Month	Percent
1995-01-31	3.43
1995-02-28	3.53
1995-03-31	3.64
1995-04-30	3.64
1995-05-31	3.63
1995-06-30	3.62
1995-07-31	3.61
1995-08-31	3.6
1995-09-30	3.52
1995-10-31	3.15
1995-11-30	3.16
1995-12-31	3.16
1996-01-31	2.77
1996-02-29	2.6
1996-03-31	2.55
1996-04-30	2.38
1996-05-31	2.34
1996-06-30	2.32
1996-07-31	2.25
1996-08-31	2.15
1996-09-30	2.15
1996-10-31	2.12
1996-11-30	2.13
1996-12-31	2.17
1997-01-31	2.3
1997-02-28	2.31
1997-03-31	2.36
1997-04-30	2.4
1997-05-31	2.41
1997-06-30	2.55
1997-07-31	2.9
1997-08-31	3.11
1997-09-30	3.32
1997-10-31	3.29
1997-11-30	3.31
1997-12-31	3.38
1998-01-31	3.44
1998-02-28	3.45
1998-03-31	3.44
1998-04-30	3.44
1998-05-31	3.35
1998-06-30	3.38
1998-07-31	3.58
1998-08-31	3.59
1998-09-30	3.62
1998-10-31	3.55
1998-11-30	3.19
1998-12-31	2.62
1999-01-31	2.52
1999-02-28	2.23
1999-03-31	1.95
1999-04-30	1.95
1999-05-31	1.86
1999-06-30	1.84
1999-07-31	1.77
1999-08-31	1.81
1999-09-30	1.84
1999-10-31	1.9
1999-11-30	1.94
1999-12-31	2.06
2000-01-31	2.09
2000-02-29	2.23
2000-03-31	2.41
2000-04-30	2.43
2000-05-31	2.42
2000-06-30	2.43
2000-07-31	2.44
2000-08-31	2.42
2000-09-30	2.4
2000-10-31	2.41
2000-11-30	2.26
2000-12-31	2.24
2001-01-31	2.25
2001-02-28	2.17
2001-03-31	2.07
2001-04-30	2.02
2001-05-31	1.79
2001-06-30	1.62
2001-07-31	1.62
2001-08-31	1.56
2001-09-30	1.46
2001-10-31	1.42
2001-11-30	1.21
2001-12-31	1.12
2002-01-31	1
2002-02-28	1
2002-03-31	1
2002-04-30	1.02
2002-05-31	1.02
2002-06-30	1.08
2002-07-31	1.08
2002-08-31	1.09
2002-09-30	1.09
2002-10-31	1.09
2002-11-30	1.09
2002-12-31	1.09
2003-01-31	1.08
2003-02-28	1.05
2003-03-31	0.99
2003-04-30	0.91
2003-05-31	0.91
2003-06-30	0.92
2003-07-31	0.89
2003-08-31	0.76
2003-09-30	0.76
2003-10-31	0.76
2003-11-30	0.77
2003-12-31	1.06
2004-01-31	1.04
2004-02-29	1.06
2004-03-31	1.08
2004-04-30	1.21
2004-05-31	1.22
2004-06-30	1.4
2004-07-31	1.62
2004-08-31	1.63
2004-09-30	1.83
2004-10-31	1.84
2004-11-30	2.04
2004-12-31	2.03
2005-01-31	2.08
2005-02-28	2.08
2005-03-31	2.07
2005-04-30	2.07
2005-05-31	2.07
2005-06-30	2.05
2005-07-31	2.04
2005-08-31	1.97
2005-09-30	1.73
2005-10-31	1.73
2005-11-30	1.73
2005-12-31	1.63
2006-01-31	1.52
2006-02-28	1.78
2006-03-31	1.75
2006-04-30	1.73
2006-05-31	1.73
2006-06-30	1.7
2006-07-31	1.7
2006-08-31	1.72
2006-09-30	1.9
2006-10-31	1.9
2006-11-30	1.94
2006-12-31	2.1
2007-01-31	2.1
2007-02-28	2.29
2007-03-31	2.36
2007-04-30	2.36
2007-05-31	2.4
2007-06-30	2.48
2007-07-31	2.52
2007-08-31	2.82
2007-09-30	2.85
2007-10-31	2.86
2007-11-30	2.83
2007-12-31	2.78
2008-01-31	2.76
2008-02-29	2.68
2008-03-31	2.46
2008-04-30	2.42
2008-05-31	2.19
2008-06-30	2.26
2008-07-31	2.24
2008-08-31	2.31
2008-09-30	2.46
2008-10-31	2.38
2008-11-30	1.68
2008-12-31	0.49
2009-01-31	0.21
2009-02-28	0.15
2009-03-31	0.19
2009-04-30	0.15
2009-05-31	0.17
2009-06-30	0.17
2009-07-31	0.17
2009-08-31	0.17
2009-09-30	0.17
2009-10-31	0.17
2009-11-30	0.17
2009-12-31	0.17
2010-01-31	0.17
2010-02-28	0.17
2010-03-31	0.12
2010-04-30	0.12
2010-05-31	0.12
2010-06-30	0.22
2010-07-31	0.23
2010-08-31	0.23
2010-09-30	0.23
2010-10-31	0.23
2010-11-30	0.23
2010-12-31	0.23
2011-01-31	0.3
2011-02-28	0.3
2011-03-31	0.3
2011-04-30	0.3
2011-05-31	0.3
2011-06-30	0.31
2011-07-31	0.31
2011-08-31	0.31
2011-09-30	0.31
2011-10-31	0.31
2011-11-30	0.31
2011-12-31	0.31
2012-01-31	0.21
2012-02-29	0.21
2012-03-31	0.22
2012-04-30	0.22
2012-05-31	0.22
2012-06-30	0.22
2012-07-31	0.22
2012-08-31	0.22
2012-09-30	0.27
2012-10-31	0.27
2012-11-30	0.26
2012-12-31	0.26