-10-31	9.84
2013-11-30	9.84
2013-12-31	9.76
2014-01-31	9.69
2014-02-28	9.68
2014-03-31	9.56
2014-04-30	9.49
2014-05-31	9.44
2014-06-30	9.42
2014-07-31	9.32
2014-08-31	9.25
2014-09-30	9.39
2014-10-31	9.17
2014-11-30	9.14
2014-12-31	9.08
2015-01-31	9.11
2015-02-28	9.02
2015-03-31	8.94
2015-04-30	8.89
2015-05-31	8.77
2015-06-30	8.77
2015-07-31	8.56
2015-08-31	8.57
2015-09-30	8.51
2015-10-31	8.45
2015-11-30	8.41
2015-12-31	8.36
2016-01-31	8.26
2016-02-29	8.19
2016-03-31	8.11
2016-04-30	8.08
2016-05-31	8.01
2016-06-30	7.94
2016-07-31	7.9
2016-08-31	7.84
2016-09-30	7.8
2016-10-31	7.75
2016-11-30	7.71
2016-12-31	7.69
2017-01-31	7.65
2017-02-28	7.66
2017-03-31	7.6
2017-04-30	7.57
2017-05-31	7.53
2017-06-30	7.52
2017-07-31	7.48
2017-08-31	7.43
2017-09-30	7.47
2017-10-31	7.44
2017-11-30	7.42
2017-12-31	7.39
2018-01-31	7.37
2018-02-28	7.29
2018-03-31	7.25
2018-04-30	7.27
2018-05-31	7.22
2018-06-30	7.04
2018-07-31	6.97
2018-08-31	7.03
2018-09-30	6.99
2018-10-31	6.96
2018-11-30	7.01
2018-12-31	6.96
2019-01-31	6.87
2019-02-28	7.01
2019-03-31	6.89
2019-04-30	6.86
2019-05-31	6.82
2019-06-30	7.04
2019-07-31	7.09
2019-08-31	7.04
2019-09-30	7.06
2019-10-31	7.11
2019-11-30	7.09
2019-12-31	7.04
2020-01-31	7.03
2020-02-29	7.05
2020-03-31	6.99
2020-04-30	6.93
2020-05-31	6.82
2020-06-30	6.64
2020-07-31	6.43
2020-08-31	6.37
2020-09-30	6.37
2020-10-31	6.25
2020-11-30	6.22
2020-12-31	6.16
2021-01-31	6.1
2021-02-28	6.11
2021-03-31	6.06
2021-04-30	6.02
2021-05-31	6.08
2021-06-30	6.14
2021-07-31	6.12
2021-08-31	6.18
2021-09-30	6.27
2021-10-31	6.23
2021-11-30	6.35
2021-12-31	6.3
2022-01-31	6.38
2022-02-28	6.42
2022-03-31	6.44
2022-04-30	6.46
2022-05-31	6.44
2022-06-30	6.49
2022-07-31	6.51
2022-08-31	6.53
2022-09-30	6.6
2022-10-31	6.65
2022-11-30	6.7
2022-12-31	6.76
2023-01-31	6.86
2023-02-28	6.99
2023-03-31	7
2023-04-30	7.13
2023-05-31	7.18
2023-06-30	7.3
2023-07-31	7.36
2023-08-31	7.44
2023-09-30	7.55
2023-10-31	7.58
2023-11-30	7.68
2023-12-31	7.61