1985/01/01	6.00
1985/01/02	5.80
1985/01/03	5.80
1985/01/04	5.60
1985/01/05	5.40
1985/01/06	5.40
1985/01/07	5.20
1985/01/08	5.20
1985/01/09	5.20
1985/01/10	5.00
1985/01/11	5.00
1985/01/12	5.00
1985/01/13	4.80
1985/01/14	4.80
1985/01/15	4.80
1985/01/16	4.80
1985/01/17	4.60
1985/01/18	4.60
1985/01/19	4.60
1985/01/20	4.40
1985/01/21	4.40
1985/01/22	4.40
1985/01/23	4.20
1985/01/24	4.20
1985/01/25	4.00
1985/01/26	4.00
1985/01/27	4.00
1985/01/28	4.00
1985/01/29	3.80
1985/01/30	3.80
1985/01/31	3.80
1985/02/01	3.80
1985/02/02	3.80
1985/02/03	3.60
1985/02/04	3.60
1985/02/05	3.60
1985/02/06	3.40
1985/02/07	3.40
1985/02/08	3.40
1985/02/09	3.40
1985/02/10	3.40
1985/02/11	3.20
1985/02/12	3.20
1985/02/13	3.20
1985/02/14	3.20
1985/02/15	3.20
1985/02/16	3.20
1985/02/17	3.00
1985/02/18	3.00
1985/02/19	3.00
1985/02/20	2.85
1985/02/21	2.85
1985/02/22	2.85
1985/02/23	2.70
1985/02/24	2.70
1985/02/25	2.70
1985/02/26	2.70
1985/02/27	2.55
1985/02/28	2.55
1985/03/01	2.55
1985/03/02	2.55
1985/03/03	2.55
1985/03/04	2.55
1985/03/05	2.40
1985/03/06	2.40
1985/03/07	2.40
1985/03/08	2.40
1985/03/09	2.40
1985/03/10	2.40
1985/03/11	2.25
1985/03/12	2.25
1985/03/13	2.25
1985/03/14	2.25
1985/03/15	2.25
1985/03/16	2.25
1985/03/17	2.25
1985/03/18	2.25
1985/03/19	2.10
1985/03/20	2.10
1985/03/21	2.10
1985/03/22	2.10
1985/03/23	1.95
1985/03/24	1.95
1985/03/25	1.95
1985/03/26	1.80
1985/03/27	1.80
1985/03/28	1.80
1985/03/29	1.65
1985/03/30	1.65
1985/03/31	1.65
1985/04/01	1.45
1985/04/02	1.75
1985/04/03	3.90
1985/04/04	4.90
1985/04/05	3.10
1985/04/06	2.35
1985/04/07	1.60
1985/04/08	1.45
1985/04/09	1.45
1985/04/10	1.30
1985/04/11	1.30
1985/04/12	1.30
1985/04/13	1.30
1985/04/14	1.30
1985/04/15	1.75
1985/04/16	2.20
1985/04/17	2.70
1985/04/18	3.10
1985/04/19	3.50
1985/04/20	3.90
1985/04/21	3.50
1985/04/22	2.05
1985/04/23	1.60
1985/04/24	2.20
1985/04/25	2.50
1985/04/26	44.20
1985/04/27	9.60
1985/04/28	7.00
1985/04/29	5.70
1985/04/30	5.70
1985/05/01	5.50
1985/05/02	5.10
1985/05/03	4.70
1985/05/04	4.10
1985/05/05	3.30
1985/05/06	2.70
1985/05/07	2.35
1985/05/08	2.05
1985/05/09	1.90
1985/05/10	1.90
1985/05/11	2.50
1985/05/12	2.50
1985/05/13	2.05
1985/05/14	1.90
1985/05/15	2.05
1985/05/16	1.90
1985/05/17	2.05
1985/05/18	2.05
1985/05/19	1.90
1985/05/20	1.90
1985/05/21	1.75
1985/05/22	3.30
1985/05/23	3.50
1985/05/24	2.20
1985/05/25	4.30
1985/05/26	3.90
1985/05/27	3.30
1985/05/28	6.75
1985/05/29	4.90
1985/05/30	14.40
1985/05/31	9.60
1985/06/01	7.25
1985/06/02	9.90
1985/06/03	6.50
1985/06/04	5.10
1985/06/05	4.10
1985/06/06	3.90
1985/06/07	3.30
1985/06/08	2.90
1985/06/09	2.50
1985/06/10	2.90
1985/06/11	3.30
1985/06/12	3.50
1985/06/13	3.50
1985/06/14	3.70
1985/06/15	5.90
1985/06/16	4.30
1985/06/17	4.10
1985/06/18	3.90
1985/06/19	8.75
1985/06/20	9.60
1985/06/21	12.30
1985/06/22	10.50
1985/06/23	9.30
1985/06/24	6.75
1985/06/25	5.90
1985/06/26	5.10
1985/06/27	5.10
1985/06/28	5.10
1985/06/29	5.30
1985/06/30	12.00
1985/07/01	13.20
1985/07/02	9.60
1985/07/03	14.40
1985/07/04	9.90
1985/07/05	9.00
1985/07/06	7.25
1985/07/07	7.00
1985/07/08	7.75
1985/07/09	7.25
1985/07/10	6.75
1985/07/11	9.90
1985/07/12	8.50
1985/07/13	12.00
1985/07/14	14.40
1985/07/15	31.00
1985/07/16	29.00
1985/07/17	17.40
1985/07/18	17.40
1985/07/19	12.60
1985/07/20	10.20
1985/07/21	12.00
1985/07/22	78.20
1985/07/23	30.20
1985/07/24	34.60
1985/07/25	20.45
1985/07/26	15.30
1985/07/27	22.55
1985/07/28	25.00
1985/07/29	70.40
1985/07/30	41.50
1985/07/31	37.45
1985/08/01	20.10
1985/08/02	23.25
1985/08/03	19.40
1985/08/04	28.20
1985/08/05	25.40
1985/08/06	31.80
1985/08/07	24.65
1985/08/08	31.40
1985/08/09	47.50
1985/08/10	31.80
1985/08/11	160.25
1985/08/12	54.50
1985/08/13	33.40
1985/08/14	27.00
1985/08/15	27.40
1985/08/16	216.00
1985/08/17	118.60
1985/08/18	92.00
1985/08/19	131.20
1985/08/20	78.80
1985/08/21	67.65
1985/08/22	53.50
1985/08/23	47.00
1985/08/24	40.60
1985/08/25	41.05
1985/08/26	40.15
1985/08/27	35.40
1985/08/28	42.40
1985/08/29	36.20
1985/08/30	45.55
1985/08/31	75.90
1985/09/01	46.00
1985/09/02	42.85
1985/09/03	41.05
1985/09/04	35.40
1985/09/05	31.00
1985/09/06	27.40
1985/09/07	25.00
1985/09/08	22.90
1985/09/09	22.20
1985/09/10	20.80
1985/09/11	18.00
1985/09/12	17.70
1985/09/13	23.95
1985/09/14	24.65
1985/09/15	28.60
1985/09/16	30.60
1985/09/17	21.15
1985/09/18	18.35
1985/09/19	16.80
1985/09/20	15.60
1985/09/21	15.30
1985/09/22	14.40
1985/09/23	14.70
1985/09/24	17.40
1985/09/25	15.90
1985/09/26	17.70
1985/09/27	15.00
1985/09/28	15.60
1985/09/29	15.90
1985/09/30	15.00
1985/10/01	12.90
1985/10/02	11.70
1985/10/03	11.10
1985/10/04	10.50
1985/10/05	10.20
1985/10/06	9.60
1985/10/07	9.30
1985/10/08	9.00
1985/10/09	8.75
1985/10/10	8.50
1985/10/11	8.50
1985/10/12	8.50
1985/10/13	8.25
1985/10/14	8.25
1985/10/15	8.50
1985/10/16	8.25
1985/10/17	8.25
1985/10/18	8.75
1985/10/19	8.50
1985/10/20	9.90
1985/10/21	13.50
1985/10/22	8.75
1985/10/23	8.00
1985/10/24	7.75
1985/10/25	7.50
1985/10/26	7.25
1985/10/27	7.25
1985/10/28	7.25
1985/10/29	7.00
1985/10/30	7.00
1985/10/31	6.75
1985/11/01	7.25
1985/11/02	8.25
1985/11/03	7.25
1985/11/04	6.75
1985/11/05	6.50
1985/11/06	6.50
1985/11/07	6.30
1985/11/08	6.30
1985/11/09	6.10
1985/11/10	6.10
1985/11/11	5.90
1985/11/12	5.90
1985/11/13	8.25
1985/11/14	6.50
1985/11/15	6.30
1985/11/16	10.80
1985/11/17	16.50
1985/11/18	9.90
1985/11/19	8.50
1985/11/20	15.90
1985/11/21	13.80
1985/11/22	10.80
1985/11/23	9.00
1985/11/24	7.75
1985/11/25	7.25
1985/11/26	7.00
1985/11/27	6.75
1985/11/28	6.50
1985/11/29	6.50
1985/11/30	6.30
1985/12/01	6.10
1985/12/02	5.90
1985/12/03	5.90
1985/12/04	5.70
1985/12/05	5.70
1985/12/06	5.70
1985/12/07	5.70
1985/12/08	5.70
1985/12/09	5.70
1985/12/10	5.50
1985/12/11	5.50
1985/12/12	5.50
1985/12/13	5.50
1985/12/14	5.50
1985/12/15	5.30
1985/12/16	5.30
1985/12/17	5.10
1985/12/18	5.10
1985/12/19	4.90
1985/12/20	4.90
1985/12/21	4.70
1985/12/22	4.70
1985/12/23	4.50
1985/12/24	4.30
1985/12/25	4.10
1985/12/26	3.90
1985/12/27	3.90
1985/12/28	3.90
1985/12/29	3.90
1985/12/30	3.90
1985/12/31	3.90
#===========================================
# Number of observations = 365 / 365
# Average = 12.25