Monthly Percent
1989-01-31 7.94
1989-02-28 8.65
1989-03-31 8.47
1989-04-30 8.22
1989-05-31 8.61
1989-06-30 8.86
1989-07-31 8.68
1989-08-31 9.09
1989-09-30 9.8
1989-10-31 10.4
1989-11-30 10.53
1989-12-31 10.89
1990-01-31 10.77
1990-02-28 10.67
1990-03-31 9.63
1990-04-30 10.1
1990-05-31 9.85
1990-06-30 9.75
1990-07-31 9.77
1990-08-31 9.78
1990-09-30 9.72
1990-10-31 9.47
1990-11-30 9.74
1990-12-31 9.84
1991-01-31 9.7
1991-02-28 9.18
1991-03-31 8.93
1991-04-30 9.19
1991-05-31 9.28
1991-06-30 9.57
1991-07-31 9.64
1991-08-31 9.44
1991-09-30 9.42
1991-10-31 9.47
1991-11-30 9.78
1991-12-31 10.26
1992-01-31 10.16
1992-02-29 9.59
1992-03-31 9.82
1992-04-30 9.84
1992-05-31 9.81
1992-06-30 10.18
1992-07-31 10.67
1992-08-31 11.09
1992-09-30 11.13
1992-10-31 10.13
1992-11-30 11.16
1992-12-31 10.13
1993-01-31 9.68
1993-02-28 9.43
1993-03-31 8.75
1993-04-30 8.2
1993-05-31 7.39
1993-06-30 7.07
1993-07-31 7.85
1993-08-31 7.68
1993-09-30 7.44
1993-10-31 7
1993-11-30 6.64
1993-12-31 6.16
1994-01-31 6.3
1994-02-28 6.16
1994-03-31 6.14
1994-04-30 5.76
1994-05-31 5.99
1994-06-30 5.71
1994-07-31 5.85
1994-08-31 5.7
1994-09-30 5.63
1994-10-31 5.74
1994-11-30 5.74
1994-12-31 6.07
1995-01-31 5.87
1995-02-28 6
1995-03-31 6.67
1995-04-30 6.15
1995-05-31 6.02
1995-06-30 6.06
1995-07-31 5.82
1995-08-31 5.44
1995-09-30 5.48
1995-10-31 5.59
1995-11-30 5.25
1995-12-31 4.99
1996-01-31 4.49
1996-02-29 4.46
1996-03-31 4.45
1996-04-30 4.16
1996-05-31 4.38
1996-06-30 4.32
1996-07-31 4.32
1996-08-31 4.2
1996-09-30 4.03
1996-10-31 4.01
1996-11-30 4.04
1996-12-31 3.95
1997-01-31 3.88
1997-02-28 3.98
1997-03-31 4.08
1997-04-30 3.99
1997-05-31 4.05
1997-06-30 4.03
1997-07-31 4.16
1997-08-31 4.22
1997-09-30 4.17
1997-10-31 4.37
1997-11-30 4.33
1997-12-31 4.2
1998-01-31 4.17
1998-02-28 4.11
1998-03-31 3.97
1998-04-30 4.01
1998-05-31 4.02
1998-06-30 4.02
1998-07-31 3.97
1998-08-31 3.97
1998-09-30 3.93
1998-10-31 3.72
1998-11-30 3.58
1998-12-31 2.96
1999-01-31 2.81
1999-02-28 2.83
1999-03-31 2.75
1999-04-30 2.34
1999-05-31 2.36
1999-06-30 2.42
1999-07-31 2.41
1999-08-31 2.53
1999-09-30 2.56
1999-10-31 2.99
1999-11-30 3.12
1999-12-31 3.15
2000-01-31 3.31
2000-02-29 3.5
2000-03-31 3.67
2000-04-30 3.89
2000-05-31 4.22
2000-06-30 4.37
2000-07-31 4.44
2000-08-31 4.66
2000-09-30 4.71
2000-10-31 4.9
2000-11-30 4.88
2000-12-31 4.73
2001-01-31 4.6
2001-02-28 4.66
2001-03-31 4.49
2001-04-30 4.73
2001-05-31 4.47
2001-06-30 4.33
2001-07-31 4.32
2001-08-31 4.16
2001-09-30 3.54
2001-10-31 3.4
2001-11-30 3.27
2001-12-31 3.2
2002-01-31 3.28
2002-02-28 3.27
2002-03-31 3.32
2002-04-30 3.3
2002-05-31 3.37
2002-06-30 3.34
2002-07-31 3.25
2002-08-31 3.27
2002-09-30 3.18
2002-10-31 3.12
2002-11-30 2.95
2002-12-31 2.77
2003-01-31 2.71
2003-02-28 2.45
2003-03-31 2.44
2003-04-30 2.45
2003-05-31 2.2
2003-06-30 2.08
2003-07-31 2.04
2003-08-31 2.07
2003-09-30 2.02
2003-10-31 2.04
2003-11-30 2.06
2003-12-31 2.04
2004-01-31 1.99
2004-02-29 1.98
2004-03-31 1.91
2004-04-30 1.99
2004-05-31 2.01
2004-06-30 2.02
2004-07-31 2.03
2004-08-31 2.03
2004-09-30 2.03
2004-10-31 2.06
2004-11-30 2.08
2004-12-31 2.06
2005-01-31 2.06
2005-02-28 2.06
2005-03-31 2.05
2005-04-30 2.05
2005-05-31 2.02
2005-06-30 2.03
2005-07-31 2.02
2005-08-31 2.04
2005-09-30 2.04
2005-10-31 2.16
2005-11-30 2.33
2005-12-31 2.35
2006-01-31 2.43
2006-02-28 2.54
2006-03-31 2.66
2006-04-30 2.69
2006-05-31 2.8
2006-06-30 2.89
2006-07-31 3.04