Month	Percent
1999-01-31	7.41
1999-02-28	7.21
1999-03-31	6.89
1999-04-30	6.87
1999-05-31	6.72
1999-06-30	6.63
1999-07-31	6.64
1999-08-31	6.61
1999-09-30	6.6
1999-10-31	6.66
1999-11-30	6.72
1999-12-31	6.89
2000-01-31	6.99
2000-02-29	7.06
2000-03-31	7.12
2000-04-30	7.16
2000-05-31	7.13
2000-06-30	7.14
2000-07-31	7.12
2000-08-31	7.11
2000-09-30	7.11
2000-10-31	7.07
2000-11-30	7.07
2000-12-31	7.03
2001-01-31	7.01
2001-02-28	6.98
2001-03-31	6.82
2001-04-30	6.79
2001-05-31	6.61
2001-06-30	6.44
2001-07-31	6.42
2001-08-31	6.4
2001-09-30	6.23
2001-10-31	6.08
2001-11-30	5.87
2001-12-31	5.59
2002-01-31	5.54
2002-02-28	5.54
2002-03-31	5.46
2002-04-30	5.42
2002-05-31	5.44
2002-06-30	5.45
2002-07-31	5.32
2002-08-31	5.32
2002-09-30	5.3
2002-10-31	5.31
2002-11-30	5.3
2002-12-31	5.28
2003-01-31	5.23
2003-02-28	5.21
2003-03-31	5.08
2003-04-30	5.03
2003-05-31	5
2003-06-30	5
2003-07-31	4.94
2003-08-31	4.82
2003-09-30	4.79
2003-10-31	4.78
2003-11-30	4.77
2003-12-31	4.87
2004-01-31	4.9
2004-02-29	4.99
2004-03-31	5.06
2004-04-30	5.03
2004-05-31	5.06
2004-06-30	5.22
2004-07-31	5.39
2004-08-31	5.43
2004-09-30	5.57
2004-10-31	5.57
2004-11-30	5.58
2004-12-31	5.57
2005-01-31	5.54
2005-02-28	5.53
2005-03-31	5.52
2005-04-30	5.5
2005-05-31	5.49
2005-06-30	5.52
2005-07-31	5.53
2005-08-31	5.52
2005-09-30	5.38
2005-10-31	5.36
2005-11-30	5.36
2005-12-31	5.33
2006-01-31	5.33
2006-02-28	5.34
2006-03-31	5.31
2006-04-30	5.32
2006-05-31	5.31
2006-06-30	5.3
2006-07-31	5.29
2006-08-31	5.29
2006-09-30	5.41
2006-10-31	5.4
2006-11-30	5.42
2006-12-31	5.53
2007-01-31	5.54
2007-02-28	5.66
2007-03-31	5.67
2007-04-30	5.65
2007-05-31	5.66
2007-06-30	5.8
2007-07-31	5.82
2007-08-31	5.91
2007-09-30	5.92
2007-10-31	5.94
2007-11-30	5.94
2007-12-31	5.97
2008-01-31	5.88
2008-02-29	5.89
2008-03-31	5.8
2008-04-30	5.8
2008-05-31	5.73
2008-06-30	5.76
2008-07-31	5.79
2008-08-31	5.79
2008-09-30	5.81
2008-10-31	5.82
2008-11-30	5.54
2008-12-31	4.8
2009-01-31	4.32
2009-02-28	4.1
2009-03-31	3.83
2009-04-30	3.62
2009-05-31	3.59
2009-06-30	3.59
2009-07-31	3.57
2009-08-31	3.58
2009-09-30	3.58
2009-10-31	3.56
2009-11-30	3.57
2009-12-31	3.59
2010-01-31	3.67
2010-02-28	3.67
2010-03-31	3.66
2010-04-30	3.67
2010-05-31	3.66
2010-06-30	3.65
2010-07-31	3.63
2010-08-31	3.55
2010-09-30	3.53
2010-10-31	3.51
2010-11-30	3.51
2010-12-31	3.5
2011-01-31	3.5
2011-02-28	3.5
2011-03-31	3.49
2011-04-30	3.49
2011-05-31	3.47
2011-06-30	3.45
2011-07-31	3.43
2011-08-31	3.41
2011-09-30	3.36
2011-10-31	3.38
2011-11-30	3.36
2011-12-31	3.36
2012-01-31	3.38
2012-02-29	3.36
2012-03-31	3.36
2012-04-30	3.37
2012-05-31	3.39
2012-06-30	3.38
2012-07-31	3.38
2012-08-31	3.37
2012-09-30	3.37
2012-10-31	3.38
2012-11-30	3.38
2012-12-31	3.38
2013-01-31	3.37
2013-02-28	3.37
2013-03-31	3.36
2013-04-30	3.35
2013-05-31	3.35
2013-06-30	3.33
2013-07-31	3.33
2013-08-31	3.32
2013-09-30	3.3
2013-10-31	3.28
2013-11-30	3.29
2013-12-31	3.27
2014-01-31	3.26
2014-02-28	3.25
2014-03-31	3.24
2014-04-30	3.23
2014-05-31	3.24
2014-06-30	3.23
2014-07-31	3.22
2014-08-31	3.22
2014-09-30	3.2
2014-10-31	3.19
2014-11-30	3.19
2014-12-31	3.18
2015-01-31	3.17
2015-02-28	3.15
2015-03-31	3.14
2015-04-30	3.12
2015-05-31	3.11
2015-06-30	3.09
2015-07-31	3.07
2015-08-31	3.06
2015-09-30	3.04
2015-10-31	3.03
2015-11-30	3.01
2015-12-31	2.99
2016-01-31	2.96
2016-02-29	2.95
2016-03-31	2.94
2016-04-30	2.92
2016-05-31	2.9
2016-06-30	2.89
2016-07-31	2.88
2016-08-31	2.84
2016-09-30	2.74
2016-10-31	2.71
2016-11-30	2.68
2016-12-31	2.67
2017-01-31	2.64
2017-02-28	2.63
2017-03-31	2.61
2017-04-30	2.61
2017-05-31	2.58
2017-06-30	2.57
2017-07-31	2.55
2017-08-31	2.53
2017-09-30	2.52
2017-10-31	2.5
2017-11-30	2.5
2017-12-31	2.55
2018-01-31	2.53
2018-02-28	2.52
2018-03-31	2.51
2018-04-30	2.49
2018-05-31	2.48
2018-06-30	2.48
2018-07-31	2.46
2018-08-31	2.45
2018-09-30	2.53
2018-10-31	2.5
2018-11-30	2.5
2018-12-31	2.48
2019-01-31	2.48
2019-02-28	2.46
2019-03-31	2.45
2019-04-30	2.45
2019-05-31	2.43
2019-06-30	2.43
2019-07-31	2.42
2019-08-31	2.42
2019-09-30	2.4
2019-10-31	2.39
2019-11-30	2.4
2019-12-31	2.37
2020-01-31	2.37
2020-02-29	2.37
2020-03-31	2.33
2020-04-30	2.21
2020-05-31	2.17
2020-06-30	2.17
2020-07-31	2.16
2020-08-31	2.14
2020-09-30	2.13
2020-10-31	2.12
2020-11-30	2.12
2020-12-31	2.12
2021-01-31	2.09
2021-02-28	2.09
2021-03-31	2.09
2021-04-30	2.07
2021-05-31	2.07
2021-06-30	2.08
2021-07-31	2.05
2021-08-31	2.06
2021-09-30	2.05
2021-10-31	2.03
2021-11-30	2.02
2021-12-31	2.01
2022-01-31	2.01
2022-02-28	2.02
2022-03-31	2.05
2022-04-30	2.05
2022-05-31	2.08
2022-06-30	2.12
2022-07-31	2.13
2022-08-31	2.18
2022-09-30	2.25
2022-10-31	2.29
2022-11-30	2.39
2022-12-31	2.51
2023-01-31	2.55
2023-02-28	2.65
2023-03-31	2.75
2023-04-30	2.76
2023-05-31	2.83
2023-06-30	2.93
2023-07-31	2.98
2023-08-31	3.07
2023-09-30	3.16
2023-10-31	3.22
2023-11-30	3.28
2023-12-31	3.37