1985/01/01	6.80
1985/01/02	6.80
1985/01/03	6.80
1985/01/04	6.40
1985/01/05	6.40
1985/01/06	6.00
1985/01/07	6.00
1985/01/08	6.00
1985/01/09	5.70
1985/01/10	5.70
1985/01/11	5.70
1985/01/12	5.40
1985/01/13	5.40
1985/01/14	5.10
1985/01/15	5.10
1985/01/16	4.80
1985/01/17	4.80
1985/01/18	4.80
1985/01/19	4.80
1985/01/20	4.80
1985/01/21	4.50
1985/01/22	4.50
1985/01/23	4.50
1985/01/24	4.50
1985/01/25	4.50
1985/01/26	4.20
1985/01/27	4.20
1985/01/28	4.20
1985/01/29	3.90
1985/01/30	3.90
1985/01/31	3.90
1985/02/01	3.90
1985/02/02	3.90
1985/02/03	3.60
1985/02/04	3.60
1985/02/05	3.30
1985/02/06	3.00
1985/02/07	3.00
1985/02/08	3.00
1985/02/09	3.00
1985/02/10	3.00
1985/02/11	2.80
1985/02/12	2.80
1985/02/13	2.60
1985/02/14	2.40
1985/02/15	2.40
1985/02/16	2.40
1985/02/17	2.40
1985/02/18	2.40
1985/02/19	2.40
1985/02/20	2.20
1985/02/21	2.00
1985/02/22	2.00
1985/02/23	2.00
1985/02/24	2.00
1985/02/25	1.80
1985/02/26	1.80
1985/02/27	1.80
1985/02/28	1.80
1985/03/01	1.60
1985/03/02	1.60
1985/03/03	1.40
1985/03/04	1.20
1985/03/05	1.20
1985/03/06	1.20
1985/03/07	1.20
1985/03/08	1.20
1985/03/09	1.20
1985/03/10	1.20
1985/03/11	1.00
1985/03/12	1.00
1985/03/13	0.90
1985/03/14	0.90
1985/03/15	0.90
1985/03/16	0.90
1985/03/17	0.80
1985/03/18	0.80
1985/03/19	0.80
1985/03/20	0.80
1985/03/21	0.70
1985/03/22	0.70
1985/03/23	0.70
1985/03/24	0.70
1985/03/25	0.70
1985/03/26	0.60
1985/03/27	0.60
1985/03/28	0.60
1985/03/29	0.50
1985/03/30	0.50
1985/03/31	0.50
1985/04/01	1.75
1985/04/02	1.75
1985/04/03	1.75
1985/04/04	1.75
1985/04/05	1.75
1985/04/06	1.60
1985/04/07	2.50
1985/04/08	2.35
1985/04/09	2.20
1985/04/10	2.20
1985/04/11	2.05
1985/04/12	2.05
1985/04/13	1.90
1985/04/14	1.90
1985/04/15	1.75
1985/04/16	1.60
1985/04/17	2.50
1985/04/18	3.50
1985/04/19	5.25
1985/04/20	6.00
1985/04/21	5.25
1985/04/22	3.90
1985/04/23	3.90
1985/04/24	3.90
1985/04/25	3.90
1985/04/26	3.30
1985/04/27	3.70
1985/04/28	4.50
1985/04/29	5.75
1985/04/30	6.25
1985/05/01	6.75
1985/05/02	7.00
1985/05/03	13.90
1985/05/04	9.70
1985/05/05	9.40
1985/05/06	9.10
1985/05/07	6.75
1985/05/08	14.30
1985/05/09	17.10
1985/05/10	7.90
1985/05/11	6.00
1985/05/12	5.50
1985/05/13	4.50
1985/05/14	4.30
1985/05/15	4.10
1985/05/16	4.75
1985/05/17	4.50
1985/05/18	3.70
1985/05/19	3.50
1985/05/20	5.50
1985/05/21	5.50
1985/05/22	9.70
1985/05/23	10.70
1985/05/24	19.75
1985/05/25	17.10
1985/05/26	17.10
1985/05/27	15.90
1985/05/28	13.50
1985/05/29	15.50
1985/05/30	94.00
1985/05/31	69.30
1985/06/01	50.80
1985/06/02	62.15
1985/06/03	44.20
1985/06/04	23.50
1985/06/05	16.70
1985/06/06	13.15
1985/06/07	11.40
1985/06/08	9.40
1985/06/09	8.80
1985/06/10	8.20
1985/06/11	7.60
1985/06/12	7.30
1985/06/13	6.75
1985/06/14	6.50
1985/06/15	6.50
1985/06/16	7.90
1985/06/17	8.50
1985/06/18	60.20
1985/06/19	28.50
1985/06/20	19.30
1985/06/21	49.60
1985/06/22	40.25
1985/06/23	34.20
1985/06/24	20.20
1985/06/25	15.10
1985/06/26	13.90
1985/06/27	11.40
1985/06/28	10.00
1985/06/29	8.80
1985/06/30	9.10
1985/07/01	10.00
1985/07/02	11.05
1985/07/03	11.40
1985/07/04	10.35
1985/07/05	9.10
1985/07/06	8.80
1985/07/07	7.90
1985/07/08	7.60
1985/07/09	7.60
1985/07/10	7.00
1985/07/11	7.00
1985/07/12	22.50
1985/07/13	39.15
1985/07/14	73.20
1985/07/15	73.85
1985/07/16	60.20
1985/07/17	52.00
1985/07/18	36.40
1985/07/19	27.50
1985/07/20	23.00
1985/07/21	22.00
1985/07/22	23.50
1985/07/23	41.35
1985/07/24	56.30
1985/07/25	75.15
1985/07/26	40.25
1985/07/27	30.50
1985/07/28	23.00
1985/07/29	21.10
1985/07/30	21.10
1985/07/31	34.20
1985/08/01	29.50
1985/08/02	25.50
1985/08/03	28.00
1985/08/04	37.50
1985/08/05	38.60
1985/08/06	38.05
1985/08/07	29.50
1985/08/08	27.50
1985/08/09	25.00
1985/08/10	39.70
1985/08/11	79.05
1985/08/12	52.60
1985/08/13	52.60
1985/08/14	36.40
1985/08/15	31.50
1985/08/16	104.40
1985/08/17	265.20
1985/08/18	168.70
1985/08/19	117.40
1985/08/20	150.80
1985/08/21	256.10
1985/08/22	249.60
1985/08/23	148.40
1985/08/24	110.90
1985/08/25	96.60
1985/08/26	91.40
1985/08/27	86.85
1985/08/28	65.40
1985/08/29	59.55
1985/08/30	62.15
1985/08/31	60.20
1985/09/01	204.00
1985/09/02	149.20
1985/09/03	112.85
1985/09/04	101.15
1985/09/05	84.25
1985/09/06	65.40
1985/09/07	55.65
1985/09/08	46.60
1985/09/09	39.70
1985/09/10	74.50
1985/09/11	149.20
1985/09/12	175.90
1985/09/13	195.00
1985/09/14	129.10
1985/09/15	291.00
1985/09/16	193.00
1985/09/17	153.20
1985/09/18	99.20
1985/09/19	71.25
1985/09/20	53.80
1985/09/21	44.20
1985/09/22	41.35
1985/09/23	108.30
1985/09/24	131.90
1985/09/25	117.40
1985/09/26	106.35
1985/09/27	72.55
1985/09/28	53.20
1985/09/29	51.40
1985/09/30	75.15
1985/10/01	90.10
1985/10/02	69.30
1985/10/03	49.00
1985/10/04	42.45
1985/10/05	37.50
1985/10/06	29.50
1985/10/07	27.00
1985/10/08	24.50
1985/10/09	22.00
1985/10/10	21.10
1985/10/11	22.50
1985/10/12	23.50
1985/10/13	23.50
1985/10/14	19.75
1985/10/15	19.75
1985/10/16	18.85
1985/10/17	18.40
1985/10/18	26.50
1985/10/19	97.25
1985/10/20	83.60
1985/10/21	122.10
1985/10/22	167.80
1985/10/23	90.10
1985/10/24	57.60
1985/10/25	43.00
1985/10/26	35.85
1985/10/27	32.55
1985/10/28	30.50
1985/10/29	28.00
1985/10/30	25.00
1985/10/31	23.50
1985/11/01	23.50
1985/11/02	24.50
1985/11/03	23.00
1985/11/04	22.50
1985/11/05	21.55
1985/11/06	20.65
1985/11/07	18.85
1985/11/08	17.50
1985/11/09	16.70
1985/11/10	15.10
1985/11/11	15.50
1985/11/12	15.90
1985/11/13	16.30
1985/11/14	23.00
1985/11/15	43.00
1985/11/16	61.50
1985/11/17	136.40
1985/11/18	114.15
1985/11/19	82.95
1985/11/20	122.10
1985/11/21	131.90
1985/11/22	93.35
1985/11/23	67.35
1985/11/24	52.60
1985/11/25	44.20
1985/11/26	38.60
1985/11/27	35.85
1985/11/28	32.55
1985/11/29	29.00
1985/11/30	27.00
1985/12/01	26.00
1985/12/02	24.50
1985/12/03	23.00
1985/12/04	20.65
1985/12/05	22.00
1985/12/06	20.65
1985/12/07	19.75
1985/12/08	18.85
1985/12/09	17.50
1985/12/10	16.70
1985/12/11	16.30
1985/12/12	15.90
1985/12/13	15.50
1985/12/14	15.10
1985/12/15	14.70
1985/12/16	14.30
1985/12/17	13.90
1985/12/18	13.15
1985/12/19	12.80
1985/12/20	12.45
1985/12/21	11.75
1985/12/22	11.40
1985/12/23	11.05
1985/12/24	11.05
1985/12/25	11.05
1985/12/26	10.35
1985/12/27	10.35
1985/12/28	9.70
1985/12/29	8.80
1985/12/30	10.00
1985/12/31	10.00
#===========================================
# Number of observations = 365 / 365
# Average = 31.49