Month	Percent
1999-01-31	4.45
1999-02-28	4
1999-03-31	3.91
1999-04-30	3.6
1999-05-31	3.47
1999-06-30	2.78
1999-07-31	2.77
1999-08-31	3.36
1999-09-30	3.65
1999-10-31	3.31
1999-11-30	3.5
1999-12-31	3.42
2000-01-31	3.71
2000-02-29	4.1
2000-03-31	4.05
2000-04-30	3.82
2000-05-31	4.37
2000-06-30	4.09
2000-07-31	4.06
2000-08-31	4
2000-09-30	4.11
2000-10-31	3.91
2000-11-30	3.98
2000-12-31	3.85
2001-01-31	3.8
2001-02-28	3.82
2001-03-31	3.6
2001-04-30	3.46
2001-05-31	3.4
2001-06-30	3.35
2001-07-31	3.23
2001-08-31	3.18
2001-09-30	3.16
2001-10-31	2.79
2001-11-30	2.47
2001-12-31	2.45
2002-01-31	2.26
2002-02-28	2.33
2002-03-31	2.38
2002-04-30	2.3
2002-05-31	2.23
2002-06-30	2.05
2002-07-31	2.2
2002-08-31	2.19
2002-09-30	2.14
2002-10-31	2.21
2002-11-30	2.23
2002-12-31	2.23
2003-01-31	2.15
2003-02-28	2.26
2003-03-31	2.17
2003-04-30	1.98
2003-05-31	2.05
2003-06-30	2.07
2003-07-31	2.75
2003-08-31	2.7
2003-09-30	2.7
2003-10-31	2.72
2003-11-30	2.86
2003-12-31	2.96
2004-01-31	2.85
2004-02-29	3.4
2004-03-31	3.2
2004-04-30	3.32
2004-05-31	3.46
2004-06-30	3.67
2004-07-31	3.88
2004-08-31	4.07
2004-09-30	4.11
2004-10-31	4.21
2004-11-30	4.04
2004-12-31	4.2
2005-01-31	4.23
2005-02-28	4.25
2005-03-31	4.31
2005-04-30	4.28
2005-05-31	4.26
2005-06-30	4.28
2005-07-31	4.33
2005-08-31	4.17
2005-09-30	4.1
2005-10-31	4.16
2005-11-30	4.06
2005-12-31	4.11
2006-01-31	3.99
2006-02-28	3.93
2006-03-31	3.95
2006-04-30	4.08
2006-05-31	4.09
2006-06-30	4.1
2006-07-31	4.15
2006-08-31	4.45
2006-09-30	4.41
2006-10-31	4.45
2006-11-30	4.55
2006-12-31	4.73
2007-01-31	4.82
2007-02-28	4.87
2007-03-31	4.82
2007-04-30	5
2007-05-31	5.02
2007-06-30	5.08
2007-07-31	5.38
2007-08-31	5.38
2007-09-30	5.4
2007-10-31	5.37
2007-11-30	5.28
2007-12-31	5.23
2008-01-31	5.21
2008-02-29	4.91
2008-03-31	4.86
2008-04-30	4.71
2008-05-31	4.56
2008-06-30	4.56
2008-07-31	4.58
2008-08-31	4.61
2008-09-30	4.64
2008-10-31	4.35
2008-11-30	3.22
2008-12-31	1.93
2009-01-31	2.35
2009-02-28	2
2009-03-31	1.76
2009-04-30	1.71
2009-05-31	1.89
2009-06-30	1.9
2009-07-31	1.92
2009-08-31	1.92
2009-09-30	1.8
2009-10-31	1.82
2009-11-30	1.75
2009-12-31	1.75
2010-01-31	1.69
2010-02-28	1.67
2010-03-31	1.69
2010-04-30	1.67
2010-05-31	1.66
2010-06-30	1.64
2010-07-31	1.66
2010-08-31	0.63
2010-09-30	0.63
2010-10-31	0.63
2010-11-30	0.63
2010-12-31	0.7
2011-01-31	0.66
2011-02-28	0.68
2011-03-31	0.62
2011-04-30	0.59
2011-05-31	0.64
2011-06-30	0.65
2011-07-31	0.67
2011-08-31	0.65
2011-09-30	0.63
2011-10-31	0.64
2011-11-30	0.64
2011-12-31	0.76
2012-01-31	0.65
2012-02-29	0.67
2012-03-31	0.65
2012-04-30	0.62
2012-05-31	0.61
2012-06-30	0.71
2012-07-31	0.65
2012-08-31	0.7
2012-09-30	0.62
2012-10-31	0.62
2012-11-30	0.64
2012-12-31	0.67
2013-01-31	0.62
2013-02-28	0.58
2013-03-31	0.61
2013-04-30	0.57
2013-05-31	0.54
2013-06-30	0.67
2013-07-31	0.59
2013-08-31	0.6
2013-09-30	0.48
2013-10-31	0.52
2013-11-30	0.58
2013-12-31	0.57
2014-01-31	0.55
2014-02-28	0.49
2014-03-31	0.47
2014-04-30	0.49
2014-05-31	0.39
2014-06-30	0.38
2014-07-31	0.37
2014-08-31	0.35
2014-09-30	0.44
2014-10-31	0.35
2014-11-30	0.34
2014-12-31	0.35
2015-01-31	0.36
2015-02-28	0.36
2015-03-31	0.35
2015-04-30	0.34
2015-05-31	0.34
2015-06-30	0.34
2015-07-31	0.33
2015-08-31	0.35
2015-09-30	0.35
2015-10-31	0.35
2015-11-30	0.37
2015-12-31	0.4
2016-01-31	0.43
2016-02-29	0.44
2016-03-31	0.41
2016-04-30	0.42
2016-05-31	0.43
2016-06-30	0.42
2016-07-31	0.42
2016-08-31	0.33
2016-09-30	0.29
2016-10-31	0.29
2016-11-30	0.28
2016-12-31	0.26
2017-01-31	0.25
2017-02-28	0.25
2017-03-31	0.24
2017-04-30	0.22
2017-05-31	0.23
2017-06-30	0.21
2017-07-31	0.21
2017-08-31	0.21
2017-09-30	0.21
2017-10-31	0.2
2017-11-30	0.28
2017-12-31	0.31
2018-01-31	0.29
2018-02-28	0.29
2018-03-31	0.3
2018-04-30	0.28
2018-05-31	0.28
2018-06-30	0.28
2018-07-31	0.27
2018-08-31	0.34
2018-09-30	0.4
2018-10-31	0.4
2018-11-30	0.41
2018-12-31	0.44
2019-01-31	0.41
2019-02-28	0.41
2019-03-31	0.42
2019-04-30	0.41
2019-05-31	0.41
2019-06-30	0.43
2019-07-31	0.42
2019-08-31	0.44
2019-09-30	0.46
2019-10-31	0.44
2019-11-30	0.43
2019-12-31	0.44
2020-01-31	0.44
2020-02-29	0.44
2020-03-31	0.36
2020-04-30	0.26
2020-05-31	0.23
2020-06-30	0.11
2020-07-31	0.1
2020-08-31	0.11
2020-09-30	0.1
2020-10-31	0.1
2020-11-30	0.09
2020-12-31	0.09
2021-01-31	0.08
2021-02-28	0.08
2021-03-31	0.07
2021-04-30	0.06
2021-05-31	0.07
2021-06-30	0.07
2021-07-31	0.07
2021-08-31	0.07
2021-09-30	0.07
2021-10-31	0.07
2021-11-30	0.07
2021-12-31	0.08
2022-01-31	0.1
2022-02-28	0.14
2022-03-31	0.19
2022-04-30	0.26
2022-05-31	0.3
2022-06-30	0.36
2022-07-31	0.41
2022-08-31	0.5
2022-09-30	0.6
2022-10-31	0.79
2022-11-30	0.95
2022-12-31	1.12
2023-01-31	1.25
2023-02-28	1.4
2023-03-31	1.59
2023-04-30	1.69
2023-05-31	1.75
2023-06-30	1.82
2023-07-31	2.12
2023-08-31	2.28
2023-09-30	2.3
2023-10-31	2.38
2023-11-30	2.35
2023-12-31	2.39