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	1.90
1980/04/02	1.80
1980/04/03	1.80
1980/04/04	1.70
1980/04/05	1.60
1980/04/06	1.60
1980/04/07	1.40
1980/04/08	1.30
1980/04/09	1.70
1980/04/10	2.10
1980/04/11	2.10
1980/04/12	2.00
1980/04/13	1.60
1980/04/14	1.60
1980/04/15	1.70
1980/04/16	1.70
1980/04/17	1.80
1980/04/18	1.80
1980/04/19	1.60
1980/04/20	1.40
1980/04/21	1.20
1980/04/22	1.00
1980/04/23	0.95
1980/04/24	1.30
1980/04/25	1.20
1980/04/26	0.95
1980/04/27	0.95
1980/04/28	0.80
1980/04/29	0.85
1980/04/30	0.70
1980/05/01	0.50
1980/05/02	0.50
1980/05/03	0.50
1980/05/04	0.40
1980/05/05	0.40
1980/05/06	0.20
1980/05/07	0.20
1980/05/08	0.30
1980/05/09	0.65
1980/05/10	0.40
1980/05/11	0.30
1980/05/12	0.30
1980/05/13	0.30
1980/05/14	0.25
1980/05/15	0.20
1980/05/16	0.15
1980/05/17	0.15
1980/05/18	0.15
1980/05/19	0.15
1980/05/20	0.25
1980/05/21	0.25
1980/05/22	0.35
1980/05/23	0.90
1980/05/24	13.10
1980/05/25	22.30
1980/05/26	16.10
1980/05/27	19.40
1980/05/28	35.55
1980/05/29	25.75
1980/05/30	27.28
1980/05/31	19.10
1980/06/01	14.90
1980/06/02	11.60
1980/06/03	8.90
1980/06/04	7.00
1980/06/05	5.80
1980/06/06	7.00
1980/06/07	14.30
1980/06/08	17.00
1980/06/09	12.20
1980/06/10	8.90
1980/06/11	7.80
1980/06/12	7.00
1980/06/13	6.20
1980/06/14	5.60
1980/06/15	5.00
1980/06/16	6.40
1980/06/17	8.90
1980/06/18	9.80
1980/06/19	10.10
1980/06/20	11.60
1980/06/21	18.20
1980/06/22	36.90
1980/06/23	82.00
1980/06/24	85.00
1980/06/25	75.40
1980/06/26	61.60
1980/06/27	44.10
1980/06/28	35.55
1980/06/29	31.12
1980/06/30	48.50
1980/07/01	47.00
1980/07/02	31.95
1980/07/03	23.83
1980/07/04	19.10
1980/07/05	16.10
1980/07/06	14.00
1980/07/07	12.50
1980/07/08	11.00
1980/07/09	9.80
1980/07/10	8.90
1980/07/11	7.60
1980/07/12	7.20
1980/07/13	6.60
1980/07/14	6.40
1980/07/15	6.00
1980/07/16	5.80
1980/07/17	5.20
1980/07/18	5.00
1980/07/19	5.60
1980/07/20	6.00
1980/07/21	6.00
1980/07/22	5.80
1980/07/23	5.60
1980/07/24	6.80
1980/07/25	11.00
1980/07/26	20.00
1980/07/27	27.28
1980/07/28	32.85
1980/07/29	70.00
1980/07/30	105.00
1980/07/31	85.60
1980/08/01	89.80
1980/08/02	81.40
1980/08/03	61.60
1980/08/04	70.00
1980/08/05	62.80
1980/08/06	47.50
1980/08/07	35.55
1980/08/08	28.05
1980/08/09	23.07
1980/08/10	19.10
1980/08/11	16.70
1980/08/12	15.50
1980/08/13	14.60
1980/08/14	13.70
1980/08/15	12.80
1980/08/16	12.20
1980/08/17	14.30
1980/08/18	16.10
1980/08/19	14.00
1980/08/20	13.40
1980/08/21	12.50
1980/08/22	11.60
1980/08/23	21.53
1980/08/24	26.52
1980/08/25	26.90
1980/08/26	24.60
1980/08/27	23.83
1980/08/28	23.83
1980/08/29	22.68
1980/08/30	19.40
1980/08/31	18.80
1980/09/01	17.60
1980/09/02	28.43
1980/09/03	54.40
1980/09/04	116.20
1980/09/05	203.00
1980/09/06	209.00
1980/09/07	222.00
1980/09/08	365.60
1980/09/09	367.20
1980/09/10	332.00
1980/09/11	229.40
1980/09/12	226.10
1980/09/13	218.00
1980/09/14	184.10
1980/09/15	184.10
1980/09/16	152.40
1980/09/17	190.00
1980/09/18	153.20
1980/09/19	236.00
1980/09/20	309.20
1980/09/21	277.20
1980/09/22	177.80
1980/09/23	138.80
1980/09/24	119.70
1980/09/25	131.60
1980/09/26	107.80
1980/09/27	86.20
1980/09/28	73.60
1980/09/29	68.20
1980/09/30	67.00
1980/10/01	65.20
1980/10/02	89.20
1980/10/03	155.60
1980/10/04	282.40
1980/10/05	201.00
1980/10/06	150.00
1980/10/07	126.00
1980/10/08	172.40
1980/10/09	190.00
1980/10/10	154.00
1980/10/11	116.20
1980/10/12	91.70
1980/10/13	76.60
1980/10/14	66.40
1980/10/15	57.15
1980/10/16	52.20
1980/10/17	48.50
1980/10/18	45.00
1980/10/19	46.00
1980/10/20	44.55
1980/10/21	45.50
1980/10/22	43.20
1980/10/23	44.55
1980/10/24	43.65
1980/10/25	39.15
1980/10/26	35.55
1980/10/27	32.40
1980/10/28	28.43
1980/10/29	33.75
1980/10/30	38.25
1980/10/31	35.10
1980/11/01	31.12
1980/11/02	27.67
1980/11/03	25.75
1980/11/04	23.83
1980/11/05	22.30
1980/11/06	21.53
1980/11/07	20.38
1980/11/08	20.38
1980/11/09	32.40
1980/11/10	57.15
1980/11/11	44.10
1980/11/12	40.05
1980/11/13	34.65
1980/11/14	30.35
1980/11/15	25.37
1980/11/16	24.60
1980/11/17	24.22
1980/11/18	23.07
1980/11/19	21.92
1980/11/20	20.77
1980/11/21	19.40
1980/11/22	17.00
1980/11/23	16.40
1980/11/24	16.10
1980/11/25	16.10
1980/11/26	19.70
1980/11/27	21.53
1980/11/28	17.00
1980/11/29	14.90
1980/11/30	14.00
1980/12/01	12.80
1980/12/02	11.90
1980/12/03	11.00
1980/12/04	10.40
1980/12/05	10.40
1980/12/06	10.10
1980/12/07	9.20
1980/12/08	8.60
1980/12/09	8.00
1980/12/10	7.80
1980/12/11	7.40
1980/12/12	7.20
1980/12/13	6.80
1980/12/14	6.20
1980/12/15	8.00
1980/12/16	9.20
1980/12/17	11.90
1980/12/18	18.20
1980/12/19	18.50
1980/12/20	14.00
1980/12/21	11.30
1980/12/22	9.80
1980/12/23	9.80
1980/12/24	9.50
1980/12/25	8.90
1980/12/26	7.80
1980/12/27	7.20
1980/12/28	7.00
1980/12/29	7.20
1980/12/30	7.20
1980/12/31	6.40
#===========================================
# Number of observations = 275 / 366
# Average = 41.45