Month	Percent
2004-01-31	5.79
2004-02-29	5.84
2004-03-31	6.02
2004-04-30	5.71
2004-05-31	5.74
2004-06-30	5.53
2004-07-31	7.01
2004-08-31	6.3
2004-09-30	6.07
2004-10-31	6.09
2004-11-30	5.95
2004-12-31	5.78
2005-01-31	5.98
2005-02-28	6.05
2005-03-31	5.52
2005-04-30	5.62
2005-05-31	5.82
2005-06-30	5.69
2005-07-31	5.57
2005-08-31	5.86
2005-09-30	5.39
2005-10-31	5.74
2005-11-30	5.49
2005-12-31	5.82
2006-01-31	5.41
2006-02-28	5.49
2006-03-31	5.18
2006-04-30	5.37
2006-05-31	5.29
2006-06-30	5.8
2006-07-31	5.65
2006-08-31	5.63
2006-09-30	5.79
2006-10-31	5.75
2006-11-30	6.04
2006-12-31	5.89
2007-01-31	6.25
2007-02-28	6.98
2007-03-31	6.48
2007-04-30	7.03
2007-05-31	6.81
2007-06-30	6.71
2007-07-31	7.12
2007-08-31	7.09
2007-09-30	7.3
2007-10-31	7.78
2007-11-30	6.84
2007-12-31	6.66
2008-01-31	6.96
2008-02-29	6.48
2008-03-31	6.45
2008-04-30	6.79
2008-05-31	6.67
2008-06-30	6.71
2008-07-31	6.63
2008-08-31	6.11
2008-09-30	6.74
2008-10-31	7.43
2008-11-30	6.08
2008-12-31	5.1
2009-01-31	3.69
2009-02-28	3.14
2009-03-31	3.31
2009-04-30	5.63
2009-05-31	2.76
2009-06-30	1.63
2009-07-31	2.88
2009-08-31	2.94
2009-09-30	2.78
2009-10-31	2.7
2009-11-30	2.76
2009-12-31	2.76
2010-01-31	2.62
2010-02-28	2.68
2010-03-31	2.62
2010-04-30	2.62
2010-05-31	2.74
2010-06-30	2.91
2010-07-31	2.89
2010-08-31	2.72
2010-09-30	3.01
2010-10-31	2.95
2010-11-30	2.93
2010-12-31	2.78
2011-01-31	3.02
2011-02-28	2.94
2011-03-31	2.75
2011-04-30	2.67
2011-05-31	3.04
2011-06-30	3.2
2011-07-31	3.43
2011-08-31	2.96
2011-09-30	3.41
2011-10-31	2.64
2011-11-30	2.78
2011-12-31	2.79
2012-01-31	3.01
2012-02-29	2.93
2012-03-31	2.62
2012-04-30	3.1
2012-05-31	2.64
2012-06-30	1.92
2012-07-31	2.89
2012-08-31	3.7
2012-09-30	2.8
2012-10-31	2.61
2012-11-30	2.28
2012-12-31	2.71
2013-01-31	2.83
2013-02-28	3.36
2013-03-31	2.56
2013-04-30	3.08
2013-05-31	3
2013-06-30	2.99
2013-07-31	3.21
2013-08-31	3.08
2013-09-30	3.18
2013-10-31	3.25
2013-11-30	2.86
2013-12-31	3.12
2014-01-31	2.98
2014-02-28	3.04
2014-03-31	2.79
2014-04-30	2.98
2014-05-31	2.62
2014-06-30	2.67
2014-07-31	2.9
2014-08-31	2.47
2014-09-30	2.56
2014-10-31	2.91
2014-11-30	2.84
2014-12-31	2.64
2015-01-31	2.4
2015-02-28	2.44
2015-03-31	2.51
2015-04-30	3.04
2015-05-31	2.43
2015-06-30	2.75
2015-07-31	2.37
2015-08-31	2.68
2015-09-30	2.85
2015-10-31	2.55
2015-11-30	2.68
2015-12-31	2.91