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	1.66
1980/04/02	1.26
1980/04/03	1.40
1980/04/04	2.44
1980/04/05	2.96
1980/04/06	5.50
1980/04/07	6.70
1980/04/08	31.00
1980/04/09	22.00
1980/04/10	9.10
1980/04/11	5.80
1980/04/12	4.60
1980/04/13	3.48
1980/04/14	3.48
1980/04/15	3.22
1980/04/16	2.44
1980/04/17	2.18
1980/04/18	1.92
1980/04/19	1.40
1980/04/20	1.40
1980/04/21	1.26
1980/04/22	1.26
1980/04/23	1.26
1980/04/24	1.26
1980/04/25	1.12
1980/04/26	1.12
1980/04/27	2.44
1980/04/28	3.22
1980/04/29	1.40
1980/04/30	1.12
1980/05/01	0.84
1980/05/02	0.84
1980/05/03	0.84
1980/05/04	6.70
1980/05/05	3.48
1980/05/06	1.92
1980/05/07	1.26
1980/05/08	0.84
1980/05/09	0.84
1980/05/10	0.70
1980/05/11	11.50
1980/05/12	6.40
1980/05/13	8.20
1980/05/14	5.50
1980/05/15	5.50
1980/05/16	4.30
1980/05/17	3.22
1980/05/18	5.20
1980/05/19	7.90
1980/05/20	7.30
1980/05/21	5.80
1980/05/22	4.60
1980/05/23	4.60
1980/05/24	4.30
1980/05/25	5.20
1980/05/26	5.80
1980/05/27	27.00
1980/05/28	20.00
1980/05/29	11.80
1980/05/30	10.00
1980/05/31	8.20
1980/06/01	6.70
1980/06/02	5.20
1980/06/03	122.00
1980/06/04	173.80
1980/06/05	54.20
1980/06/06	31.50
1980/06/07	31.00
1980/06/08	19.50
1980/06/09	13.00
1980/06/10	14.00
1980/06/11	13.50
1980/06/12	33.50
1980/06/13	32.00
1980/06/14	25.00
1980/06/15	18.50
1980/06/16	19.00
1980/06/17	27.50
1980/06/18	28.00
1980/06/19	21.50
1980/06/20	37.50
1980/06/21	80.80
1980/06/22	57.00
1980/06/23	47.00
1980/06/24	34.50
1980/06/25	59.80
1980/06/26	54.20
1980/06/27	89.60
1980/06/28	91.20
1980/06/29	54.20
1980/06/30	34.50
1980/07/01	27.00
1980/07/02	23.50
1980/07/03	16.50
1980/07/04	13.50
1980/07/05	11.50
1980/07/06	10.00
1980/07/07	9.40
1980/07/08	8.80
1980/07/09	7.30
1980/07/10	6.40
1980/07/11	6.40
1980/07/12	5.80
1980/07/13	4.90
1980/07/14	5.20
1980/07/15	5.80
1980/07/16	5.50
1980/07/17	5.20
1980/07/18	5.20
1980/07/19	6.40
1980/07/20	7.30
1980/07/21	106.00
1980/07/22	96.90
1980/07/23	53.50
1980/07/24	96.90
1980/07/25	435.30
1980/07/26	399.60
1980/07/27	330.00
1980/07/28	437.40
1980/07/29	231.20
1980/07/30	136.10
1980/07/31	102.30
1980/08/01	122.00
1980/08/02	84.00
1980/08/03	65.60
1980/08/04	52.10
1980/08/05	44.60
1980/08/06	38.00
1980/08/07	35.50
1980/08/08	33.50
1980/08/09	36.50
1980/08/10	28.00
1980/08/11	24.50
1980/08/12	22.50
1980/08/13	19.00
1980/08/14	15.50
1980/08/15	13.50
1980/08/16	82.40
1980/08/17	75.20
1980/08/18	41.00
1980/08/19	41.60
1980/08/20	74.40
1980/08/21	74.40
1980/08/22	76.00
1980/08/23	63.30
1980/08/24	191.80
1980/08/25	523.90
1980/08/26	182.20
1980/08/27	111.00
1980/08/28	85.60
1980/08/29	66.40
1980/08/30	146.00
1980/08/31	673.00
1980/09/01	685.60
1980/09/02	675.50
1980/09/03	317.40
1980/09/04	463.20
1980/09/05	609.00
1980/09/06	373.35
1980/09/07	379.20
1980/09/08	581.40
1980/09/09	293.30
1980/09/10	200.80
1980/09/11	291.60
1980/09/12	259.20
1980/09/13	196.90
1980/09/14	182.20
1980/09/15	144.90
1980/09/16	283.10
1980/09/17	231.20
1980/09/18	227.00
1980/09/19	171.40
1980/09/20	129.00
1980/09/21	116.00
1980/09/22	106.00
1980/09/23	107.00
1980/09/24	93.60
1980/09/25	107.00
1980/09/26	144.90
1980/09/27	165.40
1980/09/28	122.00
1980/09/29	95.20
1980/09/30	82.40
1980/10/01	74.40
1980/10/02	65.60
1980/10/03	57.00
1980/10/04	50.00
1980/10/05	44.60
1980/10/06	42.20
1980/10/07	44.00
1980/10/08	54.20
1980/10/09	54.20
1980/10/10	49.40
1980/10/11	46.40
1980/10/12	44.00
1980/10/13	39.80
1980/10/14	52.80
1980/10/15	45.20
1980/10/16	38.60
1980/10/17	50.70
1980/10/18	45.20
1980/10/19	43.40
1980/10/20	39.80
1980/10/21	48.80
1980/10/22	45.20
1980/10/23	41.60
1980/10/24	37.00
1980/10/25	29.50
1980/10/26	27.00
1980/10/27	26.00
1980/10/28	23.50
1980/10/29	21.50
1980/10/30	21.00
1980/10/31	20.50
1980/11/01	20.50
1980/11/02	21.00
1980/11/03	19.50
1980/11/04	18.50
1980/11/05	18.00
1980/11/06	17.50
1980/11/07	17.00
1980/11/08	16.50
1980/11/09	16.50
1980/11/10	19.00
1980/11/11	19.50
1980/11/12	17.50
1980/11/13	17.00
1980/11/14	16.00
1980/11/15	13.50
1980/11/16	12.70
1980/11/17	13.00
1980/11/18	14.50
1980/11/19	14.50
1980/11/20	15.00
1980/11/21	15.00
1980/11/22	14.50
1980/11/23	13.50
1980/11/24	14.00
1980/11/25	14.00
1980/11/26	14.00
1980/11/27	14.00
1980/11/28	14.50
1980/11/29	15.00
1980/11/30	12.70
1980/12/01	12.40
1980/12/02	12.10
1980/12/03	11.50
1980/12/04	11.50
1980/12/05	10.90
1980/12/06	10.60
1980/12/07	10.60
1980/12/08	10.30
1980/12/09	10.00
1980/12/10	9.70
1980/12/11	10.00
1980/12/12	10.30
1980/12/13	18.50
1980/12/14	22.50
1980/12/15	20.50
1980/12/16	16.00
1980/12/17	13.00
1980/12/18	11.80
1980/12/19	11.20
1980/12/20	10.90
1980/12/21	10.60
1980/12/22	10.30
1980/12/23	9.70
1980/12/24	9.40
1980/12/25	8.80
1980/12/26	8.50
1980/12/27	8.20
1980/12/28	8.20
1980/12/29	7.90
1980/12/30	7.90
1980/12/31	7.60
#===========================================
# Number of observations = 275 / 366
# Average = 63.26