Month	Percent
1995-01-31	22.2
1995-02-28	22
1995-03-31	22.39
1995-04-30	22.85
1995-05-31	22.78
1995-06-30	22.78
1995-07-31	22.81
1995-08-31	22.64
1995-09-30	22.77
1995-10-31	22.84
1995-11-30	22.85
1995-12-31	23.01
1996-01-31	22.61
1996-02-29	22.55
1996-03-31	22.58
1996-04-30	22.53
1996-05-31	22.38
1996-06-30	22.36
1996-07-31	22.34
1996-08-31	22.03
1996-09-30	22.08
1996-10-31	22.16
1996-11-30	22.32
1996-12-31	22.41
1997-01-31	22.14
1997-02-28	22.08
1997-03-31	22.06
1997-04-30	22.08
1997-05-31	21.99
1997-06-30	21.96
1997-07-31	22.26
1997-08-31	22.48
1997-09-30	22.44
1997-10-31	22.57
1997-11-30	22.61
1997-12-31	22.77
1998-01-31	22.49
1998-02-28	22.38
1998-03-31	22.38
1998-04-30	22.41
1998-05-31	22.38
1998-06-30	22.15
1998-07-31	22.26
1998-08-31	22.27
1998-09-30	22.29
1998-10-31	22.21
1998-11-30	22.27
1998-12-31	22.19
1999-01-31	21.41
1999-02-28	20.89
1999-03-31	20.69
1999-04-30	20.83
1999-05-31	20.01
1999-06-30	19.95
1999-07-31	19.86
1999-08-31	19.69
1999-09-30	19.74
1999-10-31	19.42
1999-11-30	19.2
1999-12-31	19.48
2000-01-31	19.11
2000-02-29	18.79
2000-03-31	18.94
2000-04-30	18.99
2000-05-31	19.04
2000-06-30	19.03
2000-07-31	19.12
2000-08-31	18.95
2000-09-30	18.79
2000-10-31	18.82
2000-11-30	18.76
2000-12-31	18.9
2001-01-31	18.65
2001-02-28	18.57
2001-03-31	18.53
2001-04-30	18.61
2001-05-31	18.55
2001-06-30	18.23
2001-07-31	18.22
2001-08-31	17.98
2001-09-30	18.01
2001-10-31	18
2001-11-30	17.94
2001-12-31	17.66
2002-01-31	17.1
2002-02-28	16.94
2002-03-31	16.39
2002-04-30	16.42
2002-05-31	16.38
2002-06-30	16.4
2002-07-31	16.44
2002-08-31	16.33
2002-09-30	15.65
2002-10-31	15.77
2002-11-30	15.69
2002-12-31	15.69
2003-01-31	15.59
2003-02-28	15.61
2003-03-31	15.13
2003-04-30	15.27
2003-05-31	15.23
2003-06-30	15.15
2003-07-31	15.19
2003-08-31	15
2003-09-30	14.97
2003-10-31	15.18
2003-11-30	15.18
2003-12-31	15.24
2004-01-31	15.13
2004-02-29	14.96
2004-03-31	14.8
2004-04-30	14.93
2004-05-31	14.99
2004-06-30	15.18
2004-07-31	15.44
2004-08-31	15.44
2004-09-30	15.65
2004-10-31	15.84
2004-11-30	15.94
2004-12-31	16.05
2005-01-31	15.86
2005-02-28	15.88
2005-03-31	16.23
2005-04-30	16.2
2005-05-31	15.96
2005-06-30	15.72
2005-07-31	15.73
2005-08-31	15.73
2005-09-30	15.76
2005-10-31	15.74
2005-11-30	16.47
2005-12-31	16.47
2006-01-31	16.5
2006-02-28	16.61
2006-03-31	16.56
2006-04-30	16.56
2006-05-31	16.67
2006-06-30	16.62
2006-07-31	16.03
2006-08-31	16.22
2006-09-30	16.29
2006-10-31	16.26
2006-11-30	15.7
2006-12-31	15.68
2007-01-31	15.67
2007-02-28	15.76
2007-03-31	16.05
2007-04-30	15.87
2007-05-31	15.36
2007-06-30	15.38
2007-07-31	15.22
2007-08-31	15.22
2007-09-30	14.99
2007-10-31	15.26
2007-11-30	15.25
2007-12-31	15.11
2008-01-31	15.2
2008-02-29	15.12
2008-03-31	15.14
2008-04-30	15.69
2008-05-31	15.92
2008-06-30	16.12
2008-07-31	16.12
2008-08-31	16.13
2008-09-30	16.12
2008-10-31	16.06
2008-11-30	16.05
2008-12-31	16.05
2009-01-31	16.09
2009-02-28	15.72
2009-03-31	15.73
2009-04-30	15.72
2009-05-31	15.87
2009-06-30	15.87
2009-07-31	15.86
2009-08-31	15.89
2009-09-30	15.86
2009-10-31	15.89
2009-11-30	15.89
2009-12-31	16.25
2010-01-31	16.37
2010-02-28	16.52
2010-03-31	16.53
2010-04-30	16.51
2010-05-31	16.52
2010-06-30	16.7
2010-07-31	16.7
2010-08-31	16.71
2010-09-30	16.69
2010-10-31	16.68
2010-11-30	16.68
2010-12-31	16.66
2011-01-31	16.8
2011-02-28	16.69
2011-03-31	16.66
2011-04-30	16.72
2011-05-31	16.73
2011-06-30	16.73
2011-07-31	16.72
2011-08-31	16.73
2011-09-30	16.72
2011-10-31	16.73
2011-11-30	16.93
2011-12-31	17.29
2012-01-31	17.32
2012-02-29	17.31
2012-03-31	17.31
2012-04-30	17.25
2012-05-31	17.26
2012-06-30	17.25
2012-07-31	17.26
2012-08-31	17.26
2012-09-30	17.25
2012-10-31	17.33
2012-11-30	17.32
2012-12-31	17.33
2013-01-31	17.61
2013-02-28	17.69
2013-03-31	17.69
2013-04-30	17.71
2013-05-31	17.85
2013-06-30	17.84
2013-07-31	17.89
2013-08-31	17.87
2013-09-30	17.88
2013-10-31	17.88
2013-11-30	18.13
2013-12-31	18.14
2014-01-31	18.17
2014-02-28	18.31
2014-03-31	17.31
2014-04-30	17.32
2014-05-31	17.37
2014-06-30	17.36
2014-07-31	17.37
2014-08-31	17.39
2014-09-30	17.47
2014-10-31	17.54
2014-11-30	17.81
2014-12-31	17.75
2015-01-31	17.85
2015-02-28	17.85
2015-03-31	17.84
2015-04-30	17.85
2015-05-31	17.87
2015-06-30	17.84
2015-07-31	17.9
2015-08-31	17.91
2015-09-30	17.93
2015-10-31	17.95
2015-11-30	17.94
2015-12-31	17.93
2016-01-31	17.96
2016-02-29	17.94
2016-03-31	17.94
2016-04-30	17.96
2016-05-31	17.93
2016-06-30	17.94
2016-07-31	17.96
2016-08-31	17.93
2016-09-30	17.94
2016-10-31	17.95
2016-11-30	17.96
2016-12-31	17.96
2017-01-31	17.96
2017-02-28	17.96
2017-03-31	17.96
2017-04-30	17.97
2017-05-31	17.89
2017-06-30	17.96
2017-07-31	17.96
2017-08-31	17.96
2017-09-30	17.97
2017-10-31	17.95
2017-11-30	17.96
2017-12-31	17.95
2018-01-31	17.92
2018-02-28	17.92
2018-03-31	17.92
2018-04-30	18.26
2018-05-31	18.24
2018-06-30	18.26
2018-07-31	18.35
2018-08-31	18.47
2018-09-30	18.46
2018-10-31	18.38
2018-11-30	18.69
2018-12-31	18.66
2019-01-31	18.67
2019-02-28	19.73
2019-03-31	19.83
2019-04-30	19.92
2019-05-31	20
2019-06-30	19.99
2019-07-31	20.01
2019-08-31	20.01
2019-09-30	20.01
2019-10-31	19.62
2019-11-30	20.33
2019-12-31	20.77
2020-01-31	20.77
2020-02-29	20.77
2020-03-31	20.78
2020-04-30	20.63
2020-05-31	20.58
2020-06-30	20.54
2020-07-31	20.56
2020-08-31	20.56
2020-09-30	20.72
2020-10-31	20.91
2020-11-30	20.92
2020-12-31	20.9
2021-01-31	20.99
2021-02-28	21.02
2021-03-31	21.15
2021-04-30	21.3
2021-05-31	21.49
2021-06-30	21.49
2021-07-31	21.49
2021-08-31	21.45
2021-09-30	21.45
2021-10-31	21.48
2021-11-30	21.42
2021-12-31	21.42
2022-01-31	21.43
2022-02-28	21.44
2022-03-31	21.42
2022-04-30	21.41
2022-05-31	21.38
2022-06-30	21.43
2022-07-31	21.66
2022-08-31	21.8
2022-09-30	21.89
2022-10-31	21.83
2022-11-30	21.96
2022-12-31	22.48
2023-01-31	22.42
2023-02-28	22.45
2023-03-31	22.48
2023-04-30	22.76
2023-05-31	22.76
2023-06-30	23.1
2023-07-31	23.38
2023-08-31	23.57
2023-09-30	23.8
2023-10-31	23.8
2023-11-30	23.9
2023-12-31	24
