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	1.46
1980/04/02	6.70
1980/04/03	4.32
1980/04/04	2.53
1980/04/05	2.70
1980/04/06	2.53
1980/04/07	5.86
1980/04/08	14.47
1980/04/09	4.51
1980/04/10	2.89
1980/04/11	2.19
1980/04/12	1.79
1980/04/13	1.59
1980/04/14	1.52
1980/04/15	1.59
1980/04/16	4.13
1980/04/17	3.18
1980/04/18	2.02
1980/04/19	1.72
1980/04/20	1.59
1980/04/21	1.46
1980/04/22	1.46
1980/04/23	1.20
1980/04/24	1.08
1980/04/25	1.08
1980/04/26	1.02
1980/04/27	2.45
1980/04/28	3.65
1980/04/29	1.85
1980/04/30	1.52
1980/05/01	1.33
1980/05/02	1.14
1980/05/03	1.02
1980/05/04	21.38
1980/05/05	12.26
1980/05/06	5.65
1980/05/07	2.36
1980/05/08	2.80
1980/05/09	2.89
1980/05/10	5.44
1980/05/11	5.86
1980/05/12	3.27
1980/05/13	16.74
1980/05/14	11.61
1980/05/15	3.46
1980/05/16	2.36
1980/05/17	1.79
1980/05/18	1.66
1980/05/19	2.62
1980/05/20	4.60
1980/05/21	5.02
1980/05/22	10.10
1980/05/23	13.69
1980/05/24	8.06
1980/05/25	5.23
1980/05/26	3.65
1980/05/27	17.02
1980/05/28	62.70
1980/05/29	23.27
1980/05/30	10.23
1980/05/31	6.38
1980/06/01	5.23
1980/06/02	4.22
1980/06/03	6.81
1980/06/04	8.06
1980/06/05	6.38
1980/06/06	5.44
1980/06/07	5.23
1980/06/08	6.93
1980/06/09	6.59
1980/06/10	5.02
1980/06/11	18.14
1980/06/12	14.47
1980/06/13	13.43
1980/06/14	30.60
1980/06/15	21.81
1980/06/16	20.52
1980/06/17	39.09
1980/06/18	61.30
1980/06/19	43.23
1980/06/20	57.90
1980/06/21	75.42
1980/06/22	77.76
1980/06/23	61.90
1980/06/24	38.58
1980/06/25	33.32
1980/06/26	30.92
1980/06/27	55.42
1980/06/28	89.04
1980/06/29	62.70
1980/06/30	42.35
1980/07/01	41.30
1980/07/02	44.28
1980/07/03	28.84
1980/07/04	20.66
1980/07/05	16.88
1980/07/06	14.47
1980/07/07	13.43
1980/07/08	13.82
1980/07/09	16.33
1980/07/10	13.43
1980/07/11	11.61
1980/07/12	10.60
1980/07/13	11.48
1980/07/14	10.98
1980/07/15	10.35
1980/07/16	9.87
1980/07/17	9.76
1980/07/18	9.65
1980/07/19	12.78
1980/07/20	9.53
1980/07/21	12.26
1980/07/22	26.40
1980/07/23	38.41
1980/07/24	44.28
1980/07/25	48.04
1980/07/26	51.10
1980/07/27	56.37
1980/07/28	62.50
1980/07/29	96.50
1980/07/30	132.46
1980/07/31	140.94
1980/08/01	131.40
1980/08/02	120.10
1980/08/03	101.43
1980/08/04	100.17
1980/08/05	74.50
1980/08/06	55.99
1980/08/07	39.60
1980/08/08	34.44
1980/08/09	29.96
1980/08/10	34.12
1980/08/11	24.90
1980/08/12	24.60
1980/08/13	24.60
1980/08/14	23.55
1980/08/15	20.80
1980/08/16	21.38
1980/08/17	25.80
1980/08/18	22.40
1980/08/19	18.28
1980/08/20	21.81
1980/08/21	22.97
1980/08/22	26.55
1980/08/23	34.60
1980/08/24	66.49
1980/08/25	147.80
1980/08/26	155.05
1980/08/27	150.70
1980/08/28	140.94
1980/08/29	111.60
1980/08/30	88.00
1980/08/31	71.44
1980/09/01	102.09
1980/09/02	94.42
1980/09/03	90.98
1980/09/04	110.00
1980/09/05	108.80
1980/09/06	106.56
1980/09/07	149.25
1980/09/08	189.50
1980/09/09	180.50
1980/09/10	160.40
1980/09/11	152.15
1980/09/12	143.45
1980/09/13	133.52
1980/09/14	111.20
1980/09/15	97.70
1980/09/16	95.90
1980/09/17	106.92
1980/09/18	144.90
1980/09/19	140.94
1980/09/20	136.70
1980/09/21	128.12
1980/09/22	121.34
1980/09/23	108.40
1980/09/24	100.48
1980/09/25	92.39
1980/09/26	82.87
1980/09/27	99.55
1980/09/28	88.78
1980/09/29	69.72
1980/09/30	59.50
1980/10/01	49.12
1980/10/02	45.34
1980/10/03	43.93
1980/10/04	42.35
1980/10/05	38.92
1980/10/06	35.88
1980/10/07	34.28
1980/10/08	34.92
1980/10/09	35.56
1980/10/10	44.28
1980/10/11	35.24
1980/10/12	33.00
1980/10/13	30.76
1980/10/14	27.75
1980/10/15	25.65
1980/10/16	24.90
1980/10/17	29.96
1980/10/18	29.64
1980/10/19	32.20
1980/10/20	37.22
1980/10/21	28.52
1980/10/22	25.95
1980/10/23	30.60
1980/10/24	34.28
1980/10/25	33.96
1980/10/26	27.75
1980/10/27	24.45
1980/10/28	22.40
1980/10/29	20.94
1980/10/30	20.24
1980/10/31	20.38
1980/11/01	20.52
1980/11/02	18.98
1980/11/03	17.72
1980/11/04	17.02
1980/11/05	16.60
1980/11/06	16.06
1980/11/07	16.20
1980/11/08	18.00
1980/11/09	20.38
1980/11/10	17.02
1980/11/11	14.99
1980/11/12	14.08
1980/11/13	13.56
1980/11/14	12.78
1980/11/15	12.78
1980/11/16	12.26
1980/11/17	11.87
1980/11/18	11.61
1980/11/19	11.35
1980/11/20	11.10
1980/11/21	10.85
1980/11/22	10.72
1980/11/23	10.48
1980/11/24	10.10
1980/11/25	10.48
1980/11/26	9.53
1980/11/27	9.42
1980/11/28	9.19
1980/11/29	8.74
1980/11/30	8.74
1980/12/01	8.51
1980/12/02	8.40
1980/12/03	8.29
1980/12/04	8.17
1980/12/05	7.95
1980/12/06	7.72
1980/12/07	7.72
1980/12/08	7.61
1980/12/09	7.49
1980/12/10	7.15
1980/12/11	7.04
1980/12/12	6.93
1980/12/13	6.81
1980/12/14	6.81
1980/12/15	6.70
1980/12/16	6.59
1980/12/17	6.49
1980/12/18	6.17
1980/12/19	5.96
1980/12/20	5.86
1980/12/21	5.75
1980/12/22	5.65
1980/12/23	5.55
1980/12/24	5.55
1980/12/25	5.55
1980/12/26	5.55
1980/12/27	5.55
1980/12/28	5.44
1980/12/29	5.44
1980/12/30	5.44
1980/12/31	5.44
#===========================================
# Number of observations = 275 / 366
# Average = 34.29