1988/01/01	1.32
1988/01/02	1.30
1988/01/03	1.28
1988/01/04	1.26
1988/01/05	1.26
1988/01/06	1.24
1988/01/07	1.24
1988/01/08	1.22
1988/01/09	1.20
1988/01/10	1.18
1988/01/11	1.16
1988/01/12	1.16
1988/01/13	1.16
1988/01/14	1.14
1988/01/15	1.12
1988/01/16	1.08
1988/01/17	1.10
1988/01/18	1.08
1988/01/19	1.08
1988/01/20	1.08
1988/01/21	1.06
1988/01/22	1.06
1988/01/23	1.06
1988/01/24	1.06
1988/01/25	1.04
1988/01/26	1.04
1988/01/27	1.04
1988/01/28	1.02
1988/01/29	1.02
1988/01/30	1.00
1988/01/31	1.00
1988/02/01	0.96
1988/02/02	0.96
1988/02/03	0.96
1988/02/04	0.96
1988/02/05	0.96
1988/02/06	0.94
1988/02/07	0.94
1988/02/08	0.94
1988/02/09	0.94
1988/02/10	0.94
1988/02/11	0.98
1988/02/12	0.98
1988/02/13	0.96
1988/02/14	0.96
1988/02/15	0.94
1988/02/16	0.96
1988/02/17	0.96
1988/02/18	0.96
1988/02/19	0.96
1988/02/20	0.96
1988/02/21	0.96
1988/02/22	0.96
1988/02/23	0.96
1988/02/24	0.96
1988/02/25	0.88
1988/02/26	0.90
1988/02/27	0.90
1988/02/28	0.88
1988/02/29	0.88
1988/03/01	0.86
1988/03/02	0.82
1988/03/03	0.78
1988/03/04	0.78
1988/03/05	0.78
1988/03/06	0.78
1988/03/07	0.78
1988/03/08	0.76
1988/03/09	0.76
1988/03/10	0.76
1988/03/11	0.74
1988/03/12	0.74
1988/03/13	0.68
1988/03/14	0.68
1988/03/15	0.66
1988/03/16	0.64
1988/03/17	0.58
1988/03/18	0.58
1988/03/19	0.58
1988/03/20	0.58
1988/03/21	0.60
1988/03/22	0.62
1988/03/23	0.64
1988/03/24	0.64
1988/03/25	0.64
1988/03/26	0.62
1988/03/27	0.62
1988/03/28	0.60
1988/03/29	0.60
1988/03/30	0.60
1988/03/31	0.58
1988/04/01	0.52
1988/04/02	0.55
1988/04/03	0.52
1988/04/04	0.55
1988/04/05	0.52
1988/04/06	0.55
1988/04/07	1.24
1988/04/08	0.73
1988/04/09	0.55
1988/04/10	0.52
1988/04/11	0.52
1988/04/12	0.46
1988/04/13	0.46
1988/04/14	0.55
1988/04/15	2.10
1988/04/16	3.26
1988/04/17	2.85
1988/04/18	1.42
1988/04/19	1.06
1988/04/20	0.79
1988/04/21	1.12
1988/04/22	0.94
1988/04/23	0.76
1988/04/24	0.73
1988/04/25	0.70
1988/04/26	0.82
1988/04/27	1.63
1988/04/28	1.00
1988/04/29	0.64
1988/04/30	32.65
1988/05/01	8.80
1988/05/02	47.17
1988/05/03	28.99
1988/05/04	6.90
1988/05/05	10.00
1988/05/06	32.07
1988/05/07	11.50
1988/05/08	3.71
1988/05/09	33.68
1988/05/10	28.11
1988/05/11	46.76
1988/05/12	33.68
1988/05/13	25.03
1988/05/14	16.37
1988/05/15	31.33
1988/05/16	53.50
1988/05/17	36.86
1988/05/18	35.41
1988/05/19	15.35
1988/05/20	9.20
1988/05/21	6.80
1988/05/22	5.10
1988/05/23	3.99
1988/05/24	19.75
1988/05/25	54.00
1988/05/26	12.00
1988/05/27	5.46
1988/05/28	5.46
1988/05/29	4.47
1988/05/30	4.06
1988/05/31	4.29
1988/06/01	6.30
1988/06/02	5.55
1988/06/03	10.30
1988/06/04	4.74
1988/06/05	12.20
1988/06/06	27.08
1988/06/07	8.90
1988/06/08	26.20
1988/06/09	22.83
1988/06/10	11.30
1988/06/11	6.40
1988/06/12	7.50
1988/06/13	12.80
1988/06/14	30.75
1988/06/15	9.50
1988/06/16	6.50
1988/06/17	5.55
1988/06/18	4.65
1988/06/19	4.13
1988/06/20	3.57
1988/06/21	3.38
1988/06/22	3.02
1988/06/23	2.85
1988/06/24	2.75
1988/06/25	6.80
1988/06/26	2.96
1988/06/27	22.68
1988/06/28	19.01
1988/06/29	6.20
1988/06/30	3.26
1988/07/01	3.44
1988/07/02	2.90
1988/07/03	3.32
1988/07/04	3.14
1988/07/05	9.60
1988/07/06	7.00
1988/07/07	3.99
1988/07/08	3.26
1988/07/09	2.75
1988/07/10	2.50
1988/07/11	2.40
1988/07/12	2.45
1988/07/13	2.70
1988/07/14	4.56
1988/07/15	4.92
1988/07/16	4.83
1988/07/17	10.90
1988/07/18	5.10
1988/07/19	3.64
1988/07/20	3.08
1988/07/21	2.65
1988/07/22	2.50
1988/07/23	2.50
1988/07/24	2.35
1988/07/25	3.44
1988/07/26	22.24
1988/07/27	4.38
1988/07/28	4.20
1988/07/29	3.50
1988/07/30	2.96
1988/07/31	2.70
1988/08/01	2.40
1988/08/02	2.25
1988/08/03	5.19
1988/08/04	5.01
1988/08/05	11.60
1988/08/06	6.00
1988/08/07	3.92
1988/08/08	3.38
1988/08/09	4.38
1988/08/10	5.82
1988/08/11	6.20
1988/08/12	5.64
1988/08/13	14.32
1988/08/14	12.70
1988/08/15	7.60
1988/08/16	5.91
1988/08/17	4.65
1988/08/18	4.38
1988/08/19	5.37
1988/08/20	5.19
1988/08/21	5.19
1988/08/22	5.19
1988/08/23	20.33
1988/08/24	14.32
1988/08/25	8.80
1988/08/26	9.70
1988/08/27	11.30
1988/08/28	9.20
1988/08/29	9.00
1988/08/30	5.10
1988/08/31	5.73
1988/09/01	8.70
1988/09/02	8.70
1988/09/03	4.38
1988/09/04	3.57
1988/09/05	3.26
1988/09/06	3.08
1988/09/07	3.08
1988/09/08	3.02
1988/09/09	22.68
1988/09/10	21.80
1988/09/11	11.50
1988/09/12	18.72
1988/09/13	17.84
1988/09/14	10.60
1988/09/15	12.50
1988/09/16	8.00
1988/09/17	10.10
1988/09/18	25.17
1988/09/19	59.75
1988/09/20	77.40
1988/09/21	43.87
1988/09/22	27.08
1988/09/23	10.00
1988/09/24	8.10
1988/09/25	6.90
1988/09/26	6.00
1988/09/27	5.64
1988/09/28	13.00
1988/09/29	8.50
1988/09/30	6.70
1988/10/01	6.20
1988/10/02	6.00
1988/10/03	6.00
1988/10/04	6.30
1988/10/05	19.31
1988/10/06	9.50
1988/10/07	6.60
1988/10/08	5.46
1988/10/09	7.70
1988/10/10	9.00
1988/10/11	7.10
1988/10/12	12.80
1988/10/13	26.93
1988/10/14	33.53
1988/10/15	18.43
1988/10/16	9.80
1988/10/17	10.10
1988/10/18	10.90
1988/10/19	109.00
1988/10/20	195.12
1988/10/21	86.95
1988/10/22	21.36
1988/10/23	15.64
1988/10/24	17.25
1988/10/25	13.59
1988/10/26	30.01
1988/10/27	58.50
1988/10/28	38.92
1988/10/29	36.86
1988/10/30	11.80
1988/10/31	10.10
1988/11/01	9.10
1988/11/02	8.70
1988/11/03	8.40
1988/11/04	7.70
1988/11/05	7.20
1988/11/06	6.70
1988/11/07	6.60
1988/11/08	6.70
1988/11/09	6.80
1988/11/10	6.10
1988/11/11	6.00
1988/11/12	5.55
1988/11/13	5.37
1988/11/14	5.10
1988/11/15	4.65
1988/11/16	4.56
1988/11/17	4.56
1988/11/18	4.56
1988/11/19	4.20
1988/11/20	3.99
1988/11/21	3.92
1988/11/22	3.85
1988/11/23	3.78
1988/11/24	3.71
1988/11/25	3.57
1988/11/26	3.57
1988/11/27	3.50
1988/11/28	3.38
1988/11/29	3.38
1988/11/30	3.32
1988/12/01	3.20
1988/12/02	3.14
1988/12/03	3.14
1988/12/04	3.08
1988/12/05	3.02
1988/12/06	3.02
1988/12/07	3.02
1988/12/08	2.96
1988/12/09	2.90
1988/12/10	2.90
1988/12/11	2.75
1988/12/12	2.70
1988/12/13	2.65
1988/12/14	2.60
1988/12/15	2.60
1988/12/16	2.60
1988/12/17	2.60
1988/12/18	2.55
1988/12/19	2.55
1988/12/20	2.55
1988/12/21	2.50
1988/12/22	2.50
1988/12/23	2.50
1988/12/24	2.40
1988/12/25	2.40
1988/12/26	2.35
1988/12/27	2.30
1988/12/28	2.20
1988/12/29	2.20
1988/12/30	2.20
1988/12/31	2.15
#===========================================
# Number of observations = 366 / 366
# Average = 8.24