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	0.72
1980/04/02	0.80
1980/04/03	1.02
1980/04/04	1.10
1980/04/05	1.85
1980/04/06	2.70
1980/04/07	2.30
1980/04/08	2.20
1980/04/09	2.60
1980/04/10	3.10
1980/04/11	3.20
1980/04/12	2.20
1980/04/13	1.55
1980/04/14	1.25
1980/04/15	1.10
1980/04/16	1.32
1980/04/17	4.90
1980/04/18	3.00
1980/04/19	1.55
1980/04/20	1.02
1980/04/21	0.80
1980/04/22	0.65
1980/04/23	0.50
1980/04/24	0.47
1980/04/25	0.45
1980/04/26	0.42
1980/04/27	0.40
1980/04/28	0.40
1980/04/29	0.37
1980/04/30	0.37
1980/05/01	0.37
1980/05/02	0.35
1980/05/03	0.35
1980/05/04	0.35
1980/05/05	0.35
1980/05/06	0.32
1980/05/07	0.32
1980/05/08	0.72
1980/05/09	1.25
1980/05/10	10.40
1980/05/11	4.50
1980/05/12	3.10
1980/05/13	6.70
1980/05/14	7.00
1980/05/15	6.20
1980/05/16	4.70
1980/05/17	3.70
1980/05/18	2.90
1980/05/19	2.40
1980/05/20	3.70
1980/05/21	5.40
1980/05/22	6.50
1980/05/23	6.40
1980/05/24	6.30
1980/05/25	11.60
1980/05/26	7.90
1980/05/27	36.25
1980/05/28	37.25
1980/05/29	26.00
1980/05/30	18.80
1980/05/31	12.40
1980/06/01	9.20
1980/06/02	7.30
1980/06/03	6.20
1980/06/04	6.20
1980/06/05	5.20
1980/06/06	5.60
1980/06/07	10.80
1980/06/08	12.80
1980/06/09	11.80
1980/06/10	10.40
1980/06/11	36.25
1980/06/12	27.20
1980/06/13	26.20
1980/06/14	36.00
1980/06/15	42.75
1980/06/16	35.00
1980/06/17	99.10
1980/06/18	72.70
1980/06/19	44.50
1980/06/20	53.80
1980/06/21	80.90
1980/06/22	74.50
1980/06/23	65.20
1980/06/24	62.50
1980/06/25	129.20
1980/06/26	67.60
1980/06/27	87.90
1980/06/28	100.15
1980/06/29	64.30
1980/06/30	48.00
1980/07/01	61.90
1980/07/02	46.25
1980/07/03	34.75
1980/07/04	27.80
1980/07/05	23.60
1980/07/06	23.20
1980/07/07	24.80
1980/07/08	26.00
1980/07/09	22.40
1980/07/10	21.60
1980/07/11	21.00
1980/07/12	22.60
1980/07/13	18.40
1980/07/14	18.20
1980/07/15	30.40
1980/07/16	27.00
1980/07/17	22.20
1980/07/18	20.20
1980/07/19	21.20
1980/07/20	35.00
1980/07/21	42.75
1980/07/22	71.50
1980/07/23	81.95
1980/07/24	84.40
1980/07/25	83.00
1980/07/26	79.85
1980/07/27	104.80
1980/07/28	185.50
1980/07/29	209.80
1980/07/30	180.50
1980/07/31	130.80
1980/08/01	149.20
1980/08/02	146.80
1980/08/03	114.40
1980/08/04	109.60
1980/08/05	87.20
1980/08/06	66.40
1980/08/07	57.40
1980/08/08	48.25
1980/08/09	42.50
1980/08/10	38.25
1980/08/11	35.00
1980/08/12	30.20
1980/08/13	31.80
1980/08/14	36.75
1980/08/15	39.25
1980/08/16	43.75
1980/08/17	50.75
1980/08/18	40.00
1980/08/19	41.25
1980/08/20	57.40
1980/08/21	58.00
1980/08/22	50.25
1980/08/23	47.75
1980/08/24	95.60
1980/08/25	187.00
1980/08/26	146.40
1980/08/27	110.40
1980/08/28	89.65
1980/08/29	69.10
1980/08/30	59.50
1980/08/31	71.80
1980/09/01	84.05
1980/09/02	74.80
1980/09/03	89.30
1980/09/04	103.30
1980/09/05	90.35
1980/09/06	87.90
1980/09/07	358.25
1980/09/08	352.50
1980/09/09	218.80
1980/09/10	185.50
1980/09/11	162.50
1980/09/12	155.50
1980/09/13	127.20
1980/09/14	100.15
1980/09/15	91.05
1980/09/16	112.40
1980/09/17	186.50
1980/09/18	225.40
1980/09/19	284.95
1980/09/20	256.20
1980/09/21	215.80
1980/09/22	177.00
1980/09/23	159.00
1980/09/24	140.00
1980/09/25	125.60
1980/09/26	116.40
1980/09/27	128.80
1980/09/28	118.00
1980/09/29	95.60
1980/09/30	82.65
1980/10/01	74.50
1980/10/02	72.40
1980/10/03	69.70
1980/10/04	75.10
1980/10/05	71.80
1980/10/06	61.60
1980/10/07	58.60
1980/10/08	60.40
1980/10/09	58.60
1980/10/10	54.10
1980/10/11	51.50
1980/10/12	49.00
1980/10/13	46.50
1980/10/14	42.75
1980/10/15	40.00
1980/10/16	44.50
1980/10/17	42.50
1980/10/18	42.50
1980/10/19	45.75
1980/10/20	45.50
1980/10/21	41.25
1980/10/22	36.25
1980/10/23	33.25
1980/10/24	32.25
1980/10/25	35.75
1980/10/26	37.00
1980/10/27	33.75
1980/10/28	30.20
1980/10/29	28.20
1980/10/30	27.20
1980/10/31	27.00
1980/11/01	26.60
1980/11/02	25.80
1980/11/03	24.40
1980/11/04	23.40
1980/11/05	22.60
1980/11/06	22.20
1980/11/07	22.00
1980/11/08	24.40
1980/11/09	24.60
1980/11/10	22.40
1980/11/11	19.20
1980/11/12	17.40
1980/11/13	17.60
1980/11/14	16.40
1980/11/15	15.80
1980/11/16	15.20
1980/11/17	14.40
1980/11/18	14.00
1980/11/19	13.60
1980/11/20	13.00
1980/11/21	12.20
1980/11/22	11.80
1980/11/23	11.60
1980/11/24	11.20
1980/11/25	10.80
1980/11/26	10.80
1980/11/27	10.60
1980/11/28	10.20
1980/11/29	9.40
1980/11/30	9.20
1980/12/01	9.00
1980/12/02	8.60
1980/12/03	8.40
1980/12/04	8.00
1980/12/05	7.90
1980/12/06	7.70
1980/12/07	7.40
1980/12/08	7.20
1980/12/09	7.20
1980/12/10	7.00
1980/12/11	7.00
1980/12/12	6.90
1980/12/13	6.80
1980/12/14	6.60
1980/12/15	6.60
1980/12/16	6.50
1980/12/17	6.40
1980/12/18	6.20
1980/12/19	6.20
1980/12/20	6.00
1980/12/21	5.90
1980/12/22	5.80
1980/12/23	5.60
1980/12/24	5.00
1980/12/25	5.30
1980/12/26	5.00
1980/12/27	4.90
1980/12/28	4.80
1980/12/29	4.70
1980/12/30	4.60
1980/12/31	4.50
#===========================================
# Number of observations = 275 / 366
# Average = 45.64