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	0.88
1980/04/02	0.70
1980/04/03	0.65
1980/04/04	0.88
1980/04/05	0.70
1980/04/06	2.14
1980/04/07	2.14
1980/04/08	2.14
1980/04/09	1.24
1980/04/10	0.88
1980/04/11	0.88
1980/04/12	0.65
1980/04/13	0.65
1980/04/14	0.65
1980/04/15	0.60
1980/04/16	0.55
1980/04/17	0.55
1980/04/18	0.50
1980/04/19	0.50
1980/04/20	0.88
1980/04/21	0.70
1980/04/22	0.65
1980/04/23	0.60
1980/04/24	0.60
1980/04/25	0.50
1980/04/26	0.40
1980/04/27	0.35
1980/04/28	0.30
1980/04/29	0.20
1980/04/30	0.18
1980/05/01	0.20
1980/05/02	0.20
1980/05/03	0.20
1980/05/04	0.16
1980/05/05	0.20
1980/05/06	0.20
1980/05/07	0.20
1980/05/08	0.18
1980/05/09	0.18
1980/05/10	0.16
1980/05/11	0.16
1980/05/12	0.16
1980/05/13	0.30
1980/05/14	0.35
1980/05/15	0.60
1980/05/16	0.55
1980/05/17	0.35
1980/05/18	0.20
1980/05/19	0.18
1980/05/20	0.20
1980/05/21	3.00
1980/05/22	4.75
1980/05/23	15.70
1980/05/24	8.95
1980/05/25	5.35
1980/05/26	20.25
1980/05/27	19.15
1980/05/28	21.35
1980/05/29	23.00
1980/05/30	15.70
1980/05/31	6.75
1980/06/01	2.75
1980/06/02	3.25
1980/06/03	2.14
1980/06/04	4.75
1980/06/05	11.20
1980/06/06	14.80
1980/06/07	9.85
1980/06/08	5.35
1980/06/09	3.75
1980/06/10	2.75
1980/06/11	3.00
1980/06/12	3.00
1980/06/13	2.50
1980/06/14	5.00
1980/06/15	8.50
1980/06/16	8.50
1980/06/17	7.45
1980/06/18	10.30
1980/06/19	13.45
1980/06/20	21.90
1980/06/21	33.50
1980/06/22	86.30
1980/06/23	83.00
1980/06/24	78.00
1980/06/25	55.40
1980/06/26	35.60
1980/06/27	27.20
1980/06/28	29.30
1980/06/29	58.25
1980/06/30	39.40
1980/07/01	24.40
1980/07/02	17.05
1980/07/03	14.35
1980/07/04	13.00
1980/07/05	10.30
1980/07/06	8.15
1980/07/07	5.00
1980/07/08	4.50
1980/07/09	4.00
1980/07/10	4.00
1980/07/11	3.50
1980/07/12	3.25
1980/07/13	3.00
1980/07/14	3.00
1980/07/15	2.75
1980/07/16	3.00
1980/07/17	3.50
1980/07/18	3.75
1980/07/19	3.75
1980/07/20	3.50
1980/07/21	4.25
1980/07/22	5.70
1980/07/23	8.15
1980/07/24	20.25
1980/07/25	20.80
1980/07/26	20.80
1980/07/27	30.00
1980/07/28	97.45
1980/07/29	111.75
1980/07/30	88.50
1980/07/31	96.30
1980/08/01	79.00
1980/08/02	59.20
1980/08/03	75.00
1980/08/04	58.25
1980/08/05	41.00
1980/08/06	30.00
1980/08/07	22.45
1980/08/08	17.05
1980/08/09	13.90
1980/08/10	12.55
1980/08/11	11.20
1980/08/12	10.75
1980/08/13	10.30
1980/08/14	9.85
1980/08/15	9.85
1980/08/16	9.40
1980/08/17	11.65
1980/08/18	11.20
1980/08/19	11.65
1980/08/20	12.10
1980/08/21	19.15
1980/08/22	32.10
1980/08/23	30.70
1980/08/24	30.70
1980/08/25	30.70
1980/08/26	30.70
1980/08/27	33.50
1980/08/28	30.00
1980/08/29	25.10
1980/08/30	21.90
1980/08/31	21.90
1980/09/01	39.40
1980/09/02	69.00
1980/09/03	132.30
1980/09/04	236.50
1980/09/05	233.00
1980/09/06	210.25
1980/09/07	414.92
1980/09/08	408.10
1980/09/09	338.10
1980/09/10	195.40
1980/09/11	226.00
1980/09/12	208.50
1980/09/13	167.20
1980/09/14	173.00
1980/09/15	131.00
1980/09/16	185.80
1980/09/17	136.20
1980/09/18	201.80
1980/09/19	274.65
1980/09/20	258.00
1980/09/21	146.90
1980/09/22	111.75
1980/09/23	95.15
1980/09/24	92.90
1980/09/25	76.00
1980/09/26	53.50
1980/09/27	42.60
1980/09/28	41.80
1980/09/29	40.20
1980/09/30	36.30
1980/10/01	36.30
1980/10/02	46.70
1980/10/03	155.60
1980/10/04	121.90
1980/10/05	94.00
1980/10/06	70.00
1980/10/07	99.75
1980/10/08	144.00
1980/10/09	118.35
1980/10/10	86.50
1980/10/11	61.30
1980/10/12	51.25
1980/10/13	44.50
1980/10/14	38.90
1980/10/15	37.60
1980/10/16	34.35
1980/10/17	31.75
1980/10/18	32.40
1980/10/19	32.40
1980/10/20	33.05
1980/10/21	33.05
1980/10/22	36.30
1980/10/23	36.30
1980/10/24	33.05
1980/10/25	31.10
1980/10/26	28.50
1980/10/27	28.50
1980/10/28	35.00
1980/10/29	35.00
1980/10/30	32.40
1980/10/31	27.95
1980/11/01	27.40
1980/11/02	26.85
1980/11/03	24.65
1980/11/04	23.55
1980/11/05	23.00
1980/11/06	22.45
1980/11/07	20.25
1980/11/08	21.35
1980/11/09	44.50
1980/11/10	32.40
1980/11/11	29.80
1980/11/12	27.40
1980/11/13	24.10
1980/11/14	21.90
1980/11/15	23.00
1980/11/16	25.75
1980/11/17	23.00
1980/11/18	21.90
1980/11/19	21.90
1980/11/20	20.80
1980/11/21	20.25
1980/11/22	19.70
1980/11/23	18.60
1980/11/24	21.90
1980/11/25	26.30
1980/11/26	23.00
1980/11/27	17.50
1980/11/28	17.05
1980/11/29	15.70
1980/11/30	15.25
1980/12/01	14.80
1980/12/02	13.90
1980/12/03	13.00
1980/12/04	13.00
1980/12/05	12.60
1980/12/06	12.60
1980/12/07	15.25
1980/12/08	16.15
1980/12/09	16.60
1980/12/10	16.15
1980/12/11	15.70
1980/12/12	14.80
1980/12/13	17.50
1980/12/14	20.25
1980/12/15	21.35
1980/12/16	24.65
1980/12/17	26.85
1980/12/18	22.45
1980/12/19	21.35
1980/12/20	20.80
1980/12/21	20.80
1980/12/22	21.35
1980/12/23	20.25
1980/12/24	18.05
1980/12/25	15.70
1980/12/26	14.80
1980/12/27	16.15
1980/12/28	16.60
1980/12/29	15.70
1980/12/30	13.90
1980/12/31	13.45
#===========================================
# Number of observations = 275 / 366
# Average = 37.27