1985/01/01	3.80
1985/01/02	3.70
1985/01/03	3.70
1985/01/04	3.60
1985/01/05	3.60
1985/01/06	3.60
1985/01/07	3.70
1985/01/08	3.70
1985/01/09	3.70
1985/01/10	3.60
1985/01/11	3.50
1985/01/12	3.50
1985/01/13	3.40
1985/01/14	3.40
1985/01/15	3.50
1985/01/16	3.50
1985/01/17	3.60
1985/01/18	3.60
1985/01/19	3.60
1985/01/20	3.60
1985/01/21	3.30
1985/01/22	3.10
1985/01/23	3.30
1985/01/24	3.40
1985/01/25	3.40
1985/01/26	3.30
1985/01/27	3.30
1985/01/28	3.10
1985/01/29	3.10
1985/01/30	2.90
1985/01/31	2.80
1985/02/01	2.80
1985/02/02	2.70
1985/02/03	2.60
1985/02/04	2.70
1985/02/05	2.80
1985/02/06	2.80
1985/02/07	2.90
1985/02/08	2.90
1985/02/09	2.90
1985/02/10	2.60
1985/02/11	2.40
1985/02/12	2.30
1985/02/13	2.40
1985/02/14	2.40
1985/02/15	2.30
1985/02/16	2.20
1985/02/17	2.20
1985/02/18	2.10
1985/02/19	2.10
1985/02/20	2.10
1985/02/21	2.10
1985/02/22	2.10
1985/02/23	2.10
1985/02/24	2.10
1985/02/25	1.90
1985/02/26	1.80
1985/02/27	1.80
1985/02/28	1.80
1985/03/01	1.60
1985/03/02	1.50
1985/03/03	1.40
1985/03/04	1.40
1985/03/05	1.50
1985/03/06	1.60
1985/03/07	1.60
1985/03/08	1.70
1985/03/09	1.70
1985/03/10	1.70
1985/03/11	1.30
1985/03/12	1.50
1985/03/13	1.50
1985/03/14	1.50
1985/03/15	1.50
1985/03/16	1.50
1985/03/17	1.50
1985/03/18	1.50
1985/03/19	1.60
1985/03/20	1.70
1985/03/21	1.70
1985/03/22	1.70
1985/03/23	1.70
1985/03/24	1.70
1985/03/25	1.50
1985/03/26	1.30
1985/03/27	1.40
1985/03/28	1.50
1985/03/29	1.40
1985/03/30	1.30
1985/03/31	1.30
1985/04/01	1.82
1985/04/02	1.12
1985/04/03	4.00
1985/04/04	6.32
1985/04/05	4.75
1985/04/06	4.15
1985/04/07	2.95
1985/04/08	1.82
1985/04/09	1.68
1985/04/10	1.54
1985/04/11	1.26
1985/04/12	1.26
1985/04/13	1.26
1985/04/14	1.12
1985/04/15	0.84
1985/04/16	0.70
1985/04/17	0.84
1985/04/18	1.26
1985/04/19	1.26
1985/04/20	1.12
1985/04/21	0.70
1985/04/22	0.84
1985/04/23	1.40
1985/04/24	1.82
1985/04/25	3.40
1985/04/26	3.55
1985/04/27	3.25
1985/04/28	2.95
1985/04/29	3.70
1985/04/30	4.00
1985/05/01	3.25
1985/05/02	3.55
1985/05/03	6.32
1985/05/04	7.03
1985/05/05	5.80
1985/05/06	4.30
1985/05/07	3.70
1985/05/08	3.10
1985/05/09	2.66
1985/05/10	2.38
1985/05/11	2.24
1985/05/12	2.10
1985/05/13	2.38
1985/05/14	2.24
1985/05/15	2.10
1985/05/16	2.10
1985/05/17	2.10
1985/05/18	2.10
1985/05/19	2.10
1985/05/20	1.82
1985/05/21	1.82
1985/05/22	1.82
1985/05/23	1.82
1985/05/24	2.10
1985/05/25	2.80
1985/05/26	2.95
1985/05/27	2.66
1985/05/28	3.40
1985/05/29	15.68
1985/05/30	28.80
1985/05/31	20.32
1985/06/01	15.21
1985/06/02	15.45
1985/06/03	38.52
1985/06/04	56.96
1985/06/05	46.44
1985/06/06	38.16
1985/06/07	36.00
1985/06/08	22.66
1985/06/09	18.03
1985/06/10	14.98
1985/06/11	13.37
1985/06/12	12.08
1985/06/13	10.79
1985/06/14	9.93
1985/06/15	9.11
1985/06/16	8.52
1985/06/17	7.94
1985/06/18	7.94
1985/06/19	7.37
1985/06/20	7.20
1985/06/21	7.03
1985/06/22	7.03
1985/06/23	11.01
1985/06/24	10.79
1985/06/25	9.50
1985/06/26	8.72
1985/06/27	8.14
1985/06/28	7.37
1985/06/29	7.03
1985/06/30	6.50
1985/07/01	6.15
1985/07/02	5.97
1985/07/03	5.80
1985/07/04	5.65
1985/07/05	5.50
1985/07/06	5.50
1985/07/07	5.50
1985/07/08	5.65
1985/07/09	5.50
1985/07/10	5.50
1985/07/11	5.35
1985/07/12	5.35
1985/07/13	5.35
1985/07/14	5.97
1985/07/15	7.37
1985/07/16	7.74
1985/07/17	13.80
1985/07/18	17.80
1985/07/19	20.06
1985/07/20	23.70
1985/07/21	20.58
1985/07/22	15.92
1985/07/23	13.59
1985/07/24	12.94
1985/07/25	12.08
1985/07/26	11.43
1985/07/27	11.43
1985/07/28	10.14
1985/07/29	9.50
1985/07/30	9.31
1985/07/31	9.31
1985/08/01	9.11
1985/08/02	9.31
1985/08/03	9.50
1985/08/04	10.36
1985/08/05	10.58
1985/08/06	10.58
1985/08/07	10.36
1985/08/08	9.72
1985/08/09	9.50
1985/08/10	8.91
1985/08/11	8.72
1985/08/12	8.52
1985/08/13	7.74
1985/08/14	7.55
1985/08/15	7.55
1985/08/16	7.55
1985/08/17	7.37
1985/08/18	7.20
1985/08/19	7.03
1985/08/20	7.20
1985/08/21	7.55
1985/08/22	7.03
1985/08/23	6.68
1985/08/24	6.68
1985/08/25	6.85
1985/08/26	7.74
1985/08/27	7.74
1985/08/28	7.74
1985/08/29	7.94
1985/08/30	7.37
1985/08/31	6.85
1985/09/01	6.68
1985/09/02	7.37
1985/09/03	7.37
1985/09/04	7.94
1985/09/05	9.11
1985/09/06	10.36
1985/09/07	10.58
1985/09/08	10.14
1985/09/09	10.14
1985/09/10	10.79
1985/09/11	15.68
1985/09/12	21.62
1985/09/13	22.14
1985/09/14	19.80
1985/09/15	24.30
1985/09/16	42.84
1985/09/17	22.92
1985/09/18	71.02
1985/09/19	115.10
1985/09/20	141.60
1985/09/21	105.28
1985/09/22	72.40
1985/09/23	59.98
1985/09/24	54.11
1985/09/25	44.28
1985/09/26	39.96
1985/09/27	36.00
1985/09/28	33.80
1985/09/29	41.40
1985/09/30	65.04
1985/10/01	67.80
1985/10/02	59.52
1985/10/03	70.10
1985/10/04	71.48
1985/10/05	65.96
1985/10/06	74.70
1985/10/07	94.70
1985/10/08	81.00
1985/10/09	52.94
1985/10/10	38.88
1985/10/11	32.53
1985/10/12	28.50
1985/10/13	25.80
1985/10/14	23.44
1985/10/15	24.30
1985/10/16	24.30
1985/10/17	24.90
1985/10/18	46.08
1985/10/19	70.10
1985/10/20	81.50
1985/10/21	89.75
1985/10/22	166.80
1985/10/23	167.48
1985/10/24	187.80
1985/10/25	231.45
1985/10/26	216.01
1985/10/27	179.99
1985/10/28	134.45
1985/10/29	89.75
1985/10/30	71.02
1985/10/31	64.58
1985/11/01	63.20
1985/11/02	64.58
1985/11/03	59.06
1985/11/04	56.55
1985/11/05	54.11
1985/11/06	46.80
1985/11/07	44.64
1985/11/08	43.56
1985/11/09	40.68
1985/11/10	34.42
1985/11/11	32.22
1985/11/12	31.28
1985/11/13	30.64
1985/11/14	35.69
1985/11/15	95.80
1985/11/16	159.34
1985/11/17	171.56
1985/11/18	203.35
1985/11/19	190.76
1985/11/20	172.24
1985/11/21	240.02
1985/11/22	236.90
1985/11/23	184.96
1985/11/24	174.31
1985/11/25	162.04
1985/11/26	128.68
1985/11/27	110.97
1985/11/28	99.12
1985/11/29	75.16
1985/11/30	66.88
1985/12/01	58.60
1985/12/02	65.04
1985/12/03	63.20
1985/12/04	57.78
1985/12/05	51.38
1985/12/06	45.72
1985/12/07	43.56
1985/12/08	41.76
1985/12/09	39.60
1985/12/10	38.52
1985/12/11	37.08
1985/12/12	34.42
1985/12/13	31.91
1985/12/14	29.10
1985/12/15	26.70
1985/12/16	24.90
1985/12/17	23.44
1985/12/18	22.40
1985/12/19	21.88
1985/12/20	22.66
1985/12/21	22.40
1985/12/22	20.84
1985/12/23	19.54
1985/12/24	20.06
1985/12/25	20.32
1985/12/26	20.06
1985/12/27	18.26
1985/12/28	16.38
1985/12/29	14.98
1985/12/30	14.04
1985/12/31	12.73
#===========================================
# Number of observations = 365 / 365
# Average = 25.64