1982/01/01	16.80
1982/01/02	16.80
1982/01/03	16.45
1982/01/04	16.45
1982/01/05	16.45
1982/01/06	16.45
1982/01/07	16.45
1982/01/08	16.10
1982/01/09	16.10
1982/01/10	16.10
1982/01/11	15.75
1982/01/12	15.75
1982/01/13	15.75
1982/01/14	15.75
1982/01/15	15.75
1982/01/16	15.40
1982/01/17	16.80
1982/01/18	16.45
1982/01/19	16.80
1982/01/20	16.45
1982/01/21	16.10
1982/01/22	15.75
1982/01/23	15.40
1982/01/24	15.40
1982/01/25	15.05
1982/01/26	15.05
1982/01/27	14.70
1982/01/28	15.05
1982/01/29	15.05
1982/01/30	14.70
1982/01/31	14.70
1982/02/01	14.70
1982/02/02	14.35
1982/02/03	14.35
1982/02/04	14.35
1982/02/05	14.35
1982/02/06	14.35
1982/02/07	14.35
1982/02/08	14.35
1982/02/09	14.35
1982/02/10	14.00
1982/02/11	14.00
1982/02/12	14.00
1982/02/13	14.00
1982/02/14	13.70
1982/02/15	13.70
1982/02/16	13.70
1982/02/17	13.70
1982/02/18	13.70
1982/02/19	13.70
1982/02/20	13.70
1982/02/21	13.70
1982/02/22	13.70
1982/02/23	13.70
1982/02/24	13.40
1982/02/25	13.40
1982/02/26	13.40
1982/02/27	13.40
1982/02/28	13.40
1982/03/01	13.10
1982/03/02	13.10
1982/03/03	13.10
1982/03/04	13.40
1982/03/05	13.70
1982/03/06	13.70
1982/03/07	13.40
1982/03/08	13.40
1982/03/09	13.40
1982/03/10	13.40
1982/03/11	13.10
1982/03/12	13.10
1982/03/13	13.10
1982/03/14	13.10
1982/03/15	12.80
1982/03/16	12.80
1982/03/17	12.80
1982/03/18	12.80
1982/03/19	12.50
1982/03/20	12.50
1982/03/21	12.50
1982/03/22	12.50
1982/03/23	12.20
1982/03/24	12.20
1982/03/25	12.20
1982/03/26	12.20
1982/03/27	11.90
1982/03/28	14.70
1982/03/29	13.70
1982/03/30	14.35
1982/03/31	13.70
1982/04/01	13.70
1982/04/02	13.10
1982/04/03	12.80
1982/04/04	12.50
1982/04/05	12.20
1982/04/06	13.10
1982/04/07	13.40
1982/04/08	13.70
1982/04/09	13.70
1982/04/10	14.35
1982/04/11	14.00
1982/04/12	14.00
1982/04/13	13.10
1982/04/14	15.75
1982/04/15	26.45
1982/04/16	24.65
1982/04/17	21.10
1982/04/18	20.70
1982/04/19	19.90
1982/04/20	18.70
1982/04/21	16.80
1982/04/22	14.35
1982/04/23	13.70
1982/04/24	13.40
1982/04/25	13.10
1982/04/26	12.50
1982/04/27	12.50
1982/04/28	12.20
1982/04/29	11.90
1982/04/30	11.60
1982/05/01	11.60
1982/05/02	11.60
1982/05/03	11.60
1982/05/04	11.30
1982/05/05	13.70
1982/05/06	14.00
1982/05/07	14.35
1982/05/08	13.70
1982/05/09	12.50
1982/05/10	12.20
1982/05/11	11.90
1982/05/12	11.90
1982/05/13	11.90
1982/05/14	13.40
1982/05/15	14.35
1982/05/16	12.80
1982/05/17	13.10
1982/05/18	13.40
1982/05/19	12.80
1982/05/20	12.80
1982/05/21	12.50
1982/05/22	13.40
1982/05/23	13.10
1982/05/24	12.80
1982/05/25	14.00
1982/05/26	18.30
1982/05/27	19.10
1982/05/28	16.45
1982/05/29	34.00
1982/05/30	30.05
1982/05/31	29.15
1982/06/01	19.90
1982/06/02	17.15
1982/06/03	15.75
1982/06/04	16.45
1982/06/05	19.10
1982/06/06	19.50
1982/06/07	20.30
1982/06/08	29.15
1982/06/09	34.50
1982/06/10	26.45
1982/06/11	23.30
1982/06/12	20.30
1982/06/13	18.30
1982/06/14	17.90
1982/06/15	17.50
1982/06/16	17.15
1982/06/17	16.80
1982/06/18	15.05
1982/06/19	14.70
1982/06/20	14.00
1982/06/21	14.00
1982/06/22	13.40
1982/06/23	13.70
1982/06/24	15.75
1982/06/25	15.05
1982/06/26	14.00
1982/06/27	14.00
1982/06/28	14.00
1982/06/29	14.00
1982/06/30	13.40
1982/07/01	13.70
1982/07/02	14.00
1982/07/03	15.40
1982/07/04	15.05
1982/07/05	15.40
1982/07/06	15.75
1982/07/07	39.00
1982/07/08	44.10
1982/07/09	28.25
1982/07/10	29.60
1982/07/11	28.70
1982/07/12	27.35
1982/07/13	27.80
1982/07/14	37.50
1982/07/15	36.50
1982/07/16	31.50
1982/07/17	33.00
1982/07/18	63.70
1982/07/19	40.50
1982/07/20	35.00
1982/07/21	51.70
1982/07/22	44.10
1982/07/23	40.00
1982/07/24	36.00
1982/07/25	32.50
1982/07/26	29.15
1982/07/27	25.55
1982/07/28	23.75
1982/07/29	21.10
1982/07/30	21.50
1982/07/31	21.10
1982/08/01	23.75
1982/08/02	23.30
1982/08/03	21.10
1982/08/04	20.30
1982/08/05	20.70
1982/08/06	24.65
1982/08/07	27.80
1982/08/08	28.70
1982/08/09	27.35
1982/08/10	29.15
1982/08/11	33.50
1982/08/12	41.70
1982/08/13	42.30
1982/08/14	44.10
1982/08/15	46.50
1982/08/16	46.50
1982/08/17	49.10
1982/08/18	51.05
1982/08/19	51.70
1982/08/20	63.00
1982/08/21	111.00
1982/08/22	122.00
1982/08/23	65.80
1982/08/24	62.30
1982/08/25	68.10
1982/08/26	72.10
1982/08/27	54.30
1982/08/28	47.80
1982/08/29	41.70
1982/08/30	37.50
1982/08/31	36.00
1982/09/01	37.50
1982/09/02	37.50
1982/09/03	38.50
1982/09/04	39.50
1982/09/05	49.75
1982/09/06	41.70
1982/09/07	38.00
1982/09/08	42.90
1982/09/09	70.50
1982/09/10	76.90
1982/09/11	64.40
1982/09/12	60.90
1982/09/13	63.00
1982/09/14	47.15
1982/09/15	45.90
1982/09/16	41.70
1982/09/17	64.40
1982/09/18	57.55
1982/09/19	46.50
1982/09/20	41.10
1982/09/21	44.10
1982/09/22	48.45
1982/09/23	43.50
1982/09/24	43.50
1982/09/25	86.75
1982/09/26	90.15
1982/09/27	99.10
1982/09/28	134.00
1982/09/29	153.30
1982/09/30	117.00
1982/10/01	83.35
1982/10/02	66.50
1982/10/03	58.20
1982/10/04	55.60
1982/10/05	57.55
1982/10/06	51.70
1982/10/07	45.90
1982/10/08	45.30
1982/10/09	44.70
1982/10/10	45.30
1982/10/11	41.70
1982/10/12	60.90
1982/10/13	51.70
1982/10/14	42.30
1982/10/15	38.00
1982/10/16	35.00
1982/10/17	34.50
1982/10/18	31.50
1982/10/19	30.50
1982/10/20	30.05
1982/10/21	28.70
1982/10/22	27.35
1982/10/23	26.90
1982/10/24	26.90
1982/10/25	27.80
1982/10/26	27.80
1982/10/27	27.35
1982/10/28	27.80
1982/10/29	27.35
1982/10/30	27.35
1982/10/31	26.90
1982/11/01	25.10
1982/11/02	26.90
1982/11/03	24.20
1982/11/04	25.55
1982/11/05	22.85
1982/11/06	21.95
1982/11/07	21.95
1982/11/08	21.50
1982/11/09	21.50
1982/11/10	21.10
1982/11/11	20.70
1982/11/12	20.70
1982/11/13	20.70
1982/11/14	24.20
1982/11/15	26.00
1982/11/16	22.85
1982/11/17	19.10
1982/11/18	18.70
1982/11/19	19.10
1982/11/20	18.70
1982/11/21	18.70
1982/11/22	17.90
1982/11/23	17.50
1982/11/24	17.15
1982/11/25	17.15
1982/11/26	17.15
1982/11/27	17.15
1982/11/28	17.15
1982/11/29	17.15
1982/11/30	16.80
1982/12/01	16.80
1982/12/02	16.80
1982/12/03	16.45
1982/12/04	16.45
1982/12/05	16.10
1982/12/06	16.10
1982/12/07	15.75
1982/12/08	15.75
1982/12/09	15.75
1982/12/10	15.40
1982/12/11	15.40
1982/12/12	15.40
1982/12/13	15.40
1982/12/14	15.40
1982/12/15	15.05
1982/12/16	15.05
1982/12/17	15.05
1982/12/18	15.05
1982/12/19	15.05
1982/12/20	15.05
1982/12/21	15.05
1982/12/22	14.70
1982/12/23	14.70
1982/12/24	14.70
1982/12/25	14.70
1982/12/26	14.70
1982/12/27	14.35
1982/12/28	14.35
1982/12/29	14.00
1982/12/30	14.00
1982/12/31	14.00
#===========================================
# Number of observations = 365 / 365
# Average = 25.54