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	0.08
1980/04/02	0.10
1980/04/03	0.08
1980/04/04	0.05
1980/04/05	0.05
1980/04/06	0.05
1980/04/07	0.05
1980/04/08	0.30
1980/04/09	0.13
1980/04/10	0.48
1980/04/11	0.35
1980/04/12	0.15
1980/04/13	0.13
1980/04/14	0.10
1980/04/15	0.08
1980/04/16	0.08
1980/04/17	0.08
1980/04/18	0.10
1980/04/19	0.13
1980/04/20	0.13
1980/04/21	0.10
1980/04/22	0.08
1980/04/23	0.13
1980/04/24	0.15
1980/04/25	0.10
1980/04/26	0.08
1980/04/27	0.05
1980/04/28	0.03
1980/04/29	0.03
1980/04/30	0.03
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	0
1980/05/14	0
1980/05/15	0
1980/05/16	0
1980/05/17	0
1980/05/18	0
1980/05/19	0
1980/05/20	0.60
1980/05/21	10.70
1980/05/22	4.60
1980/05/23	25.26
1980/05/24	7.15
1980/05/25	4.00
1980/05/26	2.70
1980/05/27	5.05
1980/05/28	2.90
1980/05/29	2.30
1980/05/30	1.70
1980/05/31	1.55
1980/06/01	1.40
1980/06/02	1.35
1980/06/03	1.25
1980/06/04	1.45
1980/06/05	1.25
1980/06/06	1.25
1980/06/07	1.25
1980/06/08	1.25
1980/06/09	1.20
1980/06/10	1.15
1980/06/11	1.15
1980/06/12	1.10
1980/06/13	1.05
1980/06/14	1.05
1980/06/15	1.00
1980/06/16	0.95
1980/06/17	0.95
1980/06/18	1.00
1980/06/19	1.05
1980/06/20	1.80
1980/06/21	10.10
1980/06/22	4.75
1980/06/23	2.50
1980/06/24	1.75
1980/06/25	1.70
1980/06/26	1.55
1980/06/27	1.45
1980/06/28	1.35
1980/06/29	1.30
1980/06/30	1.35
1980/07/01	1.25
1980/07/02	1.20
1980/07/03	1.15
1980/07/04	1.10
1980/07/05	1.10
1980/07/06	1.05
1980/07/07	1.05
1980/07/08	1.00
1980/07/09	0.95
1980/07/10	0.95
1980/07/11	0.95
1980/07/12	0.95
1980/07/13	0.95
1980/07/14	0.95
1980/07/15	0.95
1980/07/16	0.95
1980/07/17	0.95
1980/07/18	0.95
1980/07/19	0.95
1980/07/20	0.95
1980/07/21	0.95
1980/07/22	8.05
1980/07/23	22.92
1980/07/24	3.90
1980/07/25	2.40
1980/07/26	3.80
1980/07/27	7.45
1980/07/28	7.90
1980/07/29	3.80
1980/07/30	2.50
1980/07/31	1.90
1980/08/01	1.65
1980/08/02	1.45
1980/08/03	1.25
1980/08/04	1.25
1980/08/05	1.20
1980/08/06	1.05
1980/08/07	0.95
1980/08/08	0.75
1980/08/09	0.70
1980/08/10	0.65
1980/08/11	0.65
1980/08/12	0.70
1980/08/13	0.70
1980/08/14	0.65
1980/08/15	0.65
1980/08/16	0.65
1980/08/17	0.65
1980/08/18	0.65
1980/08/19	0.75
1980/08/20	1.05
1980/08/21	1.50
1980/08/22	1.15
1980/08/23	1.10
1980/08/24	1.20
1980/08/25	1.25
1980/08/26	1.10
1980/08/27	1.00
1980/08/28	0.95
1980/08/29	1.35
1980/08/30	2.90
1980/08/31	2.00
1980/09/01	23.70
1980/09/02	12.70
1980/09/03	5.80
1980/09/04	3.90
1980/09/05	2.90
1980/09/06	2.40
1980/09/07	11.50
1980/09/08	13.90
1980/09/09	5.95
1980/09/10	4.00
1980/09/11	2.90
1980/09/12	4.00
1980/09/13	2.30
1980/09/14	1.80
1980/09/15	2.90
1980/09/16	4.00
1980/09/17	4.15
1980/09/18	7.30
1980/09/19	21.62
1980/09/20	11.30
1980/09/21	5.50
1980/09/22	4.30
1980/09/23	3.60
1980/09/24	3.10
1980/09/25	2.20
1980/09/26	1.70
1980/09/27	1.50
1980/09/28	1.50
1980/09/29	1.30
1980/09/30	1.35
1980/10/01	1.20
1980/10/02	1.35
1980/10/03	56.90
1980/10/04	15.30
1980/10/05	7.60
1980/10/06	4.60
1980/10/07	14.10
1980/10/08	12.70
1980/10/09	6.55
1980/10/10	4.15
1980/10/11	3.40
1980/10/12	3.20
1980/10/13	4.00
1980/10/14	2.60
1980/10/15	2.00
1980/10/16	1.80
1980/10/17	2.90
1980/10/18	2.20
1980/10/19	8.20
1980/10/20	3.40
1980/10/21	3.60
1980/10/22	3.10
1980/10/23	2.40
1980/10/24	1.85
1980/10/25	1.70
1980/10/26	3.80
1980/10/27	1.75
1980/10/28	1.50
1980/10/29	1.45
1980/10/30	1.55
1980/10/31	1.45
1980/11/01	1.70
1980/11/02	1.55
1980/11/03	1.45
1980/11/04	1.40
1980/11/05	1.35
1980/11/06	1.30
1980/11/07	1.25
1980/11/08	1.55
1980/11/09	1.70
1980/11/10	1.60
1980/11/11	1.50
1980/11/12	1.35
1980/11/13	1.25
1980/11/14	1.25
1980/11/15	1.20
1980/11/16	1.15
1980/11/17	1.10
1980/11/18	1.05
1980/11/19	1.25
1980/11/20	1.20
1980/11/21	1.05
1980/11/22	1.00
1980/11/23	0.95
1980/11/24	0.95
1980/11/25	0.90
1980/11/26	0.85
1980/11/27	0.80
1980/11/28	0.75
1980/11/29	0.75
1980/11/30	0.70
1980/12/01	0.65
1980/12/02	0.60
1980/12/03	0.55
1980/12/04	0.48
1980/12/05	0.48
1980/12/06	0.45
1980/12/07	0.45
1980/12/08	0.43
1980/12/09	0.43
1980/12/10	0.43
1980/12/11	0.38
1980/12/12	0.38
1980/12/13	0.35
1980/12/14	0.33
1980/12/15	0.30
1980/12/16	0.28
1980/12/17	0.25
1980/12/18	0.25
1980/12/19	0.25
1980/12/20	0.25
1980/12/21	0.23
1980/12/22	0.23
1980/12/23	0.23
1980/12/24	0.23
1980/12/25	0.23
1980/12/26	0.23
1980/12/27	0.23
1980/12/28	0.23
1980/12/29	0.23
1980/12/30	0.23
1980/12/31	0.23
#===========================================
# Number of observations = 275 / 366
# Average = 2.35