Month	Percent
1999-01-31	8.11
1999-02-28	7.69
1999-03-31	7.38
1999-04-30	7.14
1999-05-31	7.12
1999-06-30	7.05
1999-07-31	7.12
1999-08-31	6.98
1999-09-30	7.06
1999-10-31	7.13
1999-11-30	7.2
1999-12-31	7.27
2000-01-31	7.44
2000-02-29	7.64
2000-03-31	7.74
2000-04-30	7.77
2000-05-31	7.77
2000-06-30	7.71
2000-07-31	7.77
2000-08-31	7.77
2000-09-30	7.72
2000-10-31	7.65
2000-11-30	7.66
2000-12-31	7.63
2001-01-31	7.6
2001-02-28	7.47
2001-03-31	7.36
2001-04-30	7.31
2001-05-31	7.14
2001-06-30	7.03
2001-07-31	7.01
2001-08-31	6.86
2001-09-30	6.7
2001-10-31	6.5
2001-11-30	6.16
2001-12-31	6
2002-01-31	5.91
2002-02-28	5.86
2002-03-31	5.88
2002-04-30	5.88
2002-05-31	5.89
2002-06-30	5.88
2002-07-31	5.85
2002-08-31	5.86
2002-09-30	5.86
2002-10-31	5.86
2002-11-30	5.85
2002-12-31	5.87
2003-01-31	5.83
2003-02-28	5.7
2003-03-31	5.62
2003-04-30	5.65
2003-05-31	5.57
2003-06-30	5.6
2003-07-31	5.52
2003-08-31	5.43
2003-09-30	5.45
2003-10-31	5.48
2003-11-30	5.58
2003-12-31	5.64
2004-01-31	5.44
2004-02-29	5.61
2004-03-31	5.77
2004-04-30	5.78
2004-05-31	5.92
2004-06-30	5.97
2004-07-31	6.22
2004-08-31	6.34
2004-09-30	6.4
2004-10-31	6.25
2004-11-30	6.24
2004-12-31	6.28
2005-01-31	6.26
2005-02-28	6.2
2005-03-31	6.27
2005-04-30	6.29
2005-05-31	6.28
2005-06-30	6.24
2005-07-31	6.18
2005-08-31	6.07
2005-09-30	6.01
2005-10-31	5.96
2005-11-30	5.96
2005-12-31	6.1
2006-01-31	6.11
2006-02-28	6.09
2006-03-31	6.06
2006-04-30	6.08
2006-05-31	6.09
2006-06-30	6.09
2006-07-31	6.14
2006-08-31	6.26
2006-09-30	6.29
2006-10-31	6.35
2006-11-30	6.48
2006-12-31	6.55
2007-01-31	6.6
2007-02-28	6.7
2007-03-31	6.68
2007-04-30	6.8
2007-05-31	6.83
2007-06-30	6.88
2007-07-31	7.08
2007-08-31	7.15
2007-09-30	7.31
2007-10-31	7.29
2007-11-30	7.29
2007-12-31	7.25
2008-01-31	7.15
2008-02-29	6.95
2008-03-31	6.93
2008-04-30	6.9
2008-05-31	6.86
2008-06-30	6.85
2008-07-31	6.81
2008-08-31	6.8
2008-09-30	6.84
2008-10-31	6.89
2008-11-30	6.14
2008-12-31	5.17
2009-01-31	4.41
2009-02-28	3.68
2009-03-31	3.36
2009-04-30	3.09
2009-05-31	2.98
2009-06-30	2.91
2009-07-31	2.8
2009-08-31	2.78
2009-09-30	2.75
2009-10-31	2.68
2009-11-30	2.64
2009-12-31	2.65
2010-01-31	2.77
2010-02-28	2.78
2010-03-31	2.81
2010-04-30	2.86
2010-05-31	2.85
2010-06-30	2.88
2010-07-31	2.88
2010-08-31	2.88
2010-09-30	2.9
2010-10-31	2.9
2010-11-30	2.9
2010-12-31	2.91
2011-01-31	2.9
2011-02-28	2.92
2011-03-31	2.93
2011-04-30	2.92
2011-05-31	2.97
2011-06-30	2.96
2011-07-31	2.98
2011-08-31	3.01
2011-09-30	3
2011-10-31	3.03
2011-11-30	3.05
2011-12-31	3.07
2012-01-31	3.22
2012-02-29	3.25
2012-03-31	3.24
2012-04-30	3.24
2012-05-31	3.23
2012-06-30	3.24
2012-07-31	3.21
2012-08-31	3.18
2012-09-30	3.15
2012-10-31	3.09
2012-11-30	3.09
2012-12-31	3.08
2013-01-31	3.12
2013-02-28	3.09
2013-03-31	3.1
2013-04-30	3.12
2013-05-31	3.11
2013-06-30	3.1
2013-07-31	3.11
2013-08-31	3.12
2013-09-30	3.13
2013-10-31	3.12
2013-11-30	3.12
2013-12-31	3.1
2014-01-31	3.11
2014-02-28	3.11
2014-03-31	3.1
2014-04-30	3.13
2014-05-31	3.15
2014-06-30	3.13
2014-07-31	3.14
2014-08-31	3.14
2014-09-30	3.15
2014-10-31	3.15
2014-11-30	3.14
2014-12-31	3.15
2015-01-31	3.16
2015-02-28	3.15
2015-03-31	3.15
2015-04-30	3.13
2015-05-31	3.14
2015-06-30	3.14
2015-07-31	3.13
2015-08-31	3.14
2015-09-30	3.12
2015-10-31	3.12
2015-11-30	3.12
2015-12-31	3.13
2016-01-31	3.16
2016-02-29	3.15
2016-03-31	3.13
2016-04-30	3.13
2016-05-31	3.13
2016-06-30	3.14
2016-07-31	3.13
2016-08-31	3.03
2016-09-30	2.99
2016-10-31	2.96
2016-11-30	2.96
2016-12-31	2.94
2017-01-31	2.93
2017-02-28	2.94
2017-03-31	2.92
2017-04-30	2.9
2017-05-31	2.89
2017-06-30	2.87
2017-07-31	2.78
2017-08-31	2.79
2017-09-30	2.81
2017-10-31	2.82
2017-11-30	2.91
2017-12-31	2.96
2018-01-31	3.05
2018-02-28	3.06
2018-03-31	3.09
2018-04-30	3.18
2018-05-31	3.19
2018-06-30	3.22
2018-07-31	3.2
2018-08-31	3.26
2018-09-30	3.3
2018-10-31	3.3
2018-11-30	3.27
2018-12-31	3.31
2019-01-31	3.35
2019-02-28	3.34
2019-03-31	3.34
2019-04-30	3.34
2019-05-31	3.32
2019-06-30	3.31
2019-07-31	3.3
2019-08-31	3.27
2019-09-30	3.27
2019-10-31	3.26
2019-11-30	3.24
2019-12-31	3.28
2020-01-31	3.29
2020-02-29	3.3
2020-03-31	3.21
2020-04-30	2.98
2020-05-31	2.86
2020-06-30	2.79
2020-07-31	2.66
2020-08-31	2.53
2020-09-30	2.52
2020-10-31	2.46
2020-11-30	2.45
2020-12-31	2.45
2021-01-31	2.41
2021-02-28	2.43
2021-03-31	2.44
2021-04-30	2.42
2021-05-31	2.5
2021-06-30	2.55
2021-07-31	2.55
2021-08-31	2.65
2021-09-30	2.65
2021-10-31	2.66
2021-11-30	2.7
2021-12-31	2.75
2022-01-31	2.81
2022-02-28	2.95
2022-03-31	3.05
2022-04-30	3.15
2022-05-31	3.35
2022-06-30	3.48
2022-07-31	3.56
2022-08-31	3.87
2022-09-30	4.08
2022-10-31	4.33
2022-11-30	4.82
2022-12-31	5.14
2023-01-31	5.3
2023-02-28	5.65
2023-03-31	5.79
2023-04-30	5.91
2023-05-31	6.04
2023-06-30	6.32
2023-07-31	6.51
2023-08-31	6.71
2023-09-30	6.81
2023-10-31	6.78
2023-11-30	6.8
2023-12-31	6.82