Monthly
1975-01-31 11.95
1975-02-28 11.42
1975-03-31 10.38
1975-04-30 9.54
1975-05-31 10.1
1975-06-30 9.68
1975-07-31 9.93
1975-08-31 10.53
1975-09-30 10.45
1975-10-31 11.41
1975-11-30 11.18
1975-12-31 10.88
1976-01-31 10.04
1976-02-29 8.98
1976-03-31 8.56
1976-04-30 9.04
1976-05-31 10.28
1976-06-30 11.09
1976-07-31 10.99
1976-08-31 10.96
1976-09-30 11.98
1976-10-31 14.25
1976-11-30 14.3
1976-12-31 13.9
1977-01-31 13
1977-02-28 11.33
1977-03-31 9.99
1977-04-30 8.35
1977-05-31 7.55
1977-06-30 7.73
1977-07-31 7.61
1977-08-31 6.87
1977-09-30 5.92
1977-10-31 4.83
1977-11-30 5.13
1977-12-31 6.58
1978-01-31 6.01
1978-02-28 6.43
1978-03-31 6.46
1978-04-30 7.34
1978-05-31 8.86
1978-06-30 9.63
1978-07-31 9.84
1978-08-31 9.36
1978-09-30 9.26
1978-10-31 10.29
1978-11-30 11.85
1978-12-31 12.07
1979-01-31 12.37
1979-02-28 12.89
1979-03-31 11.68
1979-04-30 11.52
1979-05-31 11.56
1979-06-30 12.93
1979-07-31 13.71
1979-08-31 13.8
1979-09-30 14.07
1979-10-31 14.05
1979-11-30 16.04
1979-12-31 16.63
1980-01-31 16.7
1980-02-29 17.4
1980-03-31 17.57
1980-04-30 17.08
1980-05-31 16.58
1980-06-30 16.29
1980-07-31 15.18
1980-08-31 15.72
1980-09-30 15.24
1980-10-31 15.28
1980-11-30 15.13
1980-12-31 14.03
1981-01-31 13.46
1981-02-28 12.31
1981-03-31 11.7
1981-04-30 11.54
1981-05-31 11.56
1981-06-30 12.13
1981-07-31 13.27
1981-08-31 13.55
1981-09-30 14.16
1981-10-31 15.53
1981-11-30 14.25
1981-12-31 14.56
1982-01-31 14.39
1982-02-28 13.68
1982-03-31 12.68
1982-04-30 12.99
1982-05-31 12.69
1982-06-30 12.36
1982-07-31 11.72
1982-08-31 10.56
1982-09-30 10.12
1982-10-31 9.33
1982-11-30 8.94
1982-12-31 10.12
1983-01-31 10.68
1983-02-28 10.89
1983-03-31 10.53
1983-04-30 9.89
1983-05-31 9.84
1983-06-30 9.54
1983-07-31 9.46
1983-08-31 9.44
1983-09-30 9.24
1983-10-31 8.91
1983-11-30 8.89
1983-12-31 8.9
1984-01-31 8.92
1984-02-29 8.88
1984-03-31 8.45
1984-04-30 8.41
1984-05-31 9.03
1984-06-30 9.02
1984-07-31 11.03
1984-08-31 10.48
1984-09-30 10.13
1984-10-31 10.06
1984-11-30 9.34
1984-12-31 9.15
1985-01-31 11.06
1985-02-28 13.23
1985-03-31 13.1
1985-04-30 12.15
1985-05-31 12
1985-06-30 11.94
1985-07-31 11.51
1985-08-31 11.04
1985-09-30 11.11
1985-10-31 11.12
1985-11-30 11.14
1985-12-31 11.2
1986-01-31 12.23
1986-02-28 12.15
1986-03-31 11.36
1986-04-30 10.19
1986-05-31 9.84
1986-06-30 9.43
1986-07-31 9.59
1986-08-31 9.5
1986-09-30 9.77
1986-10-31 10.58
1986-11-30 10.68
1986-12-31 10.7
1987-01-31 10.63
1987-02-28 10.46
1987-03-31 9.6
1987-04-30 9.46
1987-05-31 8.56
1987-06-30 8.62
1987-07-31 8.85
1987-08-31 9.71
1987-09-30 9.81
1987-10-31 9.62
1987-11-30 8.63
1987-12-31 8.35
1988-01-31 8.42
1988-02-29 8.88
1988-03-31 8.51
1988-04-30 7.9
1988-05-31 7.63
1988-06-30 8.63
1988-07-31 10.15
1988-08-31 10.92
1988-09-30 11.7
1988-10-31 11.61
1988-11-30 11.81
1988-12-31 12.63
1989-01-31 12.58
1989-02-28 12.54
1989-03-31 12.56
1989-04-30 12.66
1989-05-31 12.7
1989-06-30 13.65
1989-07-31 13.41
1989-08-31 13.36
1989-09-30 13.54
1989-10-31 14.41
1989-11-30 14.54
1989-12-31 14.37
1990-01-31 14.55
1990-02-28 14.53
1990-03-31 14.67
1990-04-30 14.63
1990-05-31 14.54
1990-06-30 14.4
1990-07-31 14.33
1990-08-31 14.34
1990-09-30 14.31
1990-10-31 13.4
1990-11-30 13.1
1990-12-31 13.14
1991-01-31 13.34
1991-02-28 12.55
1991-03-31 11.75
1991-04-30 11.44
1991-05-31 11.05
1991-06-30 10.78
1991-07-31 10.61
1991-08-31 10.39
1991-09-30 9.85
1991-10-31 10.02
1991-11-30 10.09
1991-12-31 10.21
1992-01-31 10.08
1992-02-29 9.87
1992-03-31 10.14
1992-04-30 10.18
1992-05-31 9.56
1992-06-30 9.52
1992-07-31 9.59
1992-08-31 9.8
1992-09-30 9.43
1992-10-31 7.78
1992-11-30 6.7
1992-12-31 6.69
1993-01-31 6.43
1993-02-28 5.59
1993-03-31 5.62
1993-04-30 5.66
1993-05-31 5.67
1993-06-30 5.62
1993-07-31 5.63
1993-08-31 5.59
1993-09-30 5.58
1993-10-31 5.5
1993-11-30 5.31
1993-12-31 5.04
1994-01-31 5.07
1994-02-28 4.95
1994-03-31 4.9
1994-04-30 4.93
1994-05-31 4.92
1994-06-30 4.94
1994-07-31 5.01
1994-08-31 5.44
1994-09-30 5.54
1994-10-31 5.74
1994-11-30 5.89
1994-12-31 6.12
1995-01-31 6.41
1995-02-28 6.54
1995-03-31 6.4
1995-04-30 6.44
1995-05-31 6.54
1995-06-30 6.44
1995-07-31 6.66
1995-08-31 6.64
1995-09-30 6.55
1995-10-31 6.58
1995-11-30 6.49
1995-12-31 6.29
1996-01-31 6.18
1996-02-29 6
1996-03-31 5.87
1996-04-30 5.83
1996-05-31 5.85
1996-06-30 5.66
1996-07-31 5.57
1996-08-31 5.6
1996-09-30 5.63
1996-10-31 5.76
1996-11-30 6.1
1996-12-31 6.18
1997-01-31 6.15
1997-02-28 5.99
1997-03-31 6.01
1997-04-30 6.26
1997-05-31 6.31
1997-06-30 6.5
1997-07-31 6.8
1997-08-31 6.95
1997-09-30 7.02
1997-10-31 7.1
1997-11-30 7.27
1997-12-31 7.31
1998-01-31 7.28
1998-02-28 7.24
1998-03-31 7.25
1998-04-30 7.24
1998-05-31 7.2
1998-06-30 7.42
1998-07-31 7.49
1998-08-31 7.4
1998-09-30 7.2
1998-10-31 6.91
1998-11-30 6.52
1998-12-31 6.05
1999-01-31 5.63
1999-02-28 5.28
1999-03-31 5.11
1999-04-30 5.02
1999-05-31 5.08
1999-06-30 4.94
1999-07-31 4.89
1999-08-31 4.94
1999-09-30 5.16
1999-10-31 5.42
1999-11-30 5.43
1999-12-31 5.59
2000-01-31 5.9
2000-02-29 6.01
2000-03-31 5.98
2000-04-30 6.05
2000-05-31 6.09
2000-06-30 6.03
2000-07-31 5.97
2000-08-31 5.97
2000-09-30 5.95
2000-10-31 5.92
2000-11-30 5.88
2000-12-31 5.78
2001-01-31 5.64
2001-02-28 5.56
2001-03-31 5.37
2001-04-30 5.21
2001-05-31 5.06
2001-06-30 5.08
2001-07-31 5.07
2001-08-31 4.82
2001-09-30 4.57
2001-10-31 4.26
2001-11-30 3.85
2001-12-31 3.88
2002-01-31 3.91
2002-02-28 3.92
2002-03-31 3.99
2002-04-30 4.04
2002-05-31 4.01
2002-06-30 4.04
2002-07-31 3.94
2002-08-31 3.86
2002-09-30 3.86
2002-10-31 3.82
2002-11-30 3.84
2002-12-31 3.71
2003-01-31 3.87
2003-02-28 3.65
2003-03-31 3.54
2003-04-30 3.52
2003-05-31 3.52
2003-06-30 3.45
2003-07-31 3.39
2003-08-31 3.42
2003-09-30 3.59
2003-10-31 3.69
2003-11-30 3.88
2003-12-31 3.9
2004-01-31 3.94
2004-02-29 4.06
2004-03-31 4.19
2004-04-30 4.28
2004-05-31 4.42
2004-06-30 4.68
2004-07-31 4.75
2004-08-31 4.85
2004-09-30 4.83
2004-10-31 4.79
2004-11-30 4.78
2004-12-31 4.77
2005-01-31 4.75
2005-02-28 4.78
2005-03-31 4.88
2005-04-30 4.84
2005-05-31 4.8
2005-06-30 4.76
2005-07-31 4.57
2005-08-31 4.51