Month	Percent
1999-01-31	8.19
1999-02-28	7.72
1999-03-31	7.75
1999-04-30	7.47
1999-05-31	7.49
1999-06-30	7.44
1999-07-31	7.24
1999-08-31	7.16
1999-09-30	7.3
1999-10-31	7.15
1999-11-30	7.33
1999-12-31	7.39
2000-01-31	7.26
2000-02-29	7.32
2000-03-31	7.4
2000-04-30	7.35
2000-05-31	7.45
2000-06-30	7.32
2000-07-31	7.25
2000-08-31	7.23
2000-09-30	7.18
2000-10-31	7.04
2000-11-30	6.85
2000-12-31	7.04
2001-01-31	7.09
2001-02-28	7.04
2001-03-31	6.85
2001-04-30	6.68
2001-05-31	6.59
2001-06-30	6.52
2001-07-31	6.49
2001-08-31	6.46
2001-09-30	6.36
2001-10-31	6.26
2001-11-30	6.07
2001-12-31	6
2002-01-31	5.93
2002-02-28	5.81
2002-03-31	5.75
2002-04-30	5.71
2002-05-31	5.7
2002-06-30	5.67
2002-07-31	5.61
2002-08-31	5.51
2002-09-30	5.39
2002-10-31	5.33
2002-11-30	5.26
2002-12-31	5.15
2003-01-31	5.05
2003-02-28	4.76
2003-03-31	4.61
2003-04-30	4.43
2003-05-31	4.34
2003-06-30	4.29
2003-07-31	4.24
2003-08-31	4.22
2003-09-30	4.2
2003-10-31	4.18
2003-11-30	4.2
2003-12-31	4.23
2004-01-31	4.67
2004-02-29	4.73
2004-03-31	4.61
2004-04-30	4.38
2004-05-31	4.53
2004-06-30	4.87
2004-07-31	4.61
2004-08-31	4.64
2004-09-30	4.7
2004-10-31	4.56
2004-11-30	4.73
2004-12-31	4.69
2005-01-31	4.67
2005-02-28	4.7
2005-03-31	4.7
2005-04-30	4.68
2005-05-31	4.7
2005-06-30	4.66
2005-07-31	4.65
2005-08-31	4.54
2005-09-30	4.46
2005-10-31	4.49
2005-11-30	4.5
2005-12-31	4.49
2006-01-31	4.52
2006-02-28	4.41
2006-03-31	4.41
2006-04-30	4.46
2006-05-31	4.47
2006-06-30	4.44
2006-07-31	4.47
2006-08-31	4.5
2006-09-30	4.51
2006-10-31	4.52
2006-11-30	4.57
2006-12-31	4.52
2007-01-31	4.64
2007-02-28	4.69
2007-03-31	4.54
2007-04-30	4.68
2007-05-31	4.78
2007-06-30	4.72
2007-07-31	4.86
2007-08-31	4.88
2007-09-30	4.84
2007-10-31	4.92
2007-11-30	4.89
2007-12-31	4.78
2008-01-31	4.77
2008-02-29	4.66
2008-03-31	4.59
2008-04-30	4.37
2008-05-31	4.53
2008-06-30	4.62
2008-07-31	4.68
2008-08-31	4.62
2008-09-30	4.6
2008-10-31	4.61
2008-11-30	4.43
2008-12-31	4.2
2009-01-31	4.07
2009-02-28	4
2009-03-31	3.96
2009-04-30	3.96
2009-05-31	3.97
2009-06-30	3.94
2009-07-31	3.92
2009-08-31	3.91
2009-09-30	3.87
2009-10-31	3.86
2009-11-30	3.9
2009-12-31	3.82
2010-01-31	3.74
2010-02-28	3.69
2010-03-31	3.7
2010-04-30	3.76
2010-05-31	3.72
2010-06-30	3.75
2010-07-31	3.76
2010-08-31	3.75
2010-09-30	3.76
2010-10-31	3.83
2010-11-30	3.81
2010-12-31	3.76
2011-01-31	3.65
2011-02-28	3.71
2011-03-31	3.88
2011-04-30	3.84
2011-05-31	3.82
2011-06-30	3.78
2011-07-31	3.8
2011-08-31	3.82
2011-09-30	3.9
2011-10-31	3.88
2011-11-30	3.85
2011-12-31	3.91
2012-01-31	4.19
2012-02-29	4.07
2012-03-31	4.17
2012-04-30	4.21
2012-05-31	4.18
2012-06-30	4.21
2012-07-31	4.16
2012-08-31	4.2
2012-09-30	4.17
2012-10-31	4.19
2012-11-30	4.2
2012-12-31	4.29
2013-01-31	4.25
2013-02-28	4.26
2013-03-31	4.29
2013-04-30	4.32
2013-05-31	4.32
2013-06-30	4.3
2013-07-31	4.33
2013-08-31	4.33
2013-09-30	4.29
2013-10-31	4.27
2013-11-30	4.24
2013-12-31	4.34
2014-01-31	4.34
2014-02-28	4.35
2014-03-31	4.39
2014-04-30	4.35
2014-05-31	4.28
2014-06-30	4.27
2014-07-31	4.3
2014-08-31	4.35
2014-09-30	4.26
2014-10-31	4.25
2014-11-30	4.04
2014-12-31	3.95
2015-01-31	4.11
2015-02-28	3.98
2015-03-31	3.98
2015-04-30	3.94
2015-05-31	4.03
2015-06-30	4.13
2015-07-31	4.12
2015-08-31	4.16
2015-09-30	4.16
2015-10-31	4.15
2015-11-30	4.16
2015-12-31	4.14
2016-01-31	4.07
2016-02-29	4.14
2016-03-31	4.36
2016-04-30	4.27
2016-05-31	4.38
2016-06-30	4.29
2016-07-31	4.35
2016-08-31	4.35
2016-09-30	4.34
2016-10-31	4.5
2016-11-30	4.45
2016-12-31	4.38
2017-01-31	4.39
2017-02-28	4.39
2017-03-31	4.38
2017-04-30	4.42
2017-05-31	4.39
2017-06-30	4.38
2017-07-31	3.5
2017-08-31	3.37
2017-09-30	3.39
2017-10-31	3.37
2017-11-30	3.45
2017-12-31	3.53
2018-01-31	3.52
2018-02-28	3.52
2018-03-31	3.55
2018-04-30	4.43
2018-05-31	4.43
2018-06-30	4.42
2018-07-31	4.5
2018-08-31	4.46
2018-09-30	4.4
2018-10-31	4.4
2018-11-30	4.4
2018-12-31	4.22
2019-01-31	4.3
2019-02-28	4.32
2019-03-31	4.33
2019-04-30	4.33
2019-05-31	4.17
2019-06-30	4.11
2019-07-31	4.21
2019-08-31	4.18
2019-09-30	3.97
2019-10-31	4.25
2019-11-30	4.22
2019-12-31	4.16
2020-01-31	4.22
2020-02-29	4.23
2020-03-31	4.17
2020-04-30	4.09
2020-05-31	4.11
2020-06-30	4.11
2020-07-31	3.98
2020-08-31	3.96
2020-09-30	3.86
2020-10-31	3.83
2020-11-30	3.86
2020-12-31	3.91
2021-01-31	3.92
2021-02-28	3.87
2021-03-31	3.91
2021-04-30	4.08
2021-05-31	4.11
2021-06-30	4.13
2021-07-31	4.14
2021-08-31	4.11
2021-09-30	4.12
2021-10-31	4.1
2021-11-30	4.1
2021-12-31	4.16
2022-01-31	4.11
2022-02-28	4.15
2022-03-31	4.16
2022-04-30	4.18
2022-05-31	4.17
2022-06-30	4.18
2022-07-31	4.2
2022-08-31	4.22
2022-09-30	4.24
2022-10-31	4.24
2022-11-30	4.31
2022-12-31	4.33
2023-01-31	4.33
2023-02-28	4.36
2023-03-31	4.36
2023-04-30	4.3
2023-05-31	4.27
2023-06-30	4.29
2023-07-31	4.28
2023-08-31	4.31
2023-09-30	4.29
2023-10-31	4.29
2023-11-30	4.3
2023-12-31	4.32