Monthly Percent
1999-04-30 6.32
1999-05-31 6.29
1999-06-30 6.28
1999-07-31 6.2
1999-08-31 6.13
1999-09-30 6.15
1999-10-31 6.17
1999-11-30 6.21
1999-12-31 6.27
2000-01-31 6.3
2000-02-29 6.45
2000-03-31 6.66
2000-04-30 6.67
2000-05-31 6.66
2000-06-30 6.65
2000-07-31 6.65
2000-08-31 6.62
2000-09-30 6.61
2000-10-31 6.52
2000-11-30 6.51
2000-12-31 6.47
2001-01-31 6.44
2001-02-28 6.38
2001-03-31 6.06
2001-04-30 6.04
2001-05-31 5.68
2001-06-30 5.45
2001-07-31 5.43
2001-08-31 5.31
2001-09-30 5.07
2001-10-31 4.83
2001-11-30 4.57
2001-12-31 4.14
2002-01-31 4.17
2002-02-28 4.14
2002-03-31 4.14
2002-04-30 4.1
2002-05-31 4.1
2002-06-30 4.07
2002-07-31 4.05
2002-08-31 3.97
2002-09-30 3.83
2002-10-31 3.89
2002-11-30 3.89
2002-12-31 3.88
2003-01-31 3.85
2003-02-28 3.84
2003-03-31 3.66
2003-04-30 3.65
2003-05-31 3.65
2003-06-30 3.64
2003-07-31 3.62
2003-08-31 3.4
2003-09-30 3.38
2003-10-31 3.38
2003-11-30 3.41
2003-12-31 3.67
2004-01-31 3.67
2004-02-29 3.68
2004-03-31 3.86
2004-04-30 3.88
2004-05-31 3.89
2004-06-30 4.08
2004-07-31 4.29
2004-08-31 4.31
2004-09-30 4.51
2004-10-31 4.51
2004-11-30 4.51
2004-12-31 4.52
2005-01-31 4.48
2005-02-28 4.48
2005-03-31 4.49
2005-04-30 4.49
2005-05-31 4.49
2005-06-30 4.46
2005-07-31 4.46
2005-08-31 4.41
2005-09-30 4.47
2005-10-31 4.47
2005-11-30 4.47
2005-12-31 4.48
2006-01-31 4.45
2006-02-28 4.48
2006-03-31 4.48
2006-04-30 4.41
2006-05-31 4.4
2006-06-30 4.36
2006-07-31 4.36
2006-08-31 4.36
2006-09-30 4.55
2006-10-31 4.55
2006-11-30 4.55
2006-12-31 4.76
2007-01-31 4.77
2007-02-28 4.93
2007-03-31 4.95
2007-04-30 4.95
2007-05-31 4.95
2007-06-30 5.06
2007-07-31 5.13
2007-08-31 5.34
2007-09-30 5.33
2007-10-31 5.32
2007-11-30 5.34
2007-12-31 5.29
2008-01-31 5.06
2008-02-29 5.06
2008-03-31 4.81
2008-04-30 4.81
2008-05-31 4.56
2008-06-30 4.56
2008-07-31 4.56
2008-08-31 4.54
2008-09-30 4.49
2008-10-31 4.36
2008-11-30 3.83
2008-12-31 2.1
2009-01-31 1.38
2009-02-28 0.96
2009-03-31 0.63
2009-04-30 0.42
2009-05-31 0.41
2009-06-30 0.42
2009-07-31 0.42
2009-08-31 0.41
2009-09-30 0.4
2009-10-31 0.4
2009-11-30 0.41
2009-12-31 0.41
2010-01-31 0.41
2010-02-28 0.47
2010-03-31 0.46
2010-04-30 0.46
2010-05-31 0.46
2010-06-30 0.7
2010-07-31 0.69
2010-08-31 0.61
2010-09-30 0.54
2010-10-31 0.4
2010-11-30 0.4
2010-12-31 0.4
2011-01-31 0.44
2011-02-28 0.44
2011-03-31 0.54
2011-04-30 0.55
2011-05-31 0.55
2011-06-30 0.5
2011-07-31 0.5
2011-08-31 0.5
2011-09-30 0.6
2011-10-31 0.6
2011-11-30 0.61
2011-12-31 0.61
2012-01-31 0.61
2012-02-29 0.65
2012-03-31 0.65
2012-04-30 0.66
2012-05-31 0.66
2012-06-30 0.66
2012-07-31 0.66
2012-08-31 0.66
2012-09-30 0.67
2012-10-31 0.66
2012-11-30 0.59
2012-12-31 0.65