1985/01/01	6.20
1985/01/02	6.20
1985/01/03	6.05
1985/01/04	5.90
1985/01/05	5.75
1985/01/06	5.60
1985/01/07	5.60
1985/01/08	5.45
1985/01/09	5.30
1985/01/10	5.15
1985/01/11	5.00
1985/01/12	4.90
1985/01/13	4.80
1985/01/14	4.70
1985/01/15	4.60
1985/01/16	4.60
1985/01/17	4.60
1985/01/18	4.50
1985/01/19	4.50
1985/01/20	4.50
1985/01/21	4.40
1985/01/22	4.30
1985/01/23	4.30
1985/01/24	4.20
1985/01/25	4.10
1985/01/26	4.20
1985/01/27	4.40
1985/01/28	6.80
1985/01/29	7.25
1985/01/30	6.05
1985/01/31	5.00
1985/02/01	4.70
1985/02/02	4.40
1985/02/03	4.20
1985/02/04	3.90
1985/02/05	3.80
1985/02/06	3.60
1985/02/07	3.60
1985/02/08	3.60
1985/02/09	3.40
1985/02/10	3.30
1985/02/11	3.10
1985/02/12	3.00
1985/02/13	2.90
1985/02/14	2.80
1985/02/15	2.70
1985/02/16	2.60
1985/02/17	2.60
1985/02/18	2.50
1985/02/19	2.40
1985/02/20	2.40
1985/02/21	2.30
1985/02/22	2.30
1985/02/23	2.20
1985/02/24	2.50
1985/02/25	2.60
1985/02/26	2.60
1985/02/27	3.50
1985/02/28	4.20
1985/03/01	3.80
1985/03/02	3.40
1985/03/03	3.20
1985/03/04	2.90
1985/03/05	2.50
1985/03/06	2.30
1985/03/07	2.10
1985/03/08	2.20
1985/03/09	2.20
1985/03/10	2.30
1985/03/11	2.30
1985/03/12	2.20
1985/03/13	2.00
1985/03/14	1.80
1985/03/15	1.80
1985/03/16	1.70
1985/03/17	1.60
1985/03/18	1.50
1985/03/19	1.40
1985/03/20	1.40
1985/03/21	1.30
1985/03/22	1.30
1985/03/23	1.30
1985/03/24	1.20
1985/03/25	1.20
1985/03/26	1.10
1985/03/27	1.20
1985/03/28	1.00
1985/03/29	1.00
1985/03/30	0.70
1985/03/31	1.00
1985/04/01	1.10
1985/04/02	1.30
1985/04/03	1.10
1985/04/04	1.00
1985/04/05	1.00
1985/04/06	0.80
1985/04/07	0.90
1985/04/08	1.10
1985/04/09	1.30
1985/04/10	1.20
1985/04/11	1.50
1985/04/12	1.30
1985/04/13	1.10
1985/04/14	0.80
1985/04/15	0.70
1985/04/16	0.50
1985/04/17	1.20
1985/04/18	4.10
1985/04/19	3.50
1985/04/20	2.20
1985/04/21	2.30
1985/04/22	2.10
1985/04/23	1.90
1985/04/24	2.40
1985/04/25	2.40
1985/04/26	2.40
1985/04/27	3.30
1985/04/28	4.30
1985/04/29	6.40
1985/04/30	6.10
1985/05/01	5.00
1985/05/02	4.10
1985/05/03	3.70
1985/05/04	3.00
1985/05/05	2.40
1985/05/06	2.10
1985/05/07	2.00
1985/05/08	2.00
1985/05/09	2.90
1985/05/10	2.40
1985/05/11	5.30
1985/05/12	5.60
1985/05/13	5.50
1985/05/14	6.10
1985/05/15	6.90
1985/05/16	7.70
1985/05/17	7.00
1985/05/18	6.20
1985/05/19	5.00
1985/05/20	4.20
1985/05/21	4.10
1985/05/22	4.90
1985/05/23	5.60
1985/05/24	5.40
1985/05/25	4.20
1985/05/26	5.10
1985/05/27	6.60
1985/05/28	7.50
1985/05/29	13.00
1985/05/30	21.00
1985/05/31	47.70
1985/06/01	29.60
1985/06/02	33.90
1985/06/03	27.00
1985/06/04	24.00
1985/06/05	23.00
1985/06/06	28.80
1985/06/07	28.60
1985/06/08	18.40
1985/06/09	14.00
1985/06/10	10.60
1985/06/11	11.60
1985/06/12	9.70
1985/06/13	9.30
1985/06/14	9.80
1985/06/15	25.20
1985/06/16	54.60
1985/06/17	42.30
1985/06/18	29.40
1985/06/19	22.60
1985/06/20	21.40
1985/06/21	19.20
1985/06/22	18.00
1985/06/23	20.40
1985/06/24	26.20
1985/06/25	23.80
1985/06/26	20.60
1985/06/27	20.80
1985/06/28	27.80
1985/06/29	27.00
1985/06/30	39.60
1985/07/01	81.60
1985/07/02	59.40
1985/07/03	58.20
1985/07/04	52.50
1985/07/05	47.70
1985/07/06	33.30
1985/07/07	27.40
1985/07/08	26.00
1985/07/09	23.00
1985/07/10	22.80
1985/07/11	21.00
1985/07/12	20.40
1985/07/13	19.80
1985/07/14	25.40
1985/07/15	30.30
1985/07/16	35.40
1985/07/17	29.00
1985/07/18	38.10
1985/07/19	108.80
1985/07/20	99.20
1985/07/21	60.30
1985/07/22	46.20
1985/07/23	78.80
1985/07/24	68.40
1985/07/25	42.60
1985/07/26	54.60
1985/07/27	47.10
1985/07/28	43.50
1985/07/29	45.30
1985/07/30	103.60
1985/07/31	96.40
1985/08/01	88.80
1985/08/02	66.90
1985/08/03	57.30
1985/08/04	59.40
1985/08/05	70.20
1985/08/06	100.80
1985/08/07	66.60
1985/08/08	50.40
1985/08/09	42.90
1985/08/10	49.20
1985/08/11	69.60
1985/08/12	64.80
1985/08/13	58.80
1985/08/14	49.20
1985/08/15	57.30
1985/08/16	77.20
1985/08/17	73.60
1985/08/18	74.00
1985/08/19	65.70
1985/08/20	66.60
1985/08/21	68.40
1985/08/22	61.50
1985/08/23	56.40
1985/08/24	52.20
1985/08/25	45.00
1985/08/26	42.90
1985/08/27	45.30
1985/08/28	50.10
1985/08/29	42.60
1985/08/30	37.80
1985/08/31	39.90
1985/09/01	36.30
1985/09/02	58.80
1985/09/03	80.00
1985/09/04	124.80
1985/09/05	115.60
1985/09/06	84.40
1985/09/07	60.00
1985/09/08	48.60
1985/09/09	42.60
1985/09/10	45.00
1985/09/11	45.90
1985/09/12	93.20
1985/09/13	92.80
1985/09/14	79.20
1985/09/15	90.00
1985/09/16	125.60
1985/09/17	153.50
1985/09/18	159.00
1985/09/19	140.50
1985/09/20	106.40
1985/09/21	83.60
1985/09/22	87.20
1985/09/23	82.00
1985/09/24	139.00
1985/09/25	133.50
1985/09/26	132.50
1985/09/27	108.40
1985/09/28	88.00
1985/09/29	74.00
1985/09/30	88.00
1985/10/01	86.80
1985/10/02	83.20
1985/10/03	65.40
1985/10/04	55.20
1985/10/05	46.50
1985/10/06	40.50
1985/10/07	36.30
1985/10/08	35.40
1985/10/09	32.40
1985/10/10	36.00
1985/10/11	37.20
1985/10/12	33.00
1985/10/13	29.40
1985/10/14	36.30
1985/10/15	39.30
1985/10/16	39.60
1985/10/17	446.60
1985/10/18	361.45
1985/10/19	256.45
1985/10/20	212.50
1985/10/21	173.00
1985/10/22	178.00
1985/10/23	151.50
1985/10/24	146.00
1985/10/25	117.60
1985/10/26	103.20
1985/10/27	92.00
1985/10/28	84.80
1985/10/29	82.40
1985/10/30	92.00
1985/10/31	88.00
1985/11/01	72.40
1985/11/02	63.00
1985/11/03	57.60
1985/11/04	54.00
1985/11/05	50.70
1985/11/06	47.40
1985/11/07	43.50
1985/11/08	39.90
1985/11/09	37.80
1985/11/10	36.00
1985/11/11	33.00
1985/11/12	31.50
1985/11/13	30.90
1985/11/14	152.50
1985/11/15	168.00
1985/11/16	114.00
1985/11/17	84.40
1985/11/18	69.60
1985/11/19	105.20
1985/11/20	94.00
1985/11/21	54.00
1985/11/22	50.10
1985/11/23	49.50
1985/11/24	42.00
1985/11/25	38.70
1985/11/26	36.00
1985/11/27	33.00
1985/11/28	34.20
1985/11/29	35.70
1985/11/30	32.40
1985/12/01	29.80
1985/12/02	28.20
1985/12/03	27.00
1985/12/04	26.00
1985/12/05	25.00
1985/12/06	24.40
1985/12/07	23.40
1985/12/08	22.80
1985/12/09	22.00
1985/12/10	21.40
1985/12/11	20.60
1985/12/12	19.80
1985/12/13	19.20
1985/12/14	18.40
1985/12/15	18.00
1985/12/16	17.20
1985/12/17	16.60
1985/12/18	16.00
1985/12/19	15.80
1985/12/20	15.40
1985/12/21	15.00
1985/12/22	14.40
1985/12/23	14.20
1985/12/24	13.40
1985/12/25	13.00
1985/12/26	12.60
1985/12/27	12.40
1985/12/28	12.00
1985/12/29	11.80
1985/12/30	11.60
1985/12/31	11.40
#===========================================
# Number of observations = 365 / 365
# Average = 36.08