Monthly Percent
1999-01-31 7.08
1999-02-28 6.74
1999-03-31 6.44
1999-04-30 6.22
1999-05-31 6.19
1999-06-30 6.09
1999-07-31 6.02
1999-08-31 6.08
1999-09-30 5.98
1999-10-31 5.2
1999-11-30 5.84
1999-12-31 5.95
2000-01-31 6.09
2000-02-29 6.29
2000-03-31 6.18
2000-04-30 6.19
2000-05-31 6.44
2000-06-30 6.38
2000-07-31 6.45
2000-08-31 6.31
2000-09-30 6.37
2000-10-31 6.36
2000-11-30 6.33
2000-12-31 6.16
2001-01-31 6.25
2001-02-28 6.12
2001-03-31 5.77
2001-04-30 5.65
2001-05-31 5.62
2001-06-30 5.44
2001-07-31 5.3
2001-08-31 5.22
2001-09-30 4.97
2001-10-31 4.82
2001-11-30 4.51
2001-12-31 4.33
2002-01-31 4.36
2002-02-28 4.26
2002-03-31 4.34
2002-04-30 4.36
2002-05-31 4.33
2002-06-30 4.25
2002-07-31 4.21
2002-08-31 4.16
2002-09-30 4.15
2002-10-31 4.12
2002-11-30 4.1
2002-12-31 4.09
2003-01-31 4.12
2003-02-28 3.99
2003-03-31 4.15
2003-04-30 3.74
2003-05-31 3.86
2003-06-30 3.89
2003-07-31 3.61
2003-08-31 3.78
2003-09-30 3.9
2003-10-31 3.89
2003-11-30 3.83
2003-12-31 3.98
2004-01-31 4.28
2004-02-29 4.13
2004-03-31 4.17
2004-04-30 4.21
2004-05-31 4.34
2004-06-30 4.5
2004-07-31 4.67
2004-08-31 4.7
2004-09-30 4.89
2004-10-31 4.95
2004-11-30 4.92
2004-12-31 4.88
2005-01-31 4.81
2005-02-28 4.79
2005-03-31 4.82
2005-04-30 4.8
2005-05-31 4.77
2005-06-30 4.87
2005-07-31 4.82
2005-08-31 4.72
2005-09-30 4.67
2005-10-31 4.69
2005-11-30 4.64
2005-12-31 4.64
2006-01-31 4.66
2006-02-28 4.64
2006-03-31 4.6
2006-04-30 4.61
2006-05-31 4.6
2006-06-30 4.65
2006-07-31 4.65
2006-08-31 4.77
2006-09-30 4.76
2006-10-31 4.83
2006-11-30 4.95
2006-12-31 4.99
2007-01-31 5.16
2007-02-28 5.32
2007-03-31 5.34
2007-04-30 5.37
2007-05-31 5.39
2007-06-30 5.39
2007-07-31 5.65
2007-08-31 5.72
2007-09-30 5.8
2007-10-31 5.97
2007-11-30 5.9
2007-12-31 5.98
2008-01-31 5.96
2008-02-29 5.64
2008-03-31 5.74
2008-04-30 5.61
2008-05-31 5.45
2008-06-30 5.26
2008-07-31 5.29
2008-08-31 5.28
2008-09-30 5.35
2008-10-31 5.67
2008-11-30 4.93
2008-12-31 3.01
2009-01-31 2.56
2009-02-28 1.93
2009-03-31 1.46
2009-04-30 0.99
2009-05-31 0.89
2009-06-30 0.91
2009-07-31 1.02
2009-08-31 1.18
2009-09-30 0.97
2009-10-31 0.8
2009-11-30 1.04
2009-12-31 1.02