1982/01/01	9.20
1982/01/02	9.20
1982/01/03	8.80
1982/01/04	8.80
1982/01/05	8.40
1982/01/06	8.40
1982/01/07	8.00
1982/01/08	8.80
1982/01/09	8.40
1982/01/10	8.40
1982/01/11	8.40
1982/01/12	7.60
1982/01/13	7.60
1982/01/14	7.60
1982/01/15	7.20
1982/01/16	7.20
1982/01/17	7.20
1982/01/18	7.20
1982/01/19	7.60
1982/01/20	7.60
1982/01/21	6.80
1982/01/22	6.80
1982/01/23	6.80
1982/01/24	7.20
1982/01/25	6.80
1982/01/26	6.80
1982/01/27	6.40
1982/01/28	6.00
1982/01/29	6.00
1982/01/30	6.00
1982/01/31	6.00
1982/02/01	6.00
1982/02/02	6.00
1982/02/03	6.40
1982/02/04	6.40
1982/02/05	6.80
1982/02/06	6.00
1982/02/07	6.00
1982/02/08	6.00
1982/02/09	6.40
1982/02/10	6.80
1982/02/11	6.80
1982/02/12	6.80
1982/02/13	6.80
1982/02/14	6.80
1982/02/15	7.20
1982/02/16	7.20
1982/02/17	6.80
1982/02/18	7.20
1982/02/19	7.20
1982/02/20	6.80
1982/02/21	6.80
1982/02/22	6.40
1982/02/23	6.40
1982/02/24	6.80
1982/02/25	6.80
1982/02/26	6.40
1982/02/27	6.40
1982/02/28	5.60
1982/03/01	4.80
1982/03/02	5.20
1982/03/03	4.80
1982/03/04	5.60
1982/03/05	5.60
1982/03/06	5.60
1982/03/07	5.60
1982/03/08	3.75
1982/03/09	3.50
1982/03/10	3.25
1982/03/11	3.25
1982/03/12	3.25
1982/03/13	3.25
1982/03/14	3.25
1982/03/15	3.25
1982/03/16	3.25
1982/03/17	3.25
1982/03/18	3.25
1982/03/19	3.00
1982/03/20	3.00
1982/03/21	3.00
1982/03/22	3.25
1982/03/23	3.00
1982/03/24	3.00
1982/03/25	3.00
1982/03/26	3.00
1982/03/27	3.00
1982/03/28	3.00
1982/03/29	3.00
1982/03/30	3.00
1982/03/31	3.00
1982/04/01	2.75
1982/04/02	2.75
1982/04/03	2.75
1982/04/04	3.00
1982/04/05	2.25
1982/04/06	4.00
1982/04/07	3.50
1982/04/08	4.00
1982/04/09	4.80
1982/04/10	6.00
1982/04/11	4.80
1982/04/12	4.40
1982/04/13	4.00
1982/04/14	4.00
1982/04/15	3.75
1982/04/16	3.50
1982/04/17	3.50
1982/04/18	3.50
1982/04/19	3.75
1982/04/20	4.00
1982/04/21	4.00
1982/04/22	3.75
1982/04/23	3.75
1982/04/24	3.75
1982/04/25	3.25
1982/04/26	3.25
1982/04/27	3.25
1982/04/28	3.25
1982/04/29	3.00
1982/04/30	3.00
1982/05/01	2.50
1982/05/02	2.50
1982/05/03	2.50
1982/05/04	2.75
1982/05/05	2.75
1982/05/06	2.75
1982/05/07	2.75
1982/05/08	3.00
1982/05/09	3.00
1982/05/10	2.75
1982/05/11	2.75
1982/05/12	2.50
1982/05/13	2.25
1982/05/14	2.00
1982/05/15	1.50
1982/05/16	1.50
1982/05/17	1.50
1982/05/18	1.75
1982/05/19	1.75
1982/05/20	2.00
1982/05/21	2.00
1982/05/22	1.75
1982/05/23	1.35
1982/05/24	1.35
1982/05/25	1.35
1982/05/26	1.35
1982/05/27	2.50
1982/05/28	4.00
1982/05/29	5.60
1982/05/30	7.60
1982/05/31	9.60
1982/06/01	22.40
1982/06/02	11.20
1982/06/03	13.00
1982/06/04	17.00
1982/06/05	17.00
1982/06/06	17.00
1982/06/07	16.50
1982/06/08	17.00
1982/06/09	18.20
1982/06/10	12.50
1982/06/11	9.60
1982/06/12	8.80
1982/06/13	8.00
1982/06/14	10.00
1982/06/15	8.40
1982/06/16	7.20
1982/06/17	7.20
1982/06/18	6.80
1982/06/19	5.60
1982/06/20	5.20
1982/06/21	4.80
1982/06/22	4.40
1982/06/23	4.40
1982/06/24	4.40
1982/06/25	4.40
1982/06/26	4.00
1982/06/27	4.00
1982/06/28	4.00
1982/06/29	4.00
1982/06/30	4.80
1982/07/01	5.20
1982/07/02	5.60
1982/07/03	5.60
1982/07/04	5.60
1982/07/05	8.80
1982/07/06	11.60
1982/07/07	8.40
1982/07/08	9.60
1982/07/09	10.80
1982/07/10	12.00
1982/07/11	13.00
1982/07/12	10.80
1982/07/13	10.00
1982/07/14	9.60
1982/07/15	8.80
1982/07/16	8.00
1982/07/17	6.80
1982/07/18	6.00
1982/07/19	5.60
1982/07/20	8.00
1982/07/21	11.20
1982/07/22	8.40
1982/07/23	7.20
1982/07/24	6.40
1982/07/25	5.60
1982/07/26	6.40
1982/07/27	6.40
1982/07/28	6.80
1982/07/29	7.20
1982/07/30	6.80
1982/07/31	6.40
1982/08/01	7.20
1982/08/02	8.40
1982/08/03	7.60
1982/08/04	6.40
1982/08/05	4.00
1982/08/06	6.40
1982/08/07	14.50
1982/08/08	7.60
1982/08/09	6.80
1982/08/10	6.40
1982/08/11	8.80
1982/08/12	9.20
1982/08/13	10.80
1982/08/14	14.50
1982/08/15	12.50
1982/08/16	10.80
1982/08/17	13.00
1982/08/18	20.00
1982/08/19	19.40
1982/08/20	14.50
1982/08/21	15.50
1982/08/22	15.00
1982/08/23	13.50
1982/08/24	13.50
1982/08/25	15.00
1982/08/26	18.20
1982/08/27	17.00
1982/08/28	16.00
1982/08/29	13.50
1982/08/30	11.60
1982/08/31	10.80
1982/09/01	10.40
1982/09/02	11.60
1982/09/03	15.00
1982/09/04	15.50
1982/09/05	14.50
1982/09/06	14.50
1982/09/07	12.00
1982/09/08	12.00
1982/09/09	24.80
1982/09/10	26.60
1982/09/11	29.60
1982/09/12	23.60
1982/09/13	18.20
1982/09/14	16.50
1982/09/15	14.50
1982/09/16	14.00
1982/09/17	21.80
1982/09/18	21.20
1982/09/19	20.00
1982/09/20	20.60
1982/09/21	28.40
1982/09/22	33.20
1982/09/23	36.40
1982/09/24	28.40
1982/09/25	27.20
1982/09/26	33.20
1982/09/27	36.40
1982/09/28	49.20
1982/09/29	38.50
1982/09/30	45.20
1982/10/01	42.80
1982/10/02	35.70
1982/10/03	35.70
1982/10/04	34.40
1982/10/05	29.60
1982/10/06	27.20
1982/10/07	25.40
1982/10/08	23.00
1982/10/09	25.40
1982/10/10	24.20
1982/10/11	22.40
1982/10/12	27.20
1982/10/13	27.20
1982/10/14	23.60
1982/10/15	21.20
1982/10/16	19.40
1982/10/17	18.20
1982/10/18	17.00
1982/10/19	17.00
1982/10/20	16.00
1982/10/21	15.00
1982/10/22	15.00
1982/10/23	15.00
1982/10/24	14.00
1982/10/25	18.20
1982/10/26	18.80
1982/10/27	16.50
1982/10/28	16.50
1982/10/29	15.50
1982/10/30	15.50
1982/10/31	14.50
1982/11/01	13.50
1982/11/02	13.50
1982/11/03	13.50
1982/11/04	13.00
1982/11/05	13.00
1982/11/06	12.50
1982/11/07	11.60
1982/11/08	11.20
1982/11/09	11.60
1982/11/10	11.20
1982/11/11	11.20
1982/11/12	11.20
1982/11/13	11.20
1982/11/14	11.20
1982/11/15	11.20
1982/11/16	10.80
1982/11/17	10.40
1982/11/18	10.40
1982/11/19	10.40
1982/11/20	10.40
1982/11/21	10.40
1982/11/22	10.40
1982/11/23	10.40
1982/11/24	11.60
1982/11/25	12.50
1982/11/26	11.20
1982/11/27	10.40
1982/11/28	10.40
1982/11/29	9.60
1982/11/30	9.20
1982/12/01	8.40
1982/12/02	8.40
1982/12/03	8.40
1982/12/04	8.40
1982/12/05	8.40
1982/12/06	8.00
1982/12/07	7.60
1982/12/08	7.60
1982/12/09	7.60
1982/12/10	7.60
1982/12/11	7.60
1982/12/12	7.60
1982/12/13	8.00
1982/12/14	8.00
1982/12/15	8.00
1982/12/16	8.00
1982/12/17	8.00
1982/12/18	8.00
1982/12/19	8.00
1982/12/20	8.00
1982/12/21	7.60
1982/12/22	7.60
1982/12/23	7.60
1982/12/24	7.60
1982/12/25	7.60
1982/12/26	7.20
1982/12/27	7.20
1982/12/28	7.20
1982/12/29	7.20
1982/12/30	7.20
1982/12/31	7.20
#===========================================
# Number of observations = 365 / 365
# Average = 9.87