Monthly Percent
1999-01-31 9.06
1999-02-28 8.92
1999-03-31 8.53
1999-04-30 8.44
1999-05-31 8.45
1999-06-30 8.32
1999-07-31 8.38
1999-08-31 8.41
1999-09-30 8.47
1999-10-31 8.49
1999-11-30 8.6
1999-12-31 8.54
2000-01-31 8.56
2000-02-29 8.84
2000-03-31 8.84
2000-04-30 9.19
2000-05-31 9.19
2000-06-30 9.39
2000-07-31 9.38
2000-08-31 9.42
2000-09-30 9.21
2000-10-31 9.25
2000-11-30 9.18
2000-12-31 9.19
2001-01-31 9.07
2001-02-28 9
2001-03-31 9.02
2001-04-30 8.93
2001-05-31 8.72
2001-06-30 8.8
2001-07-31 8.8
2001-08-31 8.65
2001-09-30 8.53
2001-10-31 8.33
2001-11-30 8.02
2001-12-31 7.92
2002-01-31 7.99
2002-02-28 7.98
2002-03-31 7.99
2002-04-30 8
2002-05-31 7.88
2002-06-30 7.75
2002-07-31 7.85
2002-08-31 7.87
2002-09-30 7.84
2002-10-31 7.72
2002-11-30 7.77
2002-12-31 7.79
2003-01-31 7.77
2003-02-28 7.55
2003-03-31 7.47
2003-04-30 7.43
2003-05-31 7.53
2003-06-30 7.39
2003-07-31 7.28
2003-08-31 7.2
2003-09-30 7.26
2003-10-31 7.24
2003-11-30 7.38
2003-12-31 7.48
2004-01-31 6.55
2004-02-29 6.33
2004-03-31 6.38
2004-04-30 6.39
2004-05-31 6.58
2004-06-30 6.77
2004-07-31 6.9
2004-08-31 7.11
2004-09-30 7.23
2004-10-31 7.32
2004-11-30 7.33
2004-12-31 7.36
2005-01-31 7.35
2005-02-28 7.34
2005-03-31 7.32
2005-04-30 7.32
2005-05-31 7.34
2005-06-30 7.3
2005-07-31 7.3
2005-08-31 7.04
2005-09-30 7.05
2005-10-31 6.95
2005-11-30 7
2005-12-31 6.97
2006-01-31 6.93
2006-02-28 6.95
2006-03-31 6.97
2006-04-30 6.84
2006-05-31 6.83
2006-06-30 6.87
2006-07-31 6.89
2006-08-31 7.41
2006-09-30 7.08
2006-10-31 7.09
2006-11-30 7.15
2006-12-31 7.1
2007-01-31 7.44
2007-02-28 7.51
2007-03-31 7.54
2007-04-30 7.43
2007-05-31 7.69
2007-06-30 7.79
2007-07-31 7.97
2007-08-31 8
2007-09-30 7.95
2007-10-31 8.01
2007-11-30 8
2007-12-31 7.75
2008-01-31 7.75
2008-02-29 7.59
2008-03-31 7.56
2008-04-30 7.44
2008-05-31 7.38
2008-06-30 7.36
2008-07-31 7.36
2008-08-31 7.25
2008-09-30 7.31
2008-10-31 6.87
2008-11-30 5.47
2008-12-31 4.36
2009-01-31 3.8
2009-02-28 3.45
2009-03-31 2.99
2009-04-30 2.93
2009-05-31 2.97
2009-06-30 3
2009-07-31 3.08
2009-08-31 3.2
2009-09-30 3.2
2009-10-31 3.24
2009-11-30 3.54
2009-12-31 3.53
2010-01-31 3.58
2010-02-28 3.95
2010-03-31 3.83
2010-04-30 3.92
2010-05-31 4.02
2010-06-30 4.18
2010-07-31 4.23
2010-08-31 4.28
2010-09-30 4.38
2010-10-31 4.42
2010-11-30 4.46
2010-12-31 4.46
2011-01-31 4.38
2011-02-28 4.3
2011-03-31 4.34
2011-04-30 4.43
2011-05-31 4.55
2011-06-30 4.64
2011-07-31 4.78
2011-08-31 4.84
2011-09-30 4.76
2011-10-31 4.74
2011-11-30 4.79
2011-12-31 4.83
2012-01-31 4.68
2012-02-29 4.54
2012-03-31 4.58
2012-04-30 4.5
2012-05-31 4.51
2012-06-30 4.44
2012-07-31 4.48
2012-08-31 4.2
2012-09-30 4.45
2012-10-31 4.27
2012-11-30 4.43
2012-12-31 4.53
2013-01-31 4.03
2013-02-28 4.03
2013-03-31 3.89
2013-04-30 3.62
2013-05-31 3.73
2013-06-30 3.75
2013-07-31 3.77
2013-08-31 3.86
2013-09-30 3.86
2013-10-31 3.88
2013-11-30 3.76
2013-12-31 3.66
2014-01-31 3.63
2014-02-28 3.77
2014-03-31 3.71
2014-04-30 3.46
2014-05-31 3.64
2014-06-30 3.74
2014-07-31 3.75
2014-08-31 3.77
2014-09-30 3.78
2014-10-31 3.79
2014-11-30 3.65
2014-12-31 3.57
2015-01-31 3.62
2015-02-28 3.54
2015-03-31 3.49
2015-04-30 3.51
2015-05-31 3.52
2015-06-30 3.51
2015-07-31 3.01
2015-08-31 3.01
2015-09-30 3.05
2015-10-31 3.02
2015-11-30 3.02
2015-12-31 3.03