Month	Percent
2004-01-31	5.22
2004-02-29	6.74
2004-03-31	6.53
2004-04-30	7.15
2004-05-31	6.36
2004-06-30	7.96
2004-07-31	6.61
2004-08-31	6.49
2004-09-30	6.66
2004-10-31	7.33
2004-11-30	7.4
2004-12-31	6.08
2005-01-31	6.47
2005-02-28	6.91
2005-03-31	6.21
2005-04-30	5.66
2005-05-31	6.91
2005-06-30	7.6
2005-07-31	6.34
2005-08-31	7.41
2005-09-30	6.25
2005-10-31	6.18
2005-11-30	5.92
2005-12-31	6.75
2006-01-31	6.17
2006-02-28	6.16
2006-03-31	6.35
2006-04-30	6.06
2006-05-31	7.52
2006-06-30	6.24
2006-07-31	6.59
2006-08-31	5.65
2006-09-30	6.19
2006-10-31	7.44
2006-11-30	7.11
2006-12-31	6.71
2007-01-31	5.98
2007-02-28	6.73
2007-03-31	6.07
2007-04-30	5.99
2007-05-31	7.19
2007-06-30	5.91
2007-07-31	7.45
2007-08-31	8.5
2007-09-30	7.41
2007-10-31	7.24
2007-11-30	7.78
2007-12-31	7.61
2008-01-31	9.38
2008-02-29	7.54
2008-03-31	7.42
2008-04-30	7.2
2008-05-31	7.77
2008-06-30	6.6
2008-07-31	6.55
2008-08-31	7.52
2008-09-30	8.1
2008-10-31	7.8
2008-11-30	7.88
2008-12-31	4.11
2009-01-31	3.21
2009-02-28	4.06
2009-03-31	3.42
2009-04-30	3.77
2009-05-31	2.93
2009-06-30	3.04
2009-07-31	2.68
2009-08-31	1.9
2009-09-30	6.39
2009-10-31	4.03
2009-11-30	5.97
2009-12-31	4.31
2010-01-31	3.35
2010-02-28	4.4
2010-03-31	4
2010-04-30	4.37
2010-05-31	4.98
2010-06-30	4.71
2010-07-31	3.79
2010-08-31	3.15
2010-09-30	4.38
2010-10-31	4.43
2010-11-30	3.86
2010-12-31	4.51
2011-01-31	5.43
2011-02-28	4.51
2011-03-31	5.34
2011-04-30	5.41
2011-05-31	5.81
2011-06-30	5.32
2011-07-31	5.1
2011-08-31	5.66
2011-09-30	5.15
2011-10-31	4.7
2011-11-30	3.94
2011-12-31	5.3
2012-01-31	5.04
2012-02-29	4.85
2012-03-31	6
2012-04-30	5.32
2012-05-31	4.9
2012-06-30	5.12
2012-07-31	5.17
2012-08-31	3.96
2012-09-30	4.57
2012-10-31	5.25
2012-11-30	5.09
2012-12-31	4.4
2013-01-31	4.49
2013-02-28	4.79
2013-03-31	5.56
2013-04-30	4.99
2013-05-31	3.25
2013-06-30	4.72
2013-07-31	5.51
2013-08-31	4.8
2013-09-30	5.26
2013-10-31	5.22
2013-11-30	5.34
2013-12-31	5.07
2014-01-31	4.8
2014-02-28	5.37
2014-03-31	6.35
2014-04-30	5.04
2014-05-31	5.16
2014-06-30	5.12
2014-07-31	5.21
2014-08-31	5.63
2014-09-30	5.31
2014-10-31	5.46
2014-11-30	6.01
2014-12-31	5.66
2015-01-31	3.93
2015-02-28	4.04
2015-03-31	4.5
2015-04-30	5.17
2015-05-31	4.14
2015-06-30	4.45
2015-07-31	4.78
2015-08-31	4.68
2015-09-30	3.79
2015-10-31	3.68
2015-11-30	3.53
2015-12-31	4.97