Monthly Percent
1999-01-31 6.36
1999-02-28 5.97
1999-03-31 5.62
1999-04-30 5.31
1999-05-31 5.24
1999-06-30 5.06
1999-07-31 5.07
1999-08-31 5.06
1999-09-30 5.04
1999-10-31 5.22
1999-11-30 5.35
1999-12-31 5.42
2000-01-31 5.49
2000-02-29 5.76
2000-03-31 5.87
2000-04-30 5.95
2000-05-31 5.96
2000-06-30 5.97
2000-07-31 5.98
2000-08-31 6
2000-09-30 6.04
2000-10-31 6.01
2000-11-30 6.06
2000-12-31 5.97
2001-01-31 5.89
2001-02-28 5.82
2001-03-31 5.7
2001-04-30 5.31
2001-05-31 5.4
2001-06-30 5.28
2001-07-31 5.25
2001-08-31 5.06
2001-09-30 4.93
2001-10-31 4.66
2001-11-30 4.21
2001-12-31 4.05
2002-01-31 3.96
2002-02-28 3.91
2002-03-31 3.89
2002-04-30 3.9
2002-05-31 3.94
2002-06-30 3.92
2002-07-31 3.98
2002-08-31 3.98
2002-09-30 3.9
2002-10-31 3.87
2002-11-30 3.83
2002-12-31 3.91
2003-01-31 3.83
2003-02-28 3.78
2003-03-31 3.73
2003-04-30 3.64
2003-05-31 3.57
2003-06-30 3.61
2003-07-31 3.52
2003-08-31 3.43
2003-09-30 3.46
2003-10-31 3.47
2003-11-30 3.59
2003-12-31 3.64
2004-01-31 3.86
2004-02-29 3.95
2004-03-31 4.03
2004-04-30 3.91
2004-05-31 4.21
2004-06-30 4.4
2004-07-31 4.55
2004-08-31 4.71
2004-09-30 4.79
2004-10-31 4.81
2004-11-30 4.81
2004-12-31 4.77
2005-01-31 4.79
2005-02-28 4.78
2005-03-31 4.8
2005-04-30 4.86
2005-05-31 4.84
2005-06-30 4.81
2005-07-31 4.75
2005-08-31 4.64
2005-09-30 4.57
2005-10-31 4.58
2005-11-30 4.59
2005-12-31 4.58
2006-01-31 4.58
2006-02-28 4.53
2006-03-31 4.53
2006-04-30 4.51
2006-05-31 4.55
2006-06-30 4.6
2006-07-31 4.61
2006-08-31 4.68
2006-09-30 4.78
2006-10-31 4.84
2006-11-30 4.99
2006-12-31 5.07
2007-01-31 5.13
2007-02-28 5.24
2007-03-31 5.28
2007-04-30 5.31
2007-05-31 5.37
2007-06-30 5.44
2007-07-31 5.58
2007-08-31 5.74
2007-09-30 5.85
2007-10-31 5.81
2007-11-30 5.76
2007-12-31 5.89
2008-01-31 5.72
2008-02-29 5.53
2008-03-31 5.5
2008-04-30 5.53
2008-05-31 5.54
2008-06-30 5.49
2008-07-31 5.57
2008-08-31 5.53
2008-09-30 5.53
2008-10-31 5.39
2008-11-30 4.42
2008-12-31 3.4
2009-01-31 2.52
2009-02-28 2.28
2009-03-31 1.75
2009-04-30 1.38
2009-05-31 1.4
2009-06-30 1.24
2009-07-31 1.14
2009-08-31 1
2009-09-30 0.87
2009-10-31 0.79
2009-11-30 0.73
2009-12-31 0.69