1982/01/01	6.59
1982/01/02	6.59
1982/01/03	6.59
1982/01/04	6.49
1982/01/05	6.38
1982/01/06	6.38
1982/01/07	6.17
1982/01/08	5.96
1982/01/09	5.96
1982/01/10	5.96
1982/01/11	5.86
1982/01/12	5.75
1982/01/13	5.75
1982/01/14	5.65
1982/01/15	5.65
1982/01/16	5.65
1982/01/17	5.65
1982/01/18	5.65
1982/01/19	5.55
1982/01/20	5.55
1982/01/21	5.44
1982/01/22	5.44
1982/01/23	5.34
1982/01/24	5.34
1982/01/25	5.23
1982/01/26	5.23
1982/01/27	5.23
1982/01/28	5.12
1982/01/29	5.02
1982/01/30	4.91
1982/01/31	4.81
1982/02/01	4.81
1982/02/02	4.71
1982/02/03	4.60
1982/02/04	4.42
1982/02/05	4.24
1982/02/06	4.24
1982/02/07	4.24
1982/02/08	4.24
1982/02/09	4.24
1982/02/10	4.15
1982/02/11	4.06
1982/02/12	4.06
1982/02/13	3.97
1982/02/14	3.88
1982/02/15	3.79
1982/02/16	3.79
1982/02/17	3.70
1982/02/18	3.70
1982/02/19	3.61
1982/02/20	3.52
1982/02/21	3.34
1982/02/22	3.25
1982/02/23	3.25
1982/02/24	3.79
1982/02/25	4.15
1982/02/26	3.97
1982/02/27	3.88
1982/02/28	3.88
1982/03/01	3.79
1982/03/02	3.79
1982/03/03	3.70
1982/03/04	3.70
1982/03/05	3.70
1982/03/06	3.61
1982/03/07	3.61
1982/03/08	3.52
1982/03/09	3.43
1982/03/10	3.43
1982/03/11	3.43
1982/03/12	3.34
1982/03/13	3.34
1982/03/14	3.25
1982/03/15	3.16
1982/03/16	3.16
1982/03/17	2.98
1982/03/18	2.80
1982/03/19	2.80
1982/03/20	2.80
1982/03/21	2.72
1982/03/22	2.72
1982/03/23	2.64
1982/03/24	2.64
1982/03/25	2.56
1982/03/26	2.80
1982/03/27	3.25
1982/03/28	4.33
1982/03/29	4.42
1982/03/30	5.86
1982/03/31	5.34
1982/04/01	5.44
1982/04/02	4.60
1982/04/03	4.15
1982/04/04	3.79
1982/04/05	3.70
1982/04/06	3.61
1982/04/07	3.52
1982/04/08	3.61
1982/04/09	5.44
1982/04/10	5.23
1982/04/11	4.60
1982/04/12	4.42
1982/04/13	6.17
1982/04/14	5.23
1982/04/15	9.31
1982/04/16	7.95
1982/04/17	5.86
1982/04/18	4.51
1982/04/19	8.40
1982/04/20	5.44
1982/04/21	6.59
1982/04/22	9.42
1982/04/23	4.81
1982/04/24	3.79
1982/04/25	3.52
1982/04/26	3.43
1982/04/27	3.34
1982/04/28	3.25
1982/04/29	2.89
1982/04/30	2.80
1982/05/01	2.72
1982/05/02	2.72
1982/05/03	2.72
1982/05/04	2.56
1982/05/05	2.24
1982/05/06	2.08
1982/05/07	5.44
1982/05/08	3.52
1982/05/09	2.56
1982/05/10	3.25
1982/05/11	4.06
1982/05/12	3.52
1982/05/13	2.98
1982/05/14	2.89
1982/05/15	2.80
1982/05/16	3.79
1982/05/17	8.06
1982/05/18	4.42
1982/05/19	4.42
1982/05/20	14.99
1982/05/21	38.24
1982/05/22	16.88
1982/05/23	14.86
1982/05/24	14.21
1982/05/25	9.31
1982/05/26	8.06
1982/05/27	7.27
1982/05/28	5.44
1982/05/29	4.06
1982/05/30	8.85
1982/05/31	29.48
1982/06/01	16.88
1982/06/02	14.47
1982/06/03	11.87
1982/06/04	11.48
1982/06/05	11.61
1982/06/06	7.83
1982/06/07	3.79
1982/06/08	33.16
1982/06/09	42.00
1982/06/10	29.32
1982/06/11	23.85
1982/06/12	17.30
1982/06/13	13.04
1982/06/14	10.98
1982/06/15	9.99
1982/06/16	9.08
1982/06/17	8.51
1982/06/18	8.29
1982/06/19	8.06
1982/06/20	8.85
1982/06/21	8.85
1982/06/22	8.85
1982/06/23	8.29
1982/06/24	7.83
1982/06/25	8.51
1982/06/26	7.49
1982/06/27	9.19
1982/06/28	14.60
1982/06/29	13.43
1982/06/30	10.35
1982/07/01	10.98
1982/07/02	14.08
1982/07/03	13.82
1982/07/04	13.17
1982/07/05	13.17
1982/07/06	12.00
1982/07/07	10.23
1982/07/08	9.99
1982/07/09	9.76
1982/07/10	10.60
1982/07/11	11.87
1982/07/12	12.78
1982/07/13	10.10
1982/07/14	8.85
1982/07/15	8.51
1982/07/16	8.74
1982/07/17	6.93
1982/07/18	9.31
1982/07/19	9.53
1982/07/20	12.78
1982/07/21	13.43
1982/07/22	15.93
1982/07/23	20.66
1982/07/24	23.27
1982/07/25	18.56
1982/07/26	16.88
1982/07/27	13.43
1982/07/28	12.13
1982/07/29	11.23
1982/07/30	11.35
1982/07/31	10.85
1982/08/01	11.35
1982/08/02	11.87
1982/08/03	13.69
1982/08/04	10.23
1982/08/05	9.08
1982/08/06	8.51
1982/08/07	8.85
1982/08/08	11.48
1982/08/09	11.74
1982/08/10	12.52
1982/08/11	12.91
1982/08/12	14.08
1982/08/13	15.79
1982/08/14	18.00
1982/08/15	14.99
1982/08/16	18.28
1982/08/17	39.43
1982/08/18	36.88
1982/08/19	29.00
1982/08/20	39.94
1982/08/21	58.70
1982/08/22	44.63
1982/08/23	36.04
1982/08/24	29.48
1982/08/25	48.40
1982/08/26	58.30
1982/08/27	58.30
1982/08/28	49.66
1982/08/29	39.43
1982/08/30	39.77
1982/08/31	34.92
1982/09/01	30.12
1982/09/02	37.56
1982/09/03	38.75
1982/09/04	32.52
1982/09/05	36.54
1982/09/06	57.90
1982/09/07	65.63
1982/09/08	147.80
1982/09/09	198.50
1982/09/10	216.00
1982/09/11	189.50
1982/09/12	164.30
1982/09/13	135.64
1982/09/14	102.09
1982/09/15	81.12
1982/09/16	68.86
1982/09/17	61.90
1982/09/18	65.63
1982/09/19	61.90
1982/09/20	62.10
1982/09/21	46.78
1982/09/22	39.43
1982/09/23	38.24
1982/09/24	66.49
1982/09/25	117.00
1982/09/26	137.76
1982/09/27	136.70
1982/09/28	128.12
1982/09/29	112.50
1982/09/30	102.09
1982/10/01	93.84
1982/10/02	84.91
1982/10/03	81.86
1982/10/04	86.19
1982/10/05	76.57
1982/10/06	66.49
1982/10/07	70.58
1982/10/08	56.75
1982/10/09	56.56
1982/10/10	61.50
1982/10/11	68.22
1982/10/12	62.30
1982/10/13	51.46
1982/10/14	45.34
1982/10/15	40.79
1982/10/16	37.22
1982/10/17	34.76
1982/10/18	32.84
1982/10/19	30.92
1982/10/20	31.72
1982/10/21	36.88
1982/10/22	32.04
1982/10/23	31.24
1982/10/24	33.96
1982/10/25	48.40
1982/10/26	52.57
1982/10/27	58.10
1982/10/28	47.32
1982/10/29	39.60
1982/10/30	33.48
1982/10/31	29.64
1982/11/01	27.45
1982/11/02	25.80
1982/11/03	24.30
1982/11/04	23.41
1982/11/05	22.83
1982/11/06	22.25
1982/11/07	21.38
1982/11/08	20.66
1982/11/09	20.10
1982/11/10	19.26
1982/11/11	17.44
1982/11/12	16.46
1982/11/13	16.06
1982/11/14	20.52
1982/11/15	33.64
1982/11/16	20.10
1982/11/17	17.16
1982/11/18	16.20
1982/11/19	15.79
1982/11/20	15.25
1982/11/21	14.34
1982/11/22	13.69
1982/11/23	13.43
1982/11/24	12.91
1982/11/25	12.78
1982/11/26	12.65
1982/11/27	12.52
1982/11/28	12.39
1982/11/29	12.13
1982/11/30	11.74
1982/12/01	13.30
1982/12/02	16.33
1982/12/03	13.95
1982/12/04	13.17
1982/12/05	12.39
1982/12/06	11.61
1982/12/07	11.10
1982/12/08	10.98
1982/12/09	10.60
1982/12/10	10.48
1982/12/11	10.35
1982/12/12	10.23
1982/12/13	9.99
1982/12/14	9.65
1982/12/15	9.53
1982/12/16	9.42
1982/12/17	9.31
1982/12/18	9.19
1982/12/19	8.97
1982/12/20	8.85
1982/12/21	8.74
1982/12/22	8.63
1982/12/23	8.63
1982/12/24	8.63
1982/12/25	8.51
1982/12/26	8.40
1982/12/27	8.29
1982/12/28	8.17
1982/12/29	8.06
1982/12/30	8.06
1982/12/31	7.83
#===========================================
# Number of observations = 365 / 365
# Average = 20.99