Month	Percent
2004-01-31	6.45
2004-02-29	6.63
2004-03-31	6.35
2004-04-30	6.46
2004-05-31	6.59
2004-06-30	6.74
2004-07-31	6.96
2004-08-31	7.24
2004-09-30	6.98
2004-10-31	7.33
2004-11-30	7.38
2004-12-31	7.5
2005-01-31	7.21
2005-02-28	7.26
2005-03-31	7.12
2005-04-30	7.13
2005-05-31	7.27
2005-06-30	7.18
2005-07-31	7.11
2005-08-31	7.02
2005-09-30	6.98
2005-10-31	7.02
2005-11-30	6.94
2005-12-31	6.8
2006-01-31	6.83
2006-02-28	7
2006-03-31	6.99
2006-04-30	6.83
2006-05-31	6.94
2006-06-30	6.91
2006-07-31	6.93
2006-08-31	7.42
2006-09-30	7.44
2006-10-31	7.45
2006-11-30	7.48
2006-12-31	7.54
2007-01-31	7.52
2007-02-28	7.92
2007-03-31	7.97
2007-04-30	7.48
2007-05-31	8.04
2007-06-30	7.94
2007-07-31	8.11
2007-08-31	8.67
2007-09-30	8.25
2007-10-31	8.34
2007-11-30	8.28
2007-12-31	8.03
2008-01-31	7.9
2008-02-29	7.59
2008-03-31	7.79
2008-04-30	7.52
2008-05-31	7.09
2008-06-30	7.46
2008-07-31	7.45
2008-08-31	7.38
2008-09-30	7.24
2008-10-31	6.91
2008-11-30	5.54
2008-12-31	4.98
2009-01-31	4.24
2009-02-28	4.14
2009-03-31	3.38
2009-04-30	3.56
2009-05-31	3.6
2009-06-30	3.85
2009-07-31	4.3
2009-08-31	4.11
2009-09-30	4.65
2009-10-31	4.32
2009-11-30	4.2
2009-12-31	4.25
2010-01-31	4.28
2010-02-28	4.74
2010-03-31	5.63
2010-04-30	6.31
2010-05-31	5.11
2010-06-30	5.33
2010-07-31	5.18
2010-08-31	5.85
2010-09-30	5.38
2010-10-31	5.55
2010-11-30	5.79
2010-12-31	4.99
2011-01-31	4.57
2011-02-28	4.84
2011-03-31	5.89
2011-04-30	5.87
2011-05-31	6.21
2011-06-30	5.08
2011-07-31	6.5
2011-08-31	5.9
2011-09-30	4.83
2011-10-31	5.83
2011-11-30	5.72
2011-12-31	5.42
2012-01-31	5.95
2012-02-29	4.8
2012-03-31	4.91
2012-04-30	9.12
2012-05-31	5.54
2012-06-30	5.93
2012-07-31	5.08
2012-08-31	5.95
2012-09-30	6.31
2012-10-31	3.98
2012-11-30	5.39
2012-12-31	4.55
2013-01-31	4.81
2013-02-28	5.57
2013-03-31	4.24
2013-04-30	4.8
2013-05-31	6.31
2013-06-30	3.88
2013-07-31	5.13
2013-08-31	6.5
2013-09-30	5.7
2013-10-31	4.74
2013-11-30	0
2013-12-31	3.27
2014-01-31	4.98
2014-02-28	4.13
2014-03-31	4
2014-04-30	3.81
2014-05-31	3.76
2014-06-30	4.26
2014-07-31	3.67
2014-08-31	3.5
2014-09-30	3.54
2014-10-31	3.5
2014-11-30	0
2014-12-31	0
2015-01-31	0
2015-02-28	3.25
2015-03-31	0
2015-04-30	0
2015-05-31	0
2015-06-30	0
2015-07-31	0
2015-08-31	0
2015-09-30	0
2015-10-31	0
2015-11-30	0
2015-12-31	0