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	0
1980/04/02	0
1980/04/03	0
1980/04/04	0
1980/04/05	0
1980/04/06	0
1980/04/07	0
1980/04/08	0
1980/04/09	0
1980/04/10	0
1980/04/11	0
1980/04/12	0
1980/04/13	0
1980/04/14	0
1980/04/15	0
1980/04/16	0
1980/04/17	0
1980/04/18	0
1980/04/19	0
1980/04/20	0
1980/04/21	0
1980/04/22	0
1980/04/23	0
1980/04/24	0
1980/04/25	0
1980/04/26	0
1980/04/27	0
1980/04/28	0
1980/04/29	0
1980/04/30	0
1980/05/01	0
1980/05/02	0
1980/05/03	0
1980/05/04	0
1980/05/05	0
1980/05/06	0
1980/05/07	0
1980/05/08	0
1980/05/09	0
1980/05/10	0
1980/05/11	0
1980/05/12	0
1980/05/13	3.36
1980/05/14	3.12
1980/05/15	0.96
1980/05/16	0.80
1980/05/17	0.68
1980/05/18	0.64
1980/05/19	0.64
1980/05/20	0.60
1980/05/21	0.76
1980/05/22	1.86
1980/05/23	1.04
1980/05/24	0.88
1980/05/25	0.84
1980/05/26	0.64
1980/05/27	0.60
1980/05/28	1.74
1980/05/29	6.76
1980/05/30	1.38
1980/05/31	1.12
1980/06/01	0.84
1980/06/02	0.76
1980/06/03	0.64
1980/06/04	0.76
1980/06/05	4.16
1980/06/06	1.20
1980/06/07	0.84
1980/06/08	0.76
1980/06/09	0.64
1980/06/10	0.60
1980/06/11	0.60
1980/06/12	1.26
1980/06/13	7.66
1980/06/14	1.32
1980/06/15	2.72
1980/06/16	1.26
1980/06/17	1.92
1980/06/18	2.48
1980/06/19	1.26
1980/06/20	1.08
1980/06/21	0.96
1980/06/22	1.56
1980/06/23	0.96
1980/06/24	1.16
1980/06/25	6.16
1980/06/26	2.04
1980/06/27	2.48
1980/06/28	1.38
1980/06/29	1.56
1980/06/30	0.92
1980/07/01	0.80
1980/07/02	0.76
1980/07/03	0.72
1980/07/04	0.68
1980/07/05	73.95
1980/07/06	3.92
1980/07/07	1.80
1980/07/08	1.26
1980/07/09	1.08
1980/07/10	0.96
1980/07/11	1.16
1980/07/12	0.92
1980/07/13	1.00
1980/07/14	1.00
1980/07/15	0.96
1980/07/16	0.92
1980/07/17	0.88
1980/07/18	0.84
1980/07/19	0.84
1980/07/20	0.88
1980/07/21	1.04
1980/07/22	1.38
1980/07/23	1.86
1980/07/24	1.12
1980/07/25	0.96
1980/07/26	0.88
1980/07/27	0.88
1980/07/28	0.88
1980/07/29	0.88
1980/07/30	0.84
1980/07/31	0.84
1980/08/01	0.84
1980/08/02	1.08
1980/08/03	1.04
1980/08/04	0.92
1980/08/05	0.92
1980/08/06	0.92
1980/08/07	0.92
1980/08/08	0.96
1980/08/09	1.12
1980/08/10	0.96
1980/08/11	0.88
1980/08/12	0.84
1980/08/13	1.56
1980/08/14	2.64
1980/08/15	1.08
1980/08/16	1.32
1980/08/17	1.20
1980/08/18	0.96
1980/08/19	0.88
1980/08/20	0.84
1980/08/21	0.80
1980/08/22	0.76
1980/08/23	1.00
1980/08/24	8.90
1980/08/25	12.30
1980/08/26	3.44
1980/08/27	6.32
1980/08/28	2.16
1980/08/29	1.62
1980/08/30	2.64
1980/08/31	6.16
1980/09/01	4.64
1980/09/02	2.48
1980/09/03	2.10
1980/09/04	2.40
1980/09/05	1.86
1980/09/06	6.16
1980/09/07	4.32
1980/09/08	2.28
1980/09/09	1.74
1980/09/10	1.62
1980/09/11	45.14
1980/09/12	15.82
1980/09/13	4.96
1980/09/14	4.08
1980/09/15	20.66
1980/09/16	17.42
1980/09/17	17.66
1980/09/18	62.60
1980/09/19	21.31
1980/09/20	17.42
1980/09/21	9.70
1980/09/22	5.52
1980/09/23	12.19
1980/09/24	7.48
1980/09/25	17.18
1980/09/26	5.36
1980/09/27	20.66
1980/09/28	26.88
1980/09/29	11.64
1980/09/30	5.76
1980/10/01	6.58
1980/10/02	12.19
1980/10/03	55.20
1980/10/04	24.92
1980/10/05	8.50
1980/10/06	5.12
1980/10/07	61.60
1980/10/08	30.05
1980/10/09	10.70
1980/10/10	17.90
1980/10/11	6.40
1980/10/12	4.48
1980/10/13	3.52
1980/10/14	3.04
1980/10/15	2.40
1980/10/16	2.28
1980/10/17	2.96
1980/10/18	24.36
1980/10/19	8.02
1980/10/20	3.92
1980/10/21	2.64
1980/10/22	2.10
1980/10/23	2.04
1980/10/24	4.96
1980/10/25	4.08
1980/10/26	2.80
1980/10/27	2.22
1980/10/28	1.74
1980/10/29	1.62
1980/10/30	1.56
1980/10/31	1.56
1980/11/01	1.50
1980/11/02	1.38
1980/11/03	1.26
1980/11/04	1.20
1980/11/05	1.16
1980/11/06	1.16
1980/11/07	1.26
1980/11/08	2.04
1980/11/09	1.80
1980/11/10	1.32
1980/11/11	1.12
1980/11/12	1.08
1980/11/13	1.08
1980/11/14	1.04
1980/11/15	1.00
1980/11/16	1.00
1980/11/17	1.00
1980/11/18	0.96
1980/11/19	0.96
1980/11/20	0.96
1980/11/21	0.92
1980/11/22	0.92
1980/11/23	0.92
1980/11/24	0.92
1980/11/25	0.92
1980/11/26	0.92
1980/11/27	0.92
1980/11/28	0.88
1980/11/29	0.88
1980/11/30	0.88
1980/12/01	0.88
1980/12/02	0.84
1980/12/03	0.84
1980/12/04	0.84
1980/12/05	0.84
1980/12/06	0.84
1980/12/07	0.84
1980/12/08	0.80
1980/12/09	0.80
1980/12/10	0.80
1980/12/11	0.80
1980/12/12	0.80
1980/12/13	0.76
1980/12/14	0.76
1980/12/15	0.76
1980/12/16	0.76
1980/12/17	0.76
1980/12/18	0.76
1980/12/19	0.76
1980/12/20	0.72
1980/12/21	0.72
1980/12/22	0.72
1980/12/23	0.72
1980/12/24	0.72
1980/12/25	0.72
1980/12/26	0.72
1980/12/27	0.68
1980/12/28	0.68
1980/12/29	0.68
1980/12/30	0.68
1980/12/31	0.68
#===========================================
# Number of observations = 275 / 366
# Average = 3.68