1988/01/01	2.76
1988/01/02	2.76
1988/01/03	2.76
1988/01/04	2.63
1988/01/05	2.63
1988/01/06	2.63
1988/01/07	2.63
1988/01/08	2.50
1988/01/09	2.50
1988/01/10	2.39
1988/01/11	2.39
1988/01/12	2.39
1988/01/13	2.39
1988/01/14	2.39
1988/01/15	2.28
1988/01/16	2.28
1988/01/17	2.28
1988/01/18	2.28
1988/01/19	2.28
1988/01/20	2.28
1988/01/21	2.28
1988/01/22	2.28
1988/01/23	2.28
1988/01/24	2.28
1988/01/25	2.28
1988/01/26	2.06
1988/01/27	2.06
1988/01/28	1.95
1988/01/29	1.95
1988/01/30	1.95
1988/01/31	1.95
1988/02/01	1.95
1988/02/02	1.95
1988/02/03	1.84
1988/02/04	1.84
1988/02/05	1.84
1988/02/06	1.84
1988/02/07	1.84
1988/02/08	1.84
1988/02/09	1.84
1988/02/10	1.84
1988/02/11	1.73
1988/02/12	1.73
1988/02/13	1.73
1988/02/14	1.73
1988/02/15	1.73
1988/02/16	1.73
1988/02/17	1.73
1988/02/18	1.95
1988/02/19	2.63
1988/02/20	2.28
1988/02/21	1.95
1988/02/22	1.84
1988/02/23	1.73
1988/02/24	1.73
1988/02/25	1.62
1988/02/26	1.62
1988/02/27	1.62
1988/02/28	1.62
1988/02/29	1.51
1988/03/01	1.51
1988/03/02	1.51
1988/03/03	1.51
1988/03/04	1.40
1988/03/05	1.40
1988/03/06	1.40
1988/03/07	1.34
1988/03/08	1.51
1988/03/09	1.51
1988/03/10	1.40
1988/03/11	1.40
1988/03/12	1.34
1988/03/13	1.34
1988/03/14	1.28
1988/03/15	1.28
1988/03/16	1.28
1988/03/17	1.28
1988/03/18	1.22
1988/03/19	1.22
1988/03/20	1.22
1988/03/21	1.22
1988/03/22	1.22
1988/03/23	1.16
1988/03/24	1.16
1988/03/25	1.16
1988/03/26	1.16
1988/03/27	1.22
1988/03/28	1.22
1988/03/29	1.22
1988/03/30	1.22
1988/03/31	1.22
1988/04/01	0.92
1988/04/02	0.92
1988/04/03	0.92
1988/04/04	0.92
1988/04/05	0.85
1988/04/06	0.92
1988/04/07	0.92
1988/04/08	0.92
1988/04/09	0.92
1988/04/10	1.06
1988/04/11	0.99
1988/04/12	0.92
1988/04/13	1.06
1988/04/14	0.99
1988/04/15	0.99
1988/04/16	0.99
1988/04/17	1.13
1988/04/18	1.13
1988/04/19	1.80
1988/04/20	1.70
1988/04/21	1.20
1988/04/22	1.13
1988/04/23	1.06
1988/04/24	1.06
1988/04/25	0.92
1988/04/26	0.99
1988/04/27	0.99
1988/04/28	1.06
1988/04/29	1.20
1988/04/30	1.20
1988/05/01	1.60
1988/05/02	2.00
1988/05/03	1.60
1988/05/04	1.20
1988/05/05	1.50
1988/05/06	1.50
1988/05/07	1.60
1988/05/08	2.95
1988/05/09	4.45
1988/05/10	13.96
1988/05/11	6.40
1988/05/12	5.20
1988/05/13	8.52
1988/05/14	6.60
1988/05/15	8.08
1988/05/16	7.42
1988/05/17	4.75
1988/05/18	4.15
1988/05/19	3.40
1988/05/20	3.10
1988/05/21	17.56
1988/05/22	8.52
1988/05/23	4.60
1988/05/24	4.00
1988/05/25	3.55
1988/05/26	2.95
1988/05/27	2.80
1988/05/28	3.25
1988/05/29	2.35
1988/05/30	2.10
1988/05/31	2.35
1988/06/01	3.40
1988/06/02	2.65
1988/06/03	7.00
1988/06/04	3.85
1988/06/05	3.40
1988/06/06	4.60
1988/06/07	15.40
1988/06/08	12.04
1988/06/09	8.52
1988/06/10	6.60
1988/06/11	4.60
1988/06/12	4.15
1988/06/13	3.55
1988/06/14	3.25
1988/06/15	2.95
1988/06/16	2.65
1988/06/17	2.35
1988/06/18	2.20
1988/06/19	2.10
1988/06/20	2.10
1988/06/21	2.50
1988/06/22	2.50
1988/06/23	2.00
1988/06/24	1.90
1988/06/25	1.80
1988/06/26	1.80
1988/06/27	1.70
1988/06/28	1.70
1988/06/29	1.80
1988/06/30	1.80
1988/07/01	1.90
1988/07/02	1.90
1988/07/03	3.10
1988/07/04	7.00
1988/07/05	7.00
1988/07/06	9.64
1988/07/07	9.40
1988/07/08	5.60
1988/07/09	4.15
1988/07/10	3.70
1988/07/11	4.30
1988/07/12	3.55
1988/07/13	5.40
1988/07/14	14.44
1988/07/15	11.08
1988/07/16	11.32
1988/07/17	10.36
1988/07/18	8.08
1988/07/19	7.00
1988/07/20	5.60
1988/07/21	9.88
1988/07/22	7.42
1988/07/23	5.60
1988/07/24	4.75
1988/07/25	6.00
1988/07/26	5.80
1988/07/27	4.45
1988/07/28	4.30
1988/07/29	3.40
1988/07/30	3.25
1988/07/31	3.55
1988/08/01	4.45
1988/08/02	3.85
1988/08/03	3.85
1988/08/04	3.55
1988/08/05	3.10
1988/08/06	2.65
1988/08/07	2.65
1988/08/08	2.65
1988/08/09	2.65
1988/08/10	3.10
1988/08/11	2.95
1988/08/12	2.65
1988/08/13	2.35
1988/08/14	2.20
1988/08/15	2.10
1988/08/16	2.35
1988/08/17	2.35
1988/08/18	7.00
1988/08/19	8.96
1988/08/20	8.52
1988/08/21	6.40
1988/08/22	5.20
1988/08/23	6.40
1988/08/24	4.90
1988/08/25	4.90
1988/08/26	8.74
1988/08/27	11.56
1988/08/28	11.32
1988/08/29	15.64
1988/08/30	13.72
1988/08/31	11.80
1988/09/01	10.60
1988/09/02	8.96
1988/09/03	8.08
1988/09/04	7.20
1988/09/05	6.40
1988/09/06	7.00
1988/09/07	6.60
1988/09/08	12.52
1988/09/09	9.18
1988/09/10	8.08
1988/09/11	6.60
1988/09/12	6.40
1988/09/13	9.18
1988/09/14	12.04
1988/09/15	11.80
1988/09/16	15.64
1988/09/17	58.00
1988/09/18	83.50
1988/09/19	564.60
1988/09/20	295.70
1988/09/21	101.70
1988/09/22	57.00
1988/09/23	37.40
1988/09/24	38.50
1988/09/25	34.10
1988/09/26	29.00
1988/09/27	26.00
1988/09/28	24.00
1988/09/29	20.00
1988/09/30	37.90
1988/10/01	31.20
1988/10/02	25.80
1988/10/03	25.80
1988/10/04	23.00
1988/10/05	21.00
1988/10/06	19.40
1988/10/07	18.28
1988/10/08	18.04
1988/10/09	18.28
1988/10/10	18.52
1988/10/11	18.76
1988/10/12	17.56
1988/10/13	25.00
1988/10/14	36.50
1988/10/15	71.20
1988/10/16	48.10
1988/10/17	91.00
1988/10/18	327.20
1988/10/19	194.00
1988/10/20	77.20
1988/10/21	111.40
1988/10/22	58.00
1988/10/23	61.60
1988/10/24	59.20
1988/10/25	54.40
1988/10/26	52.60
1988/10/27	44.50
1988/10/28	38.60
1988/10/29	33.70
1988/10/30	30.60
1988/10/31	28.20
1988/11/01	25.40
1988/11/02	22.20
1988/11/03	23.40
1988/11/04	19.00
1988/11/05	16.84
1988/11/06	15.40
1988/11/07	14.44
1988/11/08	13.48
1988/11/09	13.00
1988/11/10	12.28
1988/11/11	11.32
1988/11/12	10.60
1988/11/13	9.88
1988/11/14	9.40
1988/11/15	8.96
1988/11/16	8.74
1988/11/17	9.40
1988/11/18	10.36
1988/11/19	10.36
1988/11/20	8.96
1988/11/21	7.86
1988/11/22	7.20
1988/11/23	6.60
1988/11/24	6.20
1988/11/25	6.00
1988/11/26	5.80
1988/11/27	5.40
1988/11/28	6.60
1988/11/29	5.20
1988/11/30	5.05
1988/12/01	4.90
1988/12/02	4.75
1988/12/03	4.75
1988/12/04	4.60
1988/12/05	4.45
1988/12/06	4.30
1988/12/07	4.30
1988/12/08	4.30
1988/12/09	4.30
1988/12/10	4.15
1988/12/11	4.15
1988/12/12	4.00
1988/12/13	3.85
1988/12/14	3.70
1988/12/15	3.70
1988/12/16	3.70
1988/12/17	4.15
1988/12/18	4.00
1988/12/19	4.00
1988/12/20	3.85
1988/12/21	3.85
1988/12/22	3.85
1988/12/23	3.85
1988/12/24	3.70
1988/12/25	3.55
1988/12/26	3.55
1988/12/27	3.40
1988/12/28	3.40
1988/12/29	3.25
1988/12/30	3.25
1988/12/31	3.25
#===========================================
# Number of observations = 366 / 366
# Average = 12.40