Jan-60	3.99
Feb-60	3.97
Mar-60	3.84
Apr-60	3.92
May-60	3.85
Jun-60	3.32
Jul-60	3.23
Aug-60	2.98
Sep-60	2.6
Oct-60	2.47
Nov-60	2.44
Dec-60	1.98
Jan-61	1.45
Feb-61	2.54
Mar-61	2.02
Apr-61	1.49
May-61	1.98
Jun-61	1.73
Jul-61	1.17
Aug-61	2
Sep-61	1.88
Oct-61	2.26
Nov-61	2.61
Dec-61	2.33
Jan-62	2.15
Feb-62	2.37
Mar-62	2.85
Apr-62	2.78
May-62	2.36
Jun-62	2.68
Jul-62	2.71
Aug-62	2.93
Sep-62	2.9
Oct-62	2.9
Nov-62	2.94
Dec-62	2.93
Jan-63	2.92
Feb-63	3
Mar-63	2.98
Apr-63	2.9
May-63	3
Jun-63	2.99
Jul-63	3.02
Aug-63	3.49
Sep-63	3.48
Oct-63	3.5
Nov-63	3.48
Dec-63	3.38
Jan-64	3.48
Feb-64	3.48
Mar-64	3.43
Apr-64	3.47
May-64	3.5
Jun-64	3.5
Jul-64	3.42
Aug-64	3.5
Sep-64	3.45
Oct-64	3.36
Nov-64	3.52
Dec-64	3.85
Jan-65	3.9
Feb-65	3.98
Mar-65	4.04
Apr-65	4.09
May-65	4.1
Jun-65	4.04
Jul-65	4.09
Aug-65	4.12
Sep-65	4.01
Oct-65	4.08
Nov-65	4.1
Dec-65	4.32
Jan-66	4.42
Feb-66	4.6
Mar-66	4.65
Apr-66	4.67
May-66	4.9
Jun-66	5.17
Jul-66	5.3
Aug-66	5.53
Sep-66	5.4
Oct-66	5.53
Nov-66	5.76
Dec-66	5.4
Jan-67	4.94
Feb-67	5
Mar-67	4.53
Apr-67	4.05
May-67	3.94
Jun-67	3.98
Jul-67	3.79
Aug-67	3.9
Sep-67	3.99
Oct-67	3.88
Nov-67	4.13
Dec-67	4.51
Jan-68	4.6
Feb-68	4.71
Mar-68	5.05
Apr-68	5.76
May-68	6.11
Jun-68	6.07
Jul-68	6.02
Aug-68	6.03
Sep-68	5.78
Oct-68	5.91
Nov-68	5.82
Dec-68	6.02
Jan-69	6.3
Feb-69	6.61
Mar-69	6.79
Apr-69	7.41
May-69	8.67
Jun-69	8.9
Jul-69	8.61
Aug-69	9.19
Sep-69	9.15
Oct-69	9
Nov-69	8.85
Dec-69	8.97
Jan-70	8.98
Feb-70	8.98
Mar-70	7.76
Apr-70	8.1
May-70	7.94
Jun-70	7.6
Jul-70	7.21
Aug-70	6.61
Sep-70	6.29
Oct-70	6.2
Nov-70	5.6
Dec-70	4.9
Jan-71	4.14
Feb-71	3.72
Mar-71	3.71
Apr-71	4.15
May-71	4.63
Jun-71	4.91
Jul-71	5.31
Aug-71	5.56
Sep-71	5.55
Oct-71	5.2
Nov-71	4.91
Dec-71	4.14
Jan-72	3.5
Feb-72	3.29
Mar-72	3.83
Apr-72	4.17
May-72	4.27
Jun-72	4.46
Jul-72	4.55
Aug-72	4.8
Sep-72	4.87
Oct-72	5.04
Nov-72	5.06
Dec-72	5.33
Jan-73	5.94
Feb-73	6.58
Mar-73	7.09
Apr-73	7.12
May-73	7.84
Jun-73	8.49
Jul-73	10.4
Aug-73	10.5
Sep-73	10.78
Oct-73	10.01
Nov-73	10.03
Dec-73	9.95
Jan-74	9.65
Feb-74	8.97
Mar-74	9.35
Apr-74	10.51
May-74	11.31
Jun-74	11.93
Jul-74	12.92
Aug-74	12.01
Sep-74	11.34
Oct-74	10.06
Nov-74	9.45
Dec-74	8.53
Jan-75	7.13
Feb-75	6.24
Mar-75	5.54
Apr-75	5.49
May-75	5.22
Jun-75	5.55
Jul-75	6.1
Aug-75	6.14
Sep-75	6.24
Oct-75	5.82
Nov-75	5.22
Dec-75	5.2
Jan-76	4.87
Feb-76	4.77
Mar-76	4.84
Apr-76	4.82
May-76	5.29
Jun-76	5.48
Jul-76	5.31
Aug-76	5.29
Sep-76	5.25
Oct-76	5.02
Nov-76	4.95
Dec-76	4.65
Jan-77	4.61
Feb-77	4.68
Mar-77	4.69
Apr-77	4.73
May-77	5.35
Jun-77	5.39
Jul-77	5.42
Aug-77	5.9
Sep-77	6.14
Oct-77	6.47
Nov-77	6.51
Dec-77	6.56
Jan-78	6.7
Feb-78	6.78
Mar-78	6.79
Apr-78	6.89
May-78	7.36
Jun-78	7.6
Jul-78	7.81
Aug-78	8.04
Sep-78	8.45
Oct-78	8.96
Nov-78	9.76
Dec-78	10.03
Jan-79	10.07
Feb-79	10.06
Mar-79	10.09
Apr-79	10.01
May-79	10.24
Jun-79	10.29
Jul-79	10.47
Aug-79	10.94
Sep-79	11.43
Oct-79	13.77
Nov-79	13.18
Dec-79	13.78
Jan-80	13.82
Feb-80	14.13
Mar-80	17.19
Apr-80	17.61
May-80	10.98
Jun-80	9.47
Jul-80	9.03
Aug-80	9.61
Sep-80	10.87
Oct-80	12.81
Nov-80	15.85
Dec-80	18.9
Jan-81	19.08
Feb-81	15.93
Mar-81	14.7
Apr-81	15.72
May-81	18.52
Jun-81	19.1
Jul-81	19.04
Aug-81	17.82
Sep-81	15.87
Oct-81	15.08
Nov-81	13.31
Dec-81	12.37
Jan-82	13.22
Feb-82	14.78
Mar-82	14.68
Apr-82	14.94
May-82	14.45
Jun-82	14.15
Jul-82	12.59
Aug-82	10.12
Sep-82	10.31
Oct-82	9.71
Nov-82	9.2
Dec-82	8.95
Jan-83	8.68
Feb-83	8.51
Mar-83	8.77
Apr-83	8.8
May-83	8.63
Jun-83	8.98
Jul-83	9.37
Aug-83	9.56
Sep-83	9.45
Oct-83	9.48
Nov-83	9.34
Dec-83	9.47
Jan-84	9.56
Feb-84	9.59
Mar-84	9.91
Apr-84	10.29
May-84	10.32
Jun-84	11.06
Jul-84	11.23
Aug-84	11.64
Sep-84	11.3
Oct-84	9.99
Nov-84	9.43
Dec-84	8.38
Jan-85	8.35
Feb-85	8.5
Mar-85	8.58
Apr-85	8.27
May-85	7.97
Jun-85	7.53
Jul-85	7.88
Aug-85	7.9
Sep-85	7.92
Oct-85	7.99
Nov-85	8.05
Dec-85	8.27
Jan-86	8.14
Feb-86	7.86
Mar-86	7.48
Apr-86	6.99
May-86	6.85
Jun-86	6.92
Jul-86	6.56
Aug-86	6.17
Sep-86	5.89
Oct-86	5.85
Nov-86	6.04
Dec-86	6.91
Jan-87	6.43
Feb-87	6.1
Mar-87	6.13
Apr-87	6.37
May-87	6.85
Jun-87	6.73
Jul-87	6.58
Aug-87	6.73
Sep-87	7.22
Oct-87	7.29
Nov-87	6.69
Dec-87	6.77
Jan-88	6.83
Feb-88	6.58
Mar-88	6.58
Apr-88	6.87
May-88	7.09
Jun-88	7.51
Jul-88	7.75
Aug-88	8.01
Sep-88	8.19
Oct-88	8.3
Nov-88	8.35
Dec-88	8.76
Jan-89	9.12
Feb-89	9.36
Mar-89	9.85
Apr-89	9.84
May-89	9.81
Jun-89	9.53
Jul-89	9.24
Aug-89	8.99
Sep-89	9.02
Oct-89	8.84
Nov-89	8.55
Dec-89	8.45
Jan-90	8.23
Feb-90	8.24
Mar-90	8.28
Apr-90	8.26
May-90	8.18
Jun-90	8.29
Jul-90	8.15
Aug-90	8.13
Sep-90	8.2
Oct-90	8.11
Nov-90	7.81
Dec-90	7.31
Jan-91	6.91
Feb-91	6.25
Mar-91	6.12
Apr-91	5.91
May-91	5.78
Jun-91	5.9
Jul-91	5.82
Aug-91	5.66
Sep-91	5.45
Oct-91	5.21
Nov-91	4.81
Dec-91	4.43
Jan-92	4.03
Feb-92	4.06
Mar-92	3.98
Apr-92	3.73
May-92	3.82
Jun-92	3.76
Jul-92	3.25
Aug-92	3.3
Sep-92	3.22
Oct-92	3.1
Nov-92	3.09
Dec-92	2.92
Jan-93	3.02
Feb-93	3.03
Mar-93	3.07
Apr-93	2.96
May-93	3
Jun-93	3.04
Jul-93	3.06
Aug-93	3.03
Sep-93	3.09
Oct-93	2.99
Nov-93	3.02
Dec-93	2.96
Jan-94	3.05
Feb-94	3.25
Mar-94	3.34
Apr-94	3.56
May-94	4.01
Jun-94	4.25
Jul-94	4.26
Aug-94	4.47
Sep-94	4.73
Oct-94	4.76
Nov-94	5.29
Dec-94	5.45
Jan-95	5.53
Feb-95	5.92
Mar-95	5.98
Apr-95	6.05
May-95	6.01
Jun-95	6
Jul-95	5.85
Aug-95	5.74
Sep-95	5.8
Oct-95	5.76
Nov-95	5.8
Dec-95	5.6
Jan-96	5.56
Feb-96	5.22
Mar-96	5.31
Apr-96	5.22
May-96	5.24
Jun-96	5.27
Jul-96	5.4
Aug-96	5.22
Sep-96	5.3
Oct-96	5.24
Nov-96	5.31
Dec-96	5.29
Jan-97	5.25
Feb-97	5.19
Mar-97	5.39
Apr-97	5.51
May-97	5.5
Jun-97	5.56
Jul-97	5.52
Aug-97	5.54
Sep-97	5.54
Oct-97	5.5
Nov-97	5.52
Dec-97	5.5
Jan-98	5.56
Feb-98	5.51
Mar-98	5.49
Apr-98	5.45
May-98	5.49
Jun-98	5.56
Jul-98	5.54
Aug-98	5.55
Sep-98	5.51
Oct-98	5.07
Nov-98	4.83
Dec-98	4.68
Jan-99	4.63
Feb-99	4.76
Mar-99	4.81
Apr-99	4.74
May-99	4.74
Jun-99	4.76
Jul-99	4.99
Aug-99	5.07
Sep-99	5.22
Oct-99	5.2
Nov-99	5.42
Dec-99	5.3
Jan-00	5.45
Feb-00	5.73
Mar-00	5.85
Apr-00	6.02
May-00	6.27
Jun-00	6.53
Jul-00	6.54
Aug-00	6.5
Sep-00	6.52
Oct-00	6.51
Nov-00	6.51
Dec-00	6.4
Jan-01	5.98
Feb-01	5.49
Mar-01	5.31
Apr-01	4.8
May-01	4.21
Jun-01	3.97
Jul-01	3.77
Aug-01	3.65
Sep-01	3.07
Oct-01	2.49
Nov-01	2.09
Dec-01	1.82
Jan-02	1.73
Feb-02	1.74
Mar-02	1.73
Apr-02	1.75
May-02	1.75
Jun-02	1.75
Jul-02	1.73
Aug-02	1.74
Sep-02	1.75
Oct-02	1.75
Nov-02	1.34
Dec-02	1.24
Jan-03	1.24
Feb-03	1.26
Mar-03	1.25
Apr-03	1.26
May-03	1.26
Jun-03	1.22
Jul-03	1.01
Aug-03	1.03
Sep-03	1.01
Oct-03	1.01
Nov-03	1
Dec-03	0.98
Jan-04	1
Feb-04	1.01
Mar-04	1
Apr-04	1
May-04	1
Jun-04	1.03
Jul-04	1.26
Aug-04	1.43
Sep-04	1.61
Oct-04	1.76
Nov-04	1.93
Dec-04	2.16
Jan-05	2.28
Feb-05	2.5
Mar-05	2.63
Apr-05	2.79
May-05	3
Jun-05	3.04
Jul-05	3.26
Aug-05	3.5
Sep-05	3.62
Oct-05	3.78
Nov-05	4
Dec-05	4.16
Jan-06	4.29
Feb-06	4.49
Mar-06	4.59
Apr-06	4.79
May-06	4.94
Jun-06	4.99
Jul-06	5.24
Aug-06	5.25
Sep-06	5.25
Oct-06	5.25
Nov-06	5.25
Dec-06	5.24
Jan-07	5.25
Feb-07	5.26
Mar-07	5.26
Apr-07	5.25
May-07	5.25
Jun-07	5.25
Jul-07	5.26
Aug-07	5.02
Sep-07	4.94
Oct-07	4.76
Nov-07	4.49
Dec-07	4.24
Jan-08	3.94
Feb-08	2.98
Mar-08	2.61
Apr-08	2.28
May-08	1.98
Jun-08	2
Jul-08	2.01
Aug-08	2
Sep-08	1.81
Oct-08	0.97
Nov-08	0.39
Dec-08	0.16