Month	Percent
1999-01-31	7.91
1999-02-28	7.54
1999-03-31	7.52
1999-04-30	7.32
1999-05-31	7.48
1999-06-30	7.53
1999-07-31	7.54
1999-08-31	7.42
1999-09-30	7.52
1999-10-31	7.49
1999-11-30	7.6
1999-12-31	7.83
2000-01-31	8.03
2000-02-29	8.1
2000-03-31	8.03
2000-04-30	8.19
2000-05-31	8.23
2000-06-30	8.27
2000-07-31	8.2
2000-08-31	8.22
2000-09-30	8.22
2000-10-31	8.05
2000-11-30	7.91
2000-12-31	8.01
2001-01-31	7.92
2001-02-28	7.94
2001-03-31	7.8
2001-04-30	7.8
2001-05-31	7.7
2001-06-30	6.93
2001-07-31	6.87
2001-08-31	6.79
2001-09-30	6.72
2001-10-31	6.54
2001-11-30	6.45
2001-12-31	6.18
2002-01-31	6.12
2002-02-28	6.06
2002-03-31	6.04
2002-04-30	5.99
2002-05-31	6
2002-06-30	5.9
2002-07-31	5.81
2002-08-31	5.83
2002-09-30	5.95
2002-10-31	5.97
2002-11-30	5.95
2002-12-31	5.94
2003-01-31	5.89
2003-02-28	5.82
2003-03-31	5.74
2003-04-30	5.66
2003-05-31	5.62
2003-06-30	5.63
2003-07-31	5.48
2003-08-31	5.43
2003-09-30	5.06
2003-10-31	5.39
2003-11-30	5.5
2003-12-31	5.55
2004-01-31	5.57
2004-02-29	5.57
2004-03-31	5.58
2004-04-30	5.65
2004-05-31	5.67
2004-06-30	5.84
2004-07-31	5.89
2004-08-31	5.97
2004-09-30	5.96
2004-10-31	6
2004-11-30	6.05
2004-12-31	6.03
2005-01-31	6
2005-02-28	6.02
2005-03-31	6
2005-04-30	5.99
2005-05-31	6.01
2005-06-30	5.95
2005-07-31	5.94
2005-08-31	5.86
2005-09-30	5.8
2005-10-31	5.9
2005-11-30	5.89
2005-12-31	5.86
2006-01-31	6.01
2006-02-28	6.09
2006-03-31	6.1
2006-04-30	6.07
2006-05-31	6.1
2006-06-30	6.11
2006-07-31	6.1
2006-08-31	5.97
2006-09-30	5.99
2006-10-31	6.01
2006-11-30	5.94
2006-12-31	5.96
2007-01-31	6.09
2007-02-28	6.11
2007-03-31	6.11
2007-04-30	6.14
2007-05-31	6.26
2007-06-30	6.26
2007-07-31	6.36
2007-08-31	6.41
2007-09-30	6.45
2007-10-31	6.54
2007-11-30	6.47
2007-12-31	6.4
2008-01-31	6.31
2008-02-29	6.22
2008-03-31	6.06
2008-04-30	6.02
2008-05-31	6.05
2008-06-30	6.03
2008-07-31	6.09
2008-08-31	6.02
2008-09-30	5.98
2008-10-31	6.1
2008-11-30	5.5
2008-12-31	4.62
2009-01-31	4.07
2009-02-28	3.62
2009-03-31	3.33
2009-04-30	3.18
2009-05-31	3.15
2009-06-30	3.1
2009-07-31	2.97
2009-08-31	3.04
2009-09-30	3.12
2009-10-31	3.12
2009-11-30	3.17
2009-12-31	3.19
2010-01-31	3.2
2010-02-28	3.25
2010-03-31	3.18
2010-04-30	3.26
2010-05-31	3.27
2010-06-30	3.3
2010-07-31	3.28
2010-08-31	3.29
2010-09-30	3.32
2010-10-31	3.31
2010-11-30	3.41
2010-12-31	3.44
2011-01-31	3.42
2011-02-28	3.46
2011-03-31	3.47
2011-04-30	3.55
2011-05-31	3.52
2011-06-30	3.5
2011-07-31	3.5
2011-08-31	3.5
2011-09-30	3.46
2011-10-31	3.48
2011-11-30	3.51
2011-12-31	3.5
2012-01-31	3.61
2012-02-29	3.65
2012-03-31	3.64
2012-04-30	3.64
2012-05-31	3.62
2012-06-30	3.49
2012-07-31	3.64
2012-08-31	3.59
2012-09-30	3.58
2012-10-31	3.59
2012-11-30	3.56
2012-12-31	3.56
2013-01-31	3.57
2013-02-28	3.56
2013-03-31	3.53
2013-04-30	3.55
2013-05-31	3.54
2013-06-30	3.54
2013-07-31	3.53
2013-08-31	3.54
2013-09-30	3.53
2013-10-31	3.58
2013-11-30	3.59
2013-12-31	3.64
2014-01-31	3.66
2014-02-28	3.65
2014-03-31	3.61
2014-04-30	3.59
2014-05-31	3.61
2014-06-30	3.62
2014-07-31	3.63
2014-08-31	3.63
2014-09-30	3.67
2014-10-31	3.66
2014-11-30	3.65
2014-12-31	3.64
2015-01-31	3.63
2015-02-28	3.62
2015-03-31	3.62
2015-04-30	3.61
2015-05-31	3.62
2015-06-30	3.57
2015-07-31	3.6
2015-08-31	3.58
2015-09-30	3.57
2015-10-31	3.6
2015-11-30	3.65
2015-12-31	3.61
2016-01-31	3.6
2016-02-29	3.59
2016-03-31	3.61
2016-04-30	3.59
2016-05-31	3.61
2016-06-30	3.61
2016-07-31	3.56
2016-08-31	3.5
2016-09-30	3.48
2016-10-31	3.46
2016-11-30	3.45
2016-12-31	3.43
2017-01-31	3.41
2017-02-28	3.42
2017-03-31	3.4
2017-04-30	3.36
2017-05-31	3.35
2017-06-30	3.37
2017-07-31	3.35
2017-08-31	3.36
2017-09-30	3.35
2017-10-31	3.36
2017-11-30	3.45
2017-12-31	3.46
2018-01-31	3.53
2018-02-28	3.53
2018-03-31	3.48
2018-04-30	3.54
2018-05-31	3.53
2018-06-30	3.51
2018-07-31	3.54
2018-08-31	3.55
2018-09-30	3.56
2018-10-31	3.62
2018-11-30	3.63
2018-12-31	3.61
2019-01-31	3.65
2019-02-28	3.69
2019-03-31	3.68
2019-04-30	3.71
2019-05-31	3.7
2019-06-30	3.72
2019-07-31	3.77
2019-08-31	3.67
2019-09-30	3.59
2019-10-31	3.67
2019-11-30	3.65
2019-12-31	3.66
2020-01-31	3.67
2020-02-29	3.67
2020-03-31	3.55
2020-04-30	3.35
2020-05-31	3.34
2020-06-30	3.27
2020-07-31	3.2
2020-08-31	3.13
2020-09-30	3.11
2020-10-31	3.09
2020-11-30	3.11
2020-12-31	3.08
2021-01-31	3.02
2021-02-28	3.07
2021-03-31	3.03
2021-04-30	3.05
2021-05-31	3.08
2021-06-30	3.1
2021-07-31	3.13
2021-08-31	3.15
2021-09-30	3.11
2021-10-31	3.11
2021-11-30	3.1
2021-12-31	3.2
2022-01-31	3.3
2022-02-28	3.35
2022-03-31	3.38
2022-04-30	3.44
2022-05-31	3.61
2022-06-30	3.86
2022-07-31	3.96
2022-08-31	4.16
2022-09-30	4.28
2022-10-31	4.43
2022-11-30	4.77
2022-12-31	4.9
2023-01-31	5.09
2023-02-28	5.34
2023-03-31	5.41
2023-04-30	5.51
2023-05-31	5.61
2023-06-30	5.74
2023-07-31	5.93
2023-08-31	6.05
2023-09-30	6.1
2023-10-31	6.08
2023-11-30	6.1
2023-12-31	6.11