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	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
1980/05/21	3.80
1980/05/22	8.40
1980/05/23	75.05
1980/05/24	14.26
1980/05/25	7.40
1980/05/26	24.40
1980/05/27	51.45
1980/05/28	11.20
1980/05/29	8.20
1980/05/30	3.92
1980/05/31	2.90
1980/06/01	2.27
1980/06/02	1.82
1980/06/03	1.55
1980/06/04	1.46
1980/06/05	1.46
1980/06/06	1.37
1980/06/07	1.28
1980/06/08	1.28
1980/06/09	1.10
1980/06/10	2.81
1980/06/11	5.75
1980/06/12	5.30
1980/06/13	6.50
1980/06/14	4.64
1980/06/15	18.94
1980/06/16	9.80
1980/06/17	4.28
1980/06/18	6.20
1980/06/19	5.30
1980/06/20	5.90
1980/06/21	77.80
1980/06/22	111.30
1980/06/23	49.20
1980/06/24	36.75
1980/06/25	16.60
1980/06/26	9.80
1980/06/27	5.75
1980/06/28	4.40
1980/06/29	3.44
1980/06/30	2.81
1980/07/01	2.54
1980/07/02	2.18
1980/07/03	2.00
1980/07/04	1.55
1980/07/05	1.37
1980/07/06	1.28
1980/07/07	1.19
1980/07/08	1.04
1980/07/09	1.04
1980/07/10	0.98
1980/07/11	0.92
1980/07/12	0.86
1980/07/13	0.80
1980/07/14	0.80
1980/07/15	0.74
1980/07/16	0.74
1980/07/17	0.74
1980/07/18	0.68
1980/07/19	0.68
1980/07/20	0.80
1980/07/21	0.92
1980/07/22	1.10
1980/07/23	2.90
1980/07/24	3.53
1980/07/25	2.27
1980/07/26	2.00
1980/07/27	43.70
1980/07/28	18.42
1980/07/29	33.60
1980/07/30	19.48
1980/07/31	8.20
1980/08/01	5.75
1980/08/02	4.76
1980/08/03	3.80
1980/08/04	3.44
1980/08/05	2.99
1980/08/06	2.63
1980/08/07	2.54
1980/08/08	2.54
1980/08/09	3.26
1980/08/10	2.63
1980/08/11	2.18
1980/08/12	1.64
1980/08/13	1.55
1980/08/14	1.46
1980/08/15	1.37
1980/08/16	1.37
1980/08/17	10.20
1980/08/18	17.64
1980/08/19	50.10
1980/08/20	16.34
1980/08/21	9.40
1980/08/22	6.80
1980/08/23	6.65
1980/08/24	9.80
1980/08/25	7.85
1980/08/26	6.65
1980/08/27	5.00
1980/08/28	4.16
1980/08/29	3.44
1980/08/30	4.28
1980/08/31	7.10
1980/09/01	6.80
1980/09/02	14.52
1980/09/03	8.80
1980/09/04	5.90
1980/09/05	5.45
1980/09/06	4.52
1980/09/07	143.50
1980/09/08	159.30
1980/09/09	50.55
1980/09/10	48.75
1980/09/11	25.60
1980/09/12	25.60
1980/09/13	14.52
1980/09/14	13.00
1980/09/15	11.40
1980/09/16	14.26
1980/09/17	17.64
1980/09/18	38.50
1980/09/19	130.75
1980/09/20	84.95
1980/09/21	48.30
1980/09/22	29.75
1980/09/23	27.10
1980/09/24	36.75
1980/09/25	40.10
1980/09/26	22.00
1980/09/27	15.04
1980/09/28	12.80
1980/09/29	10.20
1980/09/30	9.60
1980/10/01	15.04
1980/10/02	16.86
1980/10/03	143.50
1980/10/04	72.50
1980/10/05	30.80
1980/10/06	17.90
1980/10/07	15.04
1980/10/08	14.52
1980/10/09	11.80
1980/10/10	11.40
1980/10/11	9.40
1980/10/12	8.20
1980/10/13	7.10
1980/10/14	6.20
1980/10/15	5.75
1980/10/16	12.00
1980/10/17	8.60
1980/10/18	11.80
1980/10/19	8.20
1980/10/20	6.20
1980/10/21	5.15
1980/10/22	4.76
1980/10/23	4.04
1980/10/24	4.04
1980/10/25	3.53
1980/10/26	3.35
1980/10/27	2.90
1980/10/28	2.72
1980/10/29	2.63
1980/10/30	2.63
1980/10/31	2.54
1980/11/01	2.45
1980/11/02	2.36
1980/11/03	2.54
1980/11/04	2.45
1980/11/05	2.27
1980/11/06	2.27
1980/11/07	2.27
1980/11/08	10.20
1980/11/09	53.70
1980/11/10	13.80
1980/11/11	8.20
1980/11/12	6.05
1980/11/13	5.00
1980/11/14	4.76
1980/11/15	3.71
1980/11/16	3.26
1980/11/17	2.99
1980/11/18	2.72
1980/11/19	2.54
1980/11/20	2.27
1980/11/21	2.27
1980/11/22	2.18
1980/11/23	2.09
1980/11/24	2.00
1980/11/25	1.82
1980/11/26	1.82
1980/11/27	1.73
1980/11/28	1.64
1980/11/29	1.55
1980/11/30	1.46
1980/12/01	1.46
1980/12/02	1.28
1980/12/03	1.28
1980/12/04	1.19
1980/12/05	1.19
1980/12/06	1.10
1980/12/07	1.10
1980/12/08	1.04
1980/12/09	0.98
1980/12/10	0.92
1980/12/11	0.86
1980/12/12	0.80
1980/12/13	0.74
1980/12/14	0.74
1980/12/15	0.74
1980/12/16	0.68
1980/12/17	0.68
1980/12/18	0.68
1980/12/19	0.62
1980/12/20	0.62
1980/12/21	0.56
1980/12/22	0.50
1980/12/23	0.46
1980/12/24	0.38
1980/12/25	0.38
1980/12/26	0.42
1980/12/27	0.42
1980/12/28	0.34
1980/12/29	0.30
1980/12/30	0.38
1980/12/31	0.38
#===========================================
# Number of observations = 275 / 366
# Average = 9.86