1981/01/01	-9999
1981/01/02	-9999
1981/01/03	-9999
1981/01/04	-9999
1981/01/05	-9999
1981/01/06	-9999
1981/01/07	-9999
1981/01/08	-9999
1981/01/09	-9999
1981/01/10	-9999
1981/01/11	-9999
1981/01/12	-9999
1981/01/13	-9999
1981/01/14	-9999
1981/01/15	-9999
1981/01/16	-9999
1981/01/17	-9999
1981/01/18	-9999
1981/01/19	-9999
1981/01/20	-9999
1981/01/21	-9999
1981/01/22	-9999
1981/01/23	-9999
1981/01/24	-9999
1981/01/25	-9999
1981/01/26	-9999
1981/01/27	-9999
1981/01/28	-9999
1981/01/29	-9999
1981/01/30	-9999
1981/01/31	-9999
1981/02/01	-9999
1981/02/02	-9999
1981/02/03	-9999
1981/02/04	-9999
1981/02/05	-9999
1981/02/06	-9999
1981/02/07	-9999
1981/02/08	-9999
1981/02/09	-9999
1981/02/10	-9999
1981/02/11	-9999
1981/02/12	-9999
1981/02/13	-9999
1981/02/14	-9999
1981/02/15	-9999
1981/02/16	-9999
1981/02/17	-9999
1981/02/18	-9999
1981/02/19	-9999
1981/02/20	-9999
1981/02/21	-9999
1981/02/22	-9999
1981/02/23	-9999
1981/02/24	-9999
1981/02/25	-9999
1981/02/26	-9999
1981/02/27	-9999
1981/02/28	-9999
1981/03/01	-9999
1981/03/02	-9999
1981/03/03	-9999
1981/03/04	-9999
1981/03/05	-9999
1981/03/06	-9999
1981/03/07	-9999
1981/03/08	-9999
1981/03/09	-9999
1981/03/10	-9999
1981/03/11	-9999
1981/03/12	-9999
1981/03/13	-9999
1981/03/14	-9999
1981/03/15	-9999
1981/03/16	-9999
1981/03/17	-9999
1981/03/18	-9999
1981/03/19	-9999
1981/03/20	-9999
1981/03/21	-9999
1981/03/22	-9999
1981/03/23	-9999
1981/03/24	-9999
1981/03/25	-9999
1981/03/26	-9999
1981/03/27	-9999
1981/03/28	-9999
1981/03/29	-9999
1981/03/30	-9999
1981/03/31	-9999
1981/04/01	10.92
1981/04/02	10.92
1981/04/03	10.60
1981/04/04	10.60
1981/04/05	10.60
1981/04/06	10.60
1981/04/07	10.60
1981/04/08	10.60
1981/04/09	10.60
1981/04/10	10.60
1981/04/11	11.24
1981/04/12	11.88
1981/04/13	14.48
1981/04/14	13.72
1981/04/15	12.96
1981/04/16	12.58
1981/04/17	15.62
1981/04/18	22.30
1981/04/19	17.80
1981/04/20	14.86
1981/04/21	13.34
1981/04/22	12.58
1981/04/23	12.20
1981/04/24	12.20
1981/04/25	12.20
1981/04/26	12.20
1981/04/27	14.10
1981/04/28	16.90
1981/04/29	14.48
1981/04/30	15.24
1981/05/01	14.48
1981/05/02	13.34
1981/05/03	22.30
1981/05/04	22.30
1981/05/05	18.70
1981/05/06	30.00
1981/05/07	25.00
1981/05/08	21.40
1981/05/09	16.90
1981/05/10	17.35
1981/05/11	16.90
1981/05/12	16.00
1981/05/13	15.62
1981/05/14	14.48
1981/05/15	14.10
1981/05/16	13.72
1981/05/17	14.48
1981/05/18	26.50
1981/05/19	31.65
1981/05/20	28.00
1981/05/21	28.00
1981/05/22	52.50
1981/05/23	73.80
1981/05/24	46.70
1981/05/25	37.30
1981/05/26	32.75
1981/05/27	31.10
1981/05/28	25.00
1981/05/29	23.20
1981/05/30	23.20
1981/05/31	22.30
1981/06/01	21.40
1981/06/02	29.00
1981/06/03	48.00
1981/06/04	36.70
1981/06/05	31.10
1981/06/06	25.50
1981/06/07	22.30
1981/06/08	20.05
1981/06/09	19.60
1981/06/10	18.25
1981/06/11	17.80
1981/06/12	17.80
1981/06/13	17.35
1981/06/14	16.90
1981/06/15	17.80
1981/06/16	17.35
1981/06/17	18.25
1981/06/18	20.05
1981/06/19	19.15
1981/06/20	18.70
1981/06/21	21.40
1981/06/22	18.25
1981/06/23	18.25
1981/06/24	19.15
1981/06/25	23.65
1981/06/26	25.50
1981/06/27	27.50
1981/06/28	23.20
1981/06/29	22.75
1981/06/30	20.95
1981/07/01	18.70
1981/07/02	18.25
1981/07/03	17.80
1981/07/04	17.80
1981/07/05	24.10
1981/07/06	166.90
1981/07/07	299.00
1981/07/08	121.65
1981/07/09	70.30
1981/07/10	92.00
1981/07/11	57.10
1981/07/12	44.75
1981/07/13	33.30
1981/07/14	29.50
1981/07/15	28.00
1981/07/16	65.20
1981/07/17	51.75
1981/07/18	42.15
1981/07/19	211.50
1981/07/20	189.25
1981/07/21	100.00
1981/07/22	122.80
1981/07/23	73.80
1981/07/24	53.25
1981/07/25	47.35
1981/07/26	42.80
1981/07/27	34.40
1981/07/28	32.20
1981/07/29	33.85
1981/07/30	33.85
1981/07/31	42.15
1981/08/01	34.40
1981/08/02	56.30
1981/08/03	45.40
1981/08/04	48.75
1981/08/05	102.00
1981/08/06	76.50
1981/08/07	72.00
1981/08/08	55.50
1981/08/09	45.40
1981/08/10	39.10
1981/08/11	36.70
1981/08/12	37.90
1981/08/13	36.10
1981/08/14	33.30
1981/08/15	30.55
1981/08/16	28.00
1981/08/17	27.50
1981/08/18	26.00
1981/08/19	25.00
1981/08/20	24.55
1981/08/21	24.55
1981/08/22	24.55
1981/08/23	24.10
1981/08/24	23.65
1981/08/25	22.75
1981/08/26	22.30
1981/08/27	21.85
1981/08/28	21.40
1981/08/29	21.40
1981/08/30	21.40
1981/08/31	20.95
1981/09/01	21.40
1981/09/02	25.00
1981/09/03	63.50
1981/09/04	33.85
1981/09/05	31.65
1981/09/06	31.10
1981/09/07	32.75
1981/09/08	29.50
1981/09/09	27.50
1981/09/10	26.50
1981/09/11	24.55
1981/09/12	23.65
1981/09/13	23.20
1981/09/14	23.65
1981/09/15	23.20
1981/09/16	22.30
1981/09/17	21.40
1981/09/18	20.95
1981/09/19	20.50
1981/09/20	20.05
1981/09/21	19.60
1981/09/22	19.60
1981/09/23	31.65
1981/09/24	24.10
1981/09/25	22.30
1981/09/26	20.50
1981/09/27	20.95
1981/09/28	24.55
1981/09/29	29.50
1981/09/30	24.10
1981/10/01	20.50
1981/10/02	22.30
1981/10/03	20.95
1981/10/04	20.50
1981/10/05	20.05
1981/10/06	22.30
1981/10/07	22.30
1981/10/08	23.20
1981/10/09	24.10
1981/10/10	22.75
1981/10/11	21.85
1981/10/12	21.40
1981/10/13	20.95
1981/10/14	20.50
1981/10/15	19.60
1981/10/16	20.50
1981/10/17	24.55
1981/10/18	30.00
1981/10/19	33.85
1981/10/20	33.30
1981/10/21	30.00
1981/10/22	27.50
1981/10/23	26.00
1981/10/24	25.00
1981/10/25	23.20
1981/10/26	22.75
1981/10/27	22.30
1981/10/28	21.40
1981/10/29	20.95
1981/10/30	20.95
1981/10/31	20.50
1981/11/01	20.50
1981/11/02	20.50
1981/11/03	20.05
1981/11/04	23.20
1981/11/05	40.30
1981/11/06	32.20
1981/11/07	28.00
1981/11/08	25.50
1981/11/09	23.20
1981/11/10	21.40
1981/11/11	20.95
1981/11/12	20.50
1981/11/13	19.60
1981/11/14	19.60
1981/11/15	20.05
1981/11/16	20.50
1981/11/17	20.50
1981/11/18	20.05
1981/11/19	19.60
1981/11/20	19.15
1981/11/21	18.70
1981/11/22	18.25
1981/11/23	18.25
1981/11/24	17.80
1981/11/25	17.80
1981/11/26	17.35
1981/11/27	16.90
1981/11/28	16.90
1981/11/29	16.45
1981/11/30	16.00
1981/12/01	16.00
1981/12/02	16.00
1981/12/03	15.62
1981/12/04	15.62
1981/12/05	15.62
1981/12/06	15.62
1981/12/07	15.24
1981/12/08	15.24
1981/12/09	15.24
1981/12/10	15.24
1981/12/11	15.24
1981/12/12	15.24
1981/12/13	14.86
1981/12/14	14.86
1981/12/15	14.86
1981/12/16	14.48
1981/12/17	14.48
1981/12/18	14.48
1981/12/19	14.48
1981/12/20	14.10
1981/12/21	14.10
1981/12/22	14.10
1981/12/23	14.10
1981/12/24	14.10
1981/12/25	14.10
1981/12/26	14.10
1981/12/27	13.72
1981/12/28	13.72
1981/12/29	13.34
1981/12/30	13.34
1981/12/31	13.34
#===========================================
# Number of observations = 275 / 365
# Average = 28.33