Month	Percent
2004-01-31	10.33
2004-02-29	10.31
2004-03-31	10.22
2004-04-30	10.23
2004-05-31	10.15
2004-06-30	9.95
2004-07-31	9.82
2004-08-31	9.67
2004-09-30	9.61
2004-10-31	9.57
2004-11-30	9.5
2004-12-31	9.49
2005-01-31	9.44
2005-02-28	9.45
2005-03-31	9.61
2005-04-30	9.53
2005-05-31	9.38
2005-06-30	9.42
2005-07-31	9.33
2005-08-31	9.45
2005-09-30	9.37
2005-10-31	9.22
2005-11-30	9.24
2005-12-31	9.17
2006-01-31	9.11
2006-02-28	9.16
2006-03-31	9.15
2006-04-30	9
2006-05-31	8.99
2006-06-30	9.04
2006-07-31	8.93
2006-08-31	8.98
2006-09-30	9
2006-10-31	8.92
2006-11-30	8.96
2006-12-31	8.93
2007-01-31	8.93
2007-02-28	8.93
2007-03-31	9
2007-04-30	8.9
2007-05-31	9.05
2007-06-30	8.89
2007-07-31	9.01
2007-08-31	9.08
2007-09-30	9.12
2007-10-31	9.2
2007-11-30	9.18
2007-12-31	9.06
2008-01-31	9.16
2008-02-29	9.17
2008-03-31	9.2
2008-04-30	9.23
2008-05-31	9.32
2008-06-30	9.37
2008-07-31	9.43
2008-08-31	9.54
2008-09-30	9.61
2008-10-31	9.64
2008-11-30	9.65
2008-12-31	9.76
2009-01-31	9.84
2009-02-28	9.8
2009-03-31	9.85
2009-04-30	9.78
2009-05-31	9.88
2009-06-30	9.94
2009-07-31	9.96
2009-08-31	10
2009-09-30	10.12
2009-10-31	10.06
2009-11-30	9.93
2009-12-31	10.01
2010-01-31	10.21
2010-02-28	10.17
2010-03-31	10.31
2010-04-30	10.18
2010-05-31	10.3
2010-06-30	10.21
2010-07-31	10.17
2010-08-31	10.18
2010-09-30	10.03
2010-10-31	9.92
2010-11-30	10.52
2010-12-31	10.59
2011-01-31	10.54
2011-02-28	10.68
2011-03-31	10.61
2011-04-30	10.69
2011-05-31	10.7
2011-06-30	10.71
2011-07-31	10.67
2011-08-31	10.62
2011-09-30	10.72
2011-10-31	10.78
2011-11-30	10.45
2011-12-31	10.39
2012-01-31	10.8
2012-02-29	10.58
2012-03-31	10.88
2012-04-30	10.85
2012-05-31	10.75
2012-06-30	10.9
2012-07-31	10.93
2012-08-31	10.96
2012-09-30	10.9
2012-10-31	10.94
2012-11-30	10.87
2012-12-31	10.88
2013-01-31	10.84
2013-02-28	10.88
2013-03-31	10.8
2013-04-30	10.76
2013-05-31	10.79
2013-06-30	10.65
2013-07-31	10.53
2013-08-31	10.49
2013-09-30	10.48
2013-10-31	10.41
2013-11-30	10.41
2013-12-31	10.33
2014-01-31	10.27
2014-02-28	10.23
2014-03-31	10.06
2014-04-30	9.97
2014-05-31	9.9
2014-06-30	9.86
2014-07-31	9.76
2014-08-31	9.68
2014-09-30	9.75
2014-10-31	9.55
2014-11-30	9.51
2014-12-31	9.45
2015-01-31	9.42
2015-02-28	9.34
2015-03-31	9.24
2015-04-30	9.17
2015-05-31	9.06
2015-06-30	9.03
2015-07-31	8.62
2015-08-31	8.61
2015-09-30	8.53
2015-10-31	8.47
2015-11-30	8.42
2015-12-31	8.37
2016-01-31	8.13
2016-02-29	8.09
2016-03-31	8.01
2016-04-30	7.97
2016-05-31	7.91
2016-06-30	7.82
2016-07-31	7.79
2016-08-31	7.72
2016-09-30	7.69
2016-10-31	7.62
2016-11-30	7.6
2016-12-31	7.54
2017-01-31	7.49
2017-02-28	7.51
2017-03-31	7.45
2017-04-30	7.4
2017-05-31	7.37
2017-06-30	7.36
2017-07-31	7.32
2017-08-31	7.27
2017-09-30	7.33
2017-10-31	7.28
2017-11-30	7.26
2017-12-31	7.22
2018-01-31	7.25
2018-02-28	7.17
2018-03-31	7.12
2018-04-30	7.14
2018-05-31	7.07
2018-06-30	6.9
2018-07-31	6.8
2018-08-31	6.85
2018-09-30	6.83
2018-10-31	6.77
2018-11-30	6.85
2018-12-31	6.78
2019-01-31	6.66
2019-02-28	6.82
2019-03-31	6.68
2019-04-30	6.65
2019-05-31	6.6
2019-06-30	6.84
2019-07-31	6.93
2019-08-31	6.85
2019-09-30	6.86
2019-10-31	6.94
2019-11-30	6.89
2019-12-31	6.83
2020-01-31	6.79
2020-02-29	6.81
2020-03-31	6.72
2020-04-30	6.63
2020-05-31	6.57
2020-06-30	6.42
2020-07-31	6.18
2020-08-31	6.17
2020-09-30	6.21
2020-10-31	6.08
2020-11-30	6.06
2020-12-31	6.01
2021-01-31	5.97
2021-02-28	6
2021-03-31	5.93
2021-04-30	5.92
2021-05-31	5.98
2021-06-30	6.01
2021-07-31	6
2021-08-31	6.07
2021-09-30	6.14
2021-10-31	6.1
2021-11-30	6.2
2021-12-31	6.16
2022-01-31	6.21
2022-02-28	6.25
2022-03-31	6.27
2022-04-30	6.28
2022-05-31	6.26
2022-06-30	6.31
2022-07-31	6.34
2022-08-31	6.34
2022-09-30	6.42
2022-10-31	6.44
2022-11-30	6.51
2022-12-31	6.55
2023-01-31	6.66
2023-02-28	6.81
2023-03-31	6.81
2023-04-30	6.95
2023-05-31	6.99
2023-06-30	7.13
2023-07-31	7.19
2023-08-31	7.29
2023-09-30	7.42
2023-10-31	7.46
2023-11-30	7.58
2023-12-31	7.55