Monthly
1998-01-31 7.39
1998-02-28 7.36
1998-03-31 7.27
1998-04-30 7.27
1998-05-31 7.19
1998-06-30 7
1998-07-31 7.34
1998-08-31 7.44
1998-09-30 7.38
1998-10-31 7.01
1998-11-30 6.78
1998-12-31 6.59
1999-01-31 6.49
1999-02-28 5.97
1999-03-31 5.77
1999-04-30 5.79
1999-05-31 5.81
1999-06-30 5.87
1999-07-31 6.18
1999-08-31 6.38
1999-09-30 6.81
1999-10-31 6.88
1999-11-30 7.15
1999-12-31 7.16
2000-01-31 7.16
2000-02-29 7.24
2000-03-31 7.23
2000-04-30 7.07
2000-05-31 7.04
2000-06-30 7.06
2000-07-31 7.05
2000-08-31 6.88
2000-09-30 6.82
2000-10-31 6.82
2000-11-30 6.72
2000-12-31 6.43
2001-01-31 6.3
2001-02-28 6.17
2001-03-31 6.16
2001-04-30 6.03
2001-05-31 5.95
2001-06-30 5.99
2001-07-31 6.14
2001-08-31 6.11
2001-09-30 5.83
2001-10-31 5.76
2001-11-30 5.69
2001-12-31 5.63
2002-01-31 5.66
2002-02-28 5.88
2002-03-31 5.78
2002-04-30 5.9
2002-05-31 5.91
2002-06-30 5.84
2002-07-31 5.77
2002-08-31 5.5
2002-09-30 5.21
2002-10-31 5.07
2002-11-30 5.06
2002-12-31 5.28
2003-01-31 5.11
2003-02-28 4.75
2003-03-31 4.73
2003-04-30 4.79
2003-05-31 4.6
2003-06-30 4.47
2003-07-31 4.56
2003-08-31 5.04
2003-09-30 5.34
2003-10-31 5.68
2003-11-30 5.74
2003-12-31 5.59
2004-01-31 5.57
2004-02-29 5.34
2004-03-31 5.35
2004-04-30 5.48
2004-05-31 5.57
2004-06-30 6.19
2004-07-31 6.02
2004-08-31 5.92
2004-09-30 5.93
2004-10-31 5.88
2004-11-30 5.88
2004-12-31 5.56
2005-01-31 5.46
2005-02-28 5.52
2005-03-31 5.54
2005-04-30 5.57
2005-05-31 5.52
2005-06-30 5.29
2005-07-31 5.12
2005-08-31 5.06
2005-09-30 4.92
2005-10-31 4.95
2005-11-30 5.09
2005-12-31 5.11
2006-01-31 5.08
2006-02-28 5.07
2006-03-31 5.07
2006-04-30 5.17
2006-05-31 5.32
2006-06-30 5.48
2006-07-31 5.51
2006-08-31 5.66
2006-09-30 5.65
2006-10-31 5.59
2006-11-30 5.59
2006-12-31 5.6
2007-01-31 5.77
2007-02-28 5.93
2007-03-31 6.04
2007-04-30 6.15
2007-05-31 6.14
2007-06-30 6.37
2007-07-31 6.45
2007-08-31 6.62
2007-09-30 6.62
2007-10-31 6.58
2007-11-30 6.63
2007-12-31 6.67