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	1.53
1980/04/02	1.60
1980/04/03	1.60
1980/04/04	1.53
1980/04/05	1.47
1980/04/06	1.53
1980/04/07	1.60
1980/04/08	1.67
1980/04/09	1.67
1980/04/10	1.67
1980/04/11	1.67
1980/04/12	1.67
1980/04/13	1.73
1980/04/14	1.73
1980/04/15	1.80
1980/04/16	1.87
1980/04/17	1.87
1980/04/18	2.00
1980/04/19	2.00
1980/04/20	1.93
1980/04/21	1.87
1980/04/22	1.80
1980/04/23	1.87
1980/04/24	1.87
1980/04/25	1.87
1980/04/26	1.87
1980/04/27	1.87
1980/04/28	1.87
1980/04/29	1.87
1980/04/30	1.80
1980/05/01	1.87
1980/05/02	1.87
1980/05/03	1.80
1980/05/04	1.80
1980/05/05	1.80
1980/05/06	1.80
1980/05/07	1.73
1980/05/08	1.73
1980/05/09	1.73
1980/05/10	1.67
1980/05/11	1.67
1980/05/12	1.60
1980/05/13	1.53
1980/05/14	1.47
1980/05/15	1.47
1980/05/16	1.47
1980/05/17	1.27
1980/05/18	1.33
1980/05/19	1.33
1980/05/20	1.67
1980/05/21	5.00
1980/05/22	43.10
1980/05/23	64.90
1980/05/24	67.60
1980/05/25	74.00
1980/05/26	59.20
1980/05/27	56.00
1980/05/28	46.60
1980/05/29	36.80
1980/05/30	31.00
1980/05/31	25.00
1980/06/01	19.50
1980/06/02	15.60
1980/06/03	14.80
1980/06/04	16.40
1980/06/05	13.40
1980/06/06	11.60
1980/06/07	8.90
1980/06/08	8.90
1980/06/09	7.60
1980/06/10	6.80
1980/06/11	6.40
1980/06/12	6.40
1980/06/13	7.00
1980/06/14	11.00
1980/06/15	10.40
1980/06/16	13.70
1980/06/17	8.30
1980/06/18	7.40
1980/06/19	9.50
1980/06/20	9.80
1980/06/21	15.20
1980/06/22	59.20
1980/06/23	47.30
1980/06/24	40.30
1980/06/25	34.70
1980/06/26	28.60
1980/06/27	52.00
1980/06/28	28.00
1980/06/29	23.00
1980/06/30	17.20
1980/07/01	11.30
1980/07/02	7.80
1980/07/03	6.40
1980/07/04	6.00
1980/07/05	5.60
1980/07/06	5.60
1980/07/07	6.00
1980/07/08	6.00
1980/07/09	6.00
1980/07/10	5.80
1980/07/11	5.60
1980/07/12	5.60
1980/07/13	5.40
1980/07/14	5.20
1980/07/15	5.20
1980/07/16	5.20
1980/07/17	5.40
1980/07/18	5.60
1980/07/19	5.20
1980/07/20	5.40
1980/07/21	5.20
1980/07/22	6.20
1980/07/23	38.20
1980/07/24	32.20
1980/07/25	47.30
1980/07/26	54.40
1980/07/27	41.70
1980/07/28	55.20
1980/07/29	77.00
1980/07/30	55.20
1980/07/31	39.60
1980/08/01	32.80
1980/08/02	22.00
1980/08/03	18.50
1980/08/04	14.80
1980/08/05	13.70
1980/08/06	12.20
1980/08/07	11.00
1980/08/08	10.70
1980/08/09	9.80
1980/08/10	9.50
1980/08/11	8.90
1980/08/12	8.60
1980/08/13	8.60
1980/08/14	8.60
1980/08/15	9.20
1980/08/16	9.50
1980/08/17	9.20
1980/08/18	8.60
1980/08/19	8.30
1980/08/20	11.00
1980/08/21	44.50
1980/08/22	24.50
1980/08/23	18.50
1980/08/24	13.70
1980/08/25	11.90
1980/08/26	11.30
1980/08/27	9.80
1980/08/28	9.80
1980/08/29	9.50
1980/08/30	8.90
1980/08/31	8.90
1980/09/01	12.20
1980/09/02	68.50
1980/09/03	79.00
1980/09/04	56.80
1980/09/05	44.50
1980/09/06	36.80
1980/09/07	51.20
1980/09/08	80.00
1980/09/09	123.80
1980/09/10	63.20
1980/09/11	44.50
1980/09/12	22.50
1980/09/13	12.20
1980/09/14	8.00
1980/09/15	6.40
1980/09/16	5.40
1980/09/17	7.80
1980/09/18	21.50
1980/09/19	20.00
1980/09/20	30.40
1980/09/21	43.80
1980/09/22	27.50
1980/09/23	24.50
1980/09/24	20.00
1980/09/25	13.40
1980/09/26	14.40
1980/09/27	11.00
1980/09/28	8.30
1980/09/29	6.20
1980/09/30	5.20
1980/10/01	7.20
1980/10/02	13.70
1980/10/03	78.00
1980/10/04	147.60
1980/10/05	162.60
1980/10/06	85.00
1980/10/07	66.70
1980/10/08	96.30
1980/10/09	113.90
1980/10/10	73.00
1980/10/11	56.00
1980/10/12	50.40
1980/10/13	41.70
1980/10/14	50.40
1980/10/15	41.70
1980/10/16	39.60
1980/10/17	48.80
1980/10/18	41.70
1980/10/19	39.60
1980/10/20	49.60
1980/10/21	43.80
1980/10/22	37.50
1980/10/23	33.40
1980/10/24	27.50
1980/10/25	24.50
1980/10/26	25.50
1980/10/27	20.50
1980/10/28	18.50
1980/10/29	16.00
1980/10/30	12.80
1980/10/31	12.80
1980/11/01	20.50
1980/11/02	14.40
1980/11/03	16.00
1980/11/04	14.40
1980/11/05	14.80
1980/11/06	13.10
1980/11/07	10.40
1980/11/08	11.90
1980/11/09	23.50
1980/11/10	40.30
1980/11/11	33.40
1980/11/12	26.00
1980/11/13	20.50
1980/11/14	15.20
1980/11/15	18.50
1980/11/16	17.20
1980/11/17	15.20
1980/11/18	13.10
1980/11/19	12.50
1980/11/20	13.10
1980/11/21	13.40
1980/11/22	12.80
1980/11/23	13.40
1980/11/24	12.80
1980/11/25	11.90
1980/11/26	11.60
1980/11/27	10.70
1980/11/28	9.50
1980/11/29	9.20
1980/11/30	9.20
1980/12/01	8.90
1980/12/02	8.30
1980/12/03	7.00
1980/12/04	5.40
1980/12/05	4.80
1980/12/06	4.80
1980/12/07	5.00
1980/12/08	4.60
1980/12/09	5.80
1980/12/10	5.20
1980/12/11	5.20
1980/12/12	4.80
1980/12/13	4.00
1980/12/14	3.60
1980/12/15	2.80
1980/12/16	3.00
1980/12/17	2.80
1980/12/18	2.40
1980/12/19	2.40
1980/12/20	2.00
1980/12/21	1.73
1980/12/22	1.67
1980/12/23	2.40
1980/12/24	2.40
1980/12/25	3.00
1980/12/26	3.00
1980/12/27	3.00
1980/12/28	2.80
1980/12/29	3.00
1980/12/30	2.80
1980/12/31	2.80
#===========================================
# Number of observations = 275 / 366
# Average = 19.23