1980/01/01	-9999
1980/01/02	-9999
1980/01/03	-9999
1980/01/04	-9999
1980/01/05	-9999
1980/01/06	-9999
1980/01/07	-9999
1980/01/08	-9999
1980/01/09	-9999
1980/01/10	-9999
1980/01/11	-9999
1980/01/12	-9999
1980/01/13	-9999
1980/01/14	-9999
1980/01/15	-9999
1980/01/16	-9999
1980/01/17	-9999
1980/01/18	-9999
1980/01/19	-9999
1980/01/20	-9999
1980/01/21	-9999
1980/01/22	-9999
1980/01/23	-9999
1980/01/24	-9999
1980/01/25	-9999
1980/01/26	-9999
1980/01/27	-9999
1980/01/28	-9999
1980/01/29	-9999
1980/01/30	-9999
1980/01/31	-9999
1980/02/01	-9999
1980/02/02	-9999
1980/02/03	-9999
1980/02/04	-9999
1980/02/05	-9999
1980/02/06	-9999
1980/02/07	-9999
1980/02/08	-9999
1980/02/09	-9999
1980/02/10	-9999
1980/02/11	-9999
1980/02/12	-9999
1980/02/13	-9999
1980/02/14	-9999
1980/02/15	-9999
1980/02/16	-9999
1980/02/17	-9999
1980/02/18	-9999
1980/02/19	-9999
1980/02/20	-9999
1980/02/21	-9999
1980/02/22	-9999
1980/02/23	-9999
1980/02/24	-9999
1980/02/25	-9999
1980/02/26	-9999
1980/02/27	-9999
1980/02/28	-9999
1980/02/29	-9999
1980/03/01	-9999
1980/03/02	-9999
1980/03/03	-9999
1980/03/04	-9999
1980/03/05	-9999
1980/03/06	-9999
1980/03/07	-9999
1980/03/08	-9999
1980/03/09	-9999
1980/03/10	-9999
1980/03/11	-9999
1980/03/12	-9999
1980/03/13	-9999
1980/03/14	-9999
1980/03/15	-9999
1980/03/16	-9999
1980/03/17	-9999
1980/03/18	-9999
1980/03/19	-9999
1980/03/20	-9999
1980/03/21	-9999
1980/03/22	-9999
1980/03/23	-9999
1980/03/24	-9999
1980/03/25	-9999
1980/03/26	-9999
1980/03/27	-9999
1980/03/28	-9999
1980/03/29	-9999
1980/03/30	-9999
1980/03/31	-9999
1980/04/01	2.58
1980/04/02	2.48
1980/04/03	2.48
1980/04/04	2.48
1980/04/05	2.48
1980/04/06	2.48
1980/04/07	2.48
1980/04/08	2.53
1980/04/09	2.53
1980/04/10	2.53
1980/04/11	2.53
1980/04/12	2.53
1980/04/13	2.48
1980/04/14	2.48
1980/04/15	2.48
1980/04/16	2.48
1980/04/17	2.48
1980/04/18	2.48
1980/04/19	2.48
1980/04/20	2.48
1980/04/21	2.48
1980/04/22	2.48
1980/04/23	2.48
1980/04/24	2.48
1980/04/25	2.48
1980/04/26	2.48
1980/04/27	2.48
1980/04/28	2.48
1980/04/29	2.48
1980/04/30	2.48
1980/05/01	2.43
1980/05/02	2.38
1980/05/03	2.53
1980/05/04	2.53
1980/05/05	2.53
1980/05/06	2.53
1980/05/07	2.58
1980/05/08	2.58
1980/05/09	2.58
1980/05/10	2.78
1980/05/11	2.63
1980/05/12	2.58
1980/05/13	2.58
1980/05/14	2.58
1980/05/15	2.58
1980/05/16	2.53
1980/05/17	2.53
1980/05/18	2.53
1980/05/19	2.53
1980/05/20	2.53
1980/05/21	2.63
1980/05/22	2.68
1980/05/23	2.78
1980/05/24	13.53
1980/05/25	28.43
1980/05/26	17.40
1980/05/27	15.86
1980/05/28	18.07
1980/05/29	40.37
1980/05/30	45.12
1980/05/31	30.28
1980/06/01	19.60
1980/06/02	17.49
1980/06/03	16.53
1980/06/04	17.11
1980/06/05	16.92
1980/06/06	16.92
1980/06/07	17.01
1980/06/08	17.01
1980/06/09	16.92
1980/06/10	16.53
1980/06/11	15.67
1980/06/12	15.86
1980/06/13	18.93
1980/06/14	26.47
1980/06/15	39.15
1980/06/16	47.65
1980/06/17	55.47
1980/06/18	57.31
1980/06/19	58.00
1980/06/20	58.84
1980/06/21	68.64
1980/06/22	85.37
1980/06/23	99.27
1980/06/24	112.32
1980/06/25	111.91
1980/06/26	101.49
1980/06/27	84.38
1980/06/28	61.92
1980/06/29	56.39
1980/06/30	46.50
1980/07/01	30.28
1980/07/02	20.93
1980/07/03	18.36
1980/07/04	16.92
1980/07/05	15.86
1980/07/06	14.90
1980/07/07	14.81
1980/07/08	15.09
1980/07/09	15.28
1980/07/10	15.86
1980/07/11	16.72
1980/07/12	17.11
1980/07/13	16.72
1980/07/14	16.15
1980/07/15	15.96
1980/07/16	15.86
1980/07/17	15.38
1980/07/18	15.09
1980/07/19	15.19
1980/07/20	16.15
1980/07/21	17.11
1980/07/22	18.74
1980/07/23	25.60
1980/07/24	36.36
1980/07/25	41.41
1980/07/26	41.59
1980/07/27	48.11
1980/07/28	55.01
1980/07/29	68.36
1980/07/30	84.38
1980/07/31	88.67
1980/08/01	86.69
1980/08/02	82.73
1980/08/03	75.14
1980/08/04	69.53
1980/08/05	70.19
1980/08/06	70.85
1980/08/07	62.20
1980/08/08	42.28
1980/08/09	24.87
1980/08/10	19.03
1980/08/11	18.07
1980/08/12	17.20
1980/08/13	16.34
1980/08/14	15.76
1980/08/15	15.19
1980/08/16	15.00
1980/08/17	15.09
1980/08/18	15.38
1980/08/19	16.44
1980/08/20	23.51
1980/08/21	34.61
1980/08/22	43.68
1980/08/23	45.35
1980/08/24	47.19
1980/08/25	55.70
1980/08/26	66.40
1980/08/27	75.47
1980/08/28	77.12
1980/08/29	68.64
1980/08/30	53.40
1980/08/31	42.28
1980/09/01	39.15
1980/09/02	49.26
1980/09/03	59.40
1980/09/04	65.84
1980/09/05	72.50
1980/09/06	76.79
1980/09/07	82.40
1980/09/08	89.33
1980/09/09	117.18
1980/09/10	161.39
1980/09/11	155.51
1980/09/12	148.70
1980/09/13	141.98
1980/09/14	133.94
1980/09/15	125.89
1980/09/16	117.18
1980/09/17	102.60
1980/09/18	90.98
1980/09/19	91.64
1980/09/20	109.08
1980/09/21	143.90
1980/09/22	150.14
1980/09/23	145.34
1980/09/24	138.62
1980/09/25	130.33
1980/09/26	121.46
1980/09/27	110.70
1980/09/28	98.24
1980/09/29	88.67
1980/09/30	76.13
1980/10/01	61.08
1980/10/02	47.19
1980/10/03	40.37
1980/10/04	40.71
1980/10/05	37.23
1980/10/06	29.66
1980/10/07	26.71
1980/10/08	28.19
1980/10/09	29.54
1980/10/10	28.06
1980/10/11	25.36
1980/10/12	22.90
1980/10/13	20.44
1980/10/14	19.51
1980/10/15	18.74
1980/10/16	17.88
1980/10/17	17.78
1980/10/18	18.07
1980/10/19	18.93
1980/10/20	19.95
1980/10/21	19.60
1980/10/22	18.74
1980/10/23	17.97
1980/10/24	17.40
1980/10/25	18.07
1980/10/26	18.74
1980/10/27	18.93
1980/10/28	18.36
1980/10/29	18.16
1980/10/30	17.59
1980/10/31	17.20
1980/11/01	17.20
1980/11/02	17.78
1980/11/03	17.30
1980/11/04	16.82
1980/11/05	16.05
1980/11/06	16.05
1980/11/07	16.15
1980/11/08	16.24
1980/11/09	16.44
1980/11/10	16.82
1980/11/11	17.30
1980/11/12	17.59
1980/11/13	17.40
1980/11/14	16.92
1980/11/15	16.72
1980/11/16	16.63
1980/11/17	16.44
1980/11/18	16.24
1980/11/19	16.24
1980/11/20	16.15
1980/11/21	16.15
1980/11/22	16.05
1980/11/23	15.96
1980/11/24	15.86
1980/11/25	15.67
1980/11/26	15.76
1980/11/27	15.86
1980/11/28	15.86
1980/11/29	15.76
1980/11/30	15.67
1980/12/01	15.57
1980/12/02	15.57
1980/12/03	15.48
1980/12/04	15.38
1980/12/05	15.38
1980/12/06	15.28
1980/12/07	15.28
1980/12/08	15.19
1980/12/09	15.19
1980/12/10	15.09
1980/12/11	14.90
1980/12/12	14.90
1980/12/13	14.90
1980/12/14	14.90
1980/12/15	14.81
1980/12/16	14.81
1980/12/17	14.81
1980/12/18	14.72
1980/12/19	14.72
1980/12/20	14.64
1980/12/21	14.64
1980/12/22	14.37
1980/12/23	14.55
1980/12/24	14.64
1980/12/25	14.46
1980/12/26	14.28
1980/12/27	14.20
1980/12/28	14.11
1980/12/29	14.02
1980/12/30	13.53
1980/12/31	13.20
#===========================================
# Number of observations = 275 / 366
# Average = 32.49