Month	Percent
1997-01-31	0
1997-02-28	0
1997-03-31	0
1997-04-30	0
1997-05-31	0
1997-06-30	0
1997-07-31	0
1997-08-31	0
1997-09-30	0
1997-10-31	0
1997-11-30	0
1997-12-31	0
1998-01-31	0
1998-02-28	0
1998-03-31	0
1998-04-30	7.25
1998-05-31	7.25
1998-06-30	7.25
1998-07-31	7.5
1998-08-31	7.65
1998-09-30	7.65
1998-10-31	7.66
1998-11-30	7.56
1998-12-31	7.06
1999-01-31	6.41
1999-02-28	6.17
1999-03-31	5.71
1999-04-30	5.59
1999-05-31	5.52
1999-06-30	5.43
1999-07-31	5.45
1999-08-31	5.33
1999-09-30	5.14
1999-10-31	5.2
1999-11-30	5.33
1999-12-31	5.39
2000-01-31	5.35
2000-02-29	5.62
2000-03-31	5.86
2000-04-30	5.81
2000-05-31	5.89
2000-06-30	5.97
2000-07-31	5.99
2000-08-31	5.98
2000-09-30	5.87
2000-10-31	5.84
2000-11-30	5.79
2000-12-31	5.76
2001-01-31	5.65
2001-02-28	5.45
2001-03-31	5.49
2001-04-30	5.39
2001-05-31	5.14
2001-06-30	5.15
2001-07-31	5.26
2001-08-31	4.91
2001-09-30	4.62
2001-10-31	4.55
2001-11-30	4.12
2001-12-31	4.15
2002-01-31	4.1
2002-02-28	3.83
2002-03-31	3.91
2002-04-30	3.95
2002-05-31	4.05
2002-06-30	4.06
2002-07-31	4.08
2002-08-31	4.07
2002-09-30	3.93
2002-10-31	3.99
2002-11-30	4.23
2002-12-31	4.22
2003-01-31	4.11
2003-02-28	3.93
2003-03-31	3.92
2003-04-30	3.91
2003-05-31	4
2003-06-30	3.75
2003-07-31	3.61
2003-08-31	3.55
2003-09-30	3.61
2003-10-31	3.65
2003-11-30	3.82
2003-12-31	3.88
2004-01-31	3.97
2004-02-29	4.14
2004-03-31	4.23
2004-04-30	4.23
2004-05-31	4.49
2004-06-30	4.65
2004-07-31	4.76
2004-08-31	4.89
2004-09-30	4.98
2004-10-31	4.97
2004-11-30	4.93
2004-12-31	4.91
2005-01-31	4.83
2005-02-28	4.82
2005-03-31	4.82
2005-04-30	4.88
2005-05-31	4.86
2005-06-30	4.87
2005-07-31	4.87
2005-08-31	4.71
2005-09-30	4.59
2005-10-31	4.56
2005-11-30	4.59
2005-12-31	4.61
2006-01-31	4.62
2006-02-28	4.59
2006-03-31	4.66
2006-04-30	4.66
2006-05-31	4.6
2006-06-30	4.59
2006-07-31	4.57
2006-08-31	4.74
2006-09-30	4.9
2006-10-31	4.88
2006-11-30	4.89
2006-12-31	5.11
2007-01-31	5.24
2007-02-28	5.39
2007-03-31	5.43
2007-04-30	5.4
2007-05-31	5.5
2007-06-30	5.63
2007-07-31	5.66
2007-08-31	5.68
2007-09-30	5.7
2007-10-31	5.81
2007-11-30	5.9
2007-12-31	5.75
2008-01-31	5.93
2008-02-29	5.73
2008-03-31	5.9
2008-04-30	6.13
2008-05-31	6.2
2008-06-30	6.04
2008-07-31	5.96
2008-08-31	5.95
2008-09-30	5.94
2008-10-31	5.94
2008-11-30	5.08
2008-12-31	4.7
2009-01-31	4.15
2009-02-28	4.11
2009-03-31	3.64
2009-04-30	3.59
2009-05-31	3.55
2009-06-30	3.47
2009-07-31	3.42
2009-08-31	3.25
2009-09-30	3.25
2009-10-31	3.3
2009-11-30	3.3
2009-12-31	3.31
2010-01-31	2.99
2010-02-28	3.01
2010-03-31	3
2010-04-30	3.01
2010-05-31	3.05
2010-06-30	3.06
2010-07-31	3.05
2010-08-31	2.96
2010-09-30	2.99
2010-10-31	3.02
2010-11-30	2.95
2010-12-31	2.96
2011-01-31	2.99
2011-02-28	2.96
2011-03-31	2.9
2011-04-30	2.9
2011-05-31	2.94
2011-06-30	2.76
2011-07-31	2.61
2011-08-31	2.69
2011-09-30	2.73
2011-10-31	2.83
2011-11-30	2.94
2011-12-31	3.02
2012-01-31	3.2
2012-02-29	3.24
2012-03-31	3.26
2012-04-30	3.41
2012-05-31	3.53
2012-06-30	3.53
2012-07-31	3.51
2012-08-31	3.54
2012-09-30	3.52
2012-10-31	3.49
2012-11-30	3.47
2012-12-31	3.44
2013-01-31	3.36
2013-02-28	3.09
2013-03-31	3.08
2013-04-30	2.98
2013-05-31	2.93
2013-06-30	2.91
2013-07-31	2.85
2013-08-31	2.8
2013-09-30	2.97
2013-10-31	2.91
2013-11-30	2.83
2013-12-31	2.77
2014-01-31	2.76
2014-02-28	2.82
2014-03-31	2.68
2014-04-30	2.73
2014-05-31	2.72
2014-06-30	2.71
2014-07-31	2.74
2014-08-31	2.74
2014-09-30	2.44
2014-10-31	1.88
2014-11-30	1.81
2014-12-31	1.6
2015-01-31	1.6
2015-02-28	1.61
2015-03-31	1.56
2015-04-30	1.55
2015-05-31	1.56
2015-06-30	1.66
2015-07-31	1.7
2015-08-31	1.72
2015-09-30	1.74
2015-10-31	1.78
2015-11-30	1.78
2015-12-31	1.78
2016-01-31	1.68
2016-02-29	1.68
2016-03-31	1.67
2016-04-30	1.67
2016-05-31	1.61
2016-06-30	1.62
2016-07-31	1.72
2016-08-31	1.52
2016-09-30	1.54
2016-10-31	1.52
2016-11-30	1.52
2016-12-31	1.48
2017-01-31	1.49
2017-02-28	1.48
2017-03-31	1.42
2017-04-30	1.39
2017-05-31	1.46
2017-06-30	1.42
2017-07-31	1.38
2017-08-31	1.39
2017-09-30	1.46
2017-10-31	1.46
2017-11-30	1.69
2017-12-31	1.69
2018-01-31	1.72
2018-02-28	1.61
2018-03-31	1.58
2018-04-30	1.64
2018-05-31	1.59
2018-06-30	1.56
2018-07-31	1.54
2018-08-31	1.7
2018-09-30	1.68
2018-10-31	1.72
2018-11-30	1.68
2018-12-31	1.7
2019-01-31	1.62
2019-02-28	1.61
2019-03-31	1.61
2019-04-30	1.62
2019-05-31	1.6
2019-06-30	1.6
2019-07-31	2.03
2019-08-31	2.03
2019-09-30	2.03
2019-10-31	1.95
2019-11-30	1.9
2019-12-31	1.94
2020-01-31	1.97
2020-02-29	2.31
2020-03-31	2.37
2020-04-30	1.87
2020-05-31	1.59
2020-06-30	1.66
2020-07-31	1.74
2020-08-31	1.6
2020-09-30	1.63
2020-10-31	2.08
2020-11-30	2.14
2020-12-31	2.19
2021-01-31	2.04
2021-02-28	1.95
2021-03-31	1.91
2021-04-30	2.14
2021-05-31	2.14
2021-06-30	2.24
2021-07-31	1.99
2021-08-31	1.93
2021-09-30	1.88
2021-10-31	1.79
2021-11-30	1.69
2021-12-31	1.65
2022-01-31	1.51
2022-02-28	1.75
2022-03-31	2.01
2022-04-30	2.32
2022-05-31	2.39
2022-06-30	2.45
2022-07-31	2.23
2022-08-31	2.33
2022-09-30	2.78
2022-10-31	3.24
2022-11-30	3.96
2022-12-31	4.14
2023-01-31	4.08
2023-02-28	4.45
2023-03-31	4.6
2023-04-30	4.55
2023-05-31	4.71
2023-06-30	4.97
2023-07-31	5.42
2023-08-31	5.66
2023-09-30	5.69
2023-10-31	5.61
2023-11-30	5.58
2023-12-31	5.57